Prosecution Insights
Last updated: October 02, 2026
Application No. 17/625,711

A METHOD FOR ADAPTING AN UNSTRUCTURED MESH MODEL OF A GEOLOGICAL SUBSURFACE

Final Rejection §101
Filed
Jan 07, 2022
Priority
Jul 09, 2019 — nonprovisional of PCTIB2019000863
Examiner
WECHSELBERGER, ALFRED H.
Art Unit
2187
Tech Center
2100 — Computer Architecture & Software
Assignee
TotalEnergies SE
OA Round
4 (Final)
58%
Grant Probability
Moderate
5-6
OA Rounds
0m
Est. Remaining
91%
With Interview

Examiner Intelligence

Grants 58% of resolved cases
58%
Career Allowance Rate
131 granted / 224 resolved
+3.5% vs TC avg
Strong +33% interview lift
Without
With
+32.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 8m
Avg Prosecution
25 currently pending
Career history
257
Total Applications
across all art units

Statute-Specific Performance

§101
29.9%
-10.1% vs TC avg
§103
40.7%
+0.7% vs TC avg
§102
3.8%
-36.2% vs TC avg
§112
23.3%
-16.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 224 resolved cases

Office Action

§101
DETAILED ACTION Claims 1 and 3 - 16 have been presented for examination. Claim 2 is cancelled. Claims 1 and 12 are currently amended. Claims 15 – 16 are new. This Office Action is in response to the amendments dated 04/09/2026. Response to Patentability Under 35 U.S.C. § 101 Applicant’s arguments have been fully considered. However, the Office does not consider them to be persuasive. Applicant argues: “the amended claims specifically define how the corner movement along the vector is computed in a line-based coordinate framework and is tied to specific intersections with the first reference interface, second reference interface, first target interface, and second target interface … Thus, claims 1 and 12 as a whole cover a particular mesh deformation application and a particular way of carrying out that deformation … The complexity of the models and the actions recited in amended claim 1 are not capable of being performed in the mind "based on viewing the model" as argued in the Office Action (page 3)” Examiner notes that the instant further recite mathematical detail for implemented the previously reciting “determining a … distance”. Specifically, there are recited mathematical relationships in combination with an explicitly recited mathematical formula. Accordingly, the claimed invention is directed to mathematical concepts. Applicant argues: “Just as the opening of the rubber press in Diamond v. Diehr ( 450 U.S. 175 (1981) was consequent to the calculations of cure time, the determining of gas or hydrocarbon reserves in the reservoir (in accordance with the modified model of the geological subsurface) and the recovery of gas or hydrocarbons from the reservoir is consequent to the modified modeling of the geological subsurface, as claimed” Examiner notes that the “determining gas or hydrocarbon reservoirs” is part of the abstract idea. Further, it does not in any way limit how the determining is implemented or to what extent the model is used in the determining. Therefore, Applicant’s arguments are not persuasive. Applicant argues: “Amended claim 12 likewise no longer recites only generic computer components in the abstract, but recites specific circuits configured to carry out the defined geometric deformation procedure as recited amended in claim 1. Accordingly, the claims should not be evaluated as claiming only generic data output, generic reservoir and reserves use, or generic computer implementation, apart from the claimed modified coordinates workflow.” (bolded and underlined emphasis in original) (italicized emphasis added) Examiner notes that the claimed “circuit” are wholly generic and require no more then generic computer components which ordinarily and customarily comprises one or more “circuit”. Therefore, Applicant’s arguments are not persuasive. Claim Interpretation The following is a quotation of 35 U.S.C. 112(f): (f) Element in Claim for a Combination. – An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The following is a quotation of pre-AIA 35 U.S.C. 112, sixth paragraph: An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The claims in this application are given their broadest reasonable interpretation using the plain meaning of the claim language in light of the specification as it would be understood by one of ordinary skill in the art. The broadest reasonable interpretation of a claim element (also commonly referred to as a claim limitation) is limited by the description in the specification when 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is invoked. As explained in MPEP § 2181, subsection I, claim limitations that meet the following three-prong test will be interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph: (A) the claim limitation uses the term “means” or “step” or a term used as a substitute for “means” that is a generic placeholder (also called a nonce term or a non-structural term having no specific structural meaning) for performing the claimed function; (B) the term “means” or “step” or the generic placeholder is modified by functional language, typically, but not always linked by the transition word “for” (e.g., “means for”) or another linking word or phrase, such as “configured to” or “so that”; and (C) the term “means” or “step” or the generic placeholder is not modified by sufficient structure, material, or acts for performing the claimed function. Use of the word “means” (or “step”) in a claim with functional language creates a rebuttable presumption that the claim limitation is to be treated in accordance with 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. The presumption that the claim limitation is interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is rebutted when the claim limitation recites sufficient structure, material, or acts to entirely perform the recited function. Absence of the word “means” (or “step”) in a claim creates a rebuttable presumption that the claim limitation is not to be treated in accordance with 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. The presumption that the claim limitation is not interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is rebutted when the claim limitation recites function without reciting sufficient structure, material or acts to entirely perform the recited function. Claim limitations in this application that use the word “means” (or “step”) are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, except as otherwise indicated in an Office action. Conversely, claim limitations in this application that do not use the word “means” (or “step”) are not being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, except as otherwise indicated in an Office action. This application includes one or more claim limitations that do not use the word “means,” but are nonetheless being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, because the claim limitation(s) uses a generic placeholder that is coupled with functional language without reciting sufficient structure to perform the recited function and the generic placeholder is not preceded by a structural modifier. Such claim limitation(s) is/are: “interface configured to” in claim 12. Because this/these claim limitation(s) is/are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, it/they is/are being interpreted to cover the corresponding structure described in the specification as performing the claimed function, and equivalents thereof. Looking to the disclosure, the “interface” is interpreted as comprising generic computer hardware (see the instant application Page 15, Lines 20 - 21 “This computer comprises ... an output interface 606 for providing a modified model”). If applicant does not intend to have this/these limitation(s) interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, applicant may: (1) amend the claim limitation(s) to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph (e.g., by reciting sufficient structure to perform the claimed function); or (2) present a sufficient showing that the claim limitation(s) recite(s) sufficient structure to perform the claimed function so as to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. Claim Rejections - 35 USC § 101 35 U.S.C. 101 reads as follows: Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title. Claims 1 and 3 – 16 are rejected under 35 U.S.C. 101 because the claimed invention is directed to a judicial exception (i.e., an abstract idea) without significantly more. Independent claim 1 recites at Step 1 a statutory category (i.e. a process) method for adapting an unstructured mesh model of a geological subsurface of a reservoir obtained using measurements of said geological subsurface based on on-site well data, to match said model to a target representation of the geological subsurface, said unstructured mesh model comprising a first reference interface and a second reference interface, the first reference interface being associated with a first target interface, the second reference interface being associated with a second target interface, meshes of the unstructured mesh model having corners with coordinates (x, y, z) within said model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for the corners, the method comprising: for each corner between the first reference interface and the second reference interface: determining a vector at said corner to maximize local variation oft, (u,v) being locally constant along said vector, wherein the parametric values (u, v, t) are determined based on neighboring corners for the determination of said vector; defining a current 1-D coordinate system along a line passing through said vector such that a position of any point on the line is identified, wherein: a first intersection between said line and said first reference interface has a coordinate c1 in the current 1-D coordinate system, a second intersection between said line and said second reference interface has a coordinate c2 in the current 1-D coordinate system, a third intersection between said line and said first target interface has a coordinate C3 in the current 1-D coordinate system, and a fourth intersection between said line and said second target interface has a coordinate C4 in the current 1-D coordinate system, said corner having an initial coordinate Cc in the current 1-D coordinate system; moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2); determining gas or hydrocarbon reserves in the reservoir in accordance with the modified model of the geological subsurface. At Step 2A, Prong I the recited limitations in part, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover performance of the limitations in the mind in combination with using a pen and paper (see MPEP 2106.04(a)(2)(III)). For example, the “determining” amounts to modeling actions recited at a high-level of generality since it requires no more than judgements and evaluations. The recited limitations in part, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover mathematical concepts (see MPEP 2106.04(a)(2)(I)). For example, the “defining” and “intersection” and “an initial coordinate” amounts to specific mathematical relationships. The “modifying the coordinates” explicitly recites a mathematical formula. Accordingly, the claim recites an abstract idea. At Step 2A, Prong II this judicial exception is not integrated into a practical application since the claimed invention further claims: that the method is computer-implemented; outputting a modified model of the geological subsurface of the reservoir based on the modification of the coordinates for said corner; recovering gas or hydrocarbons from the reservoir based on the determined gas or hydrocarbon reserves. The “computer-implemented” is recited at a high-level of generality such that it amounts to no more than mere application of the judicial exception using generic computer components which does not amount to an improvement in computer functionality (see MPEP 2106.04(a)(I)). The “outputting” amounts to insignificant data outputting since the manner in which it is outputted requires no more than well-understood, routine, and conventional means. The “recovering” amounts to reciting the words “apply it” since the manner in which the “determined gas or hydrocarbon reserves” are relied upon is wholly generic. The claim is directed to an abstract idea. At Step 2B the claim does not recite additional elements that, alone or in an ordered combination, are sufficient to amount to significantly more than the judicial exception. As discussed above with respect to the integration of the abstract idea into a practical application, the recited “computer-implemented” amount to no more than mere instructions to apply the judicial exception using generic computer components. Mere instructions to apply an exception using a generic computer component cannot provide an inventive concept. The “outputting” comprises well-understood, routine, and conventional means (see MPEP 2106.05(d)(II) “i. Receiving or transmitting data over a network, e.g., using the Internet to gather data,”). The “recovering” amounts to reciting the words “apply it”. Considering the additional elements in combination does not add anything more than when considering them individually since the “determining” and “outputting” requires no more than generic computer functions, and the “recovering” requires no more than ordinary equipment used in its normal capacity. For at least these reasons, the claim is not patent eligible. Dependent claim 3 – 8 recite(s) at Step 1 the same statutory category as the parent claim(s), and further recite(s): Claim 3 for each corner between the first reference interface and the second reference interface: a second modification of the coordinates of said corner as a function of current coordinates of said current corner and as a function of current coordinates of distant corners that lie within a bounding box around the current corner; Claim 4 wherein, the coordinates of the corners are expressed by a plurality of components, the second modification of the coordinates of said corner comprises includes calculating a median filter or an average of the coordinates of said current corner along at least one component of the coordinates of said distant corners along the at least one component; Claim 5 wherein the bounding box is a function of a distance from said current corner to a fault in said model; Claim 6 wherein the bounding box is a function of an anisotropic direction in said model; Claim 7 wherein the anisotropic direction is parallel to a line passing through said current corner and perpendicular to a fault in said model; Claim 8 wherein, the coordinates of the corners are expressed by a plurality of coordinate components, and the distance between a current corner and a modified current corner, along at least one coordinate component, is less than a threshold value. At Step 2A, Prong I the recited limitations, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover mathematical concepts (see MPEP 2106.04(a)(2)(I)). For example, the “current coordinate system is defined” and “coordinates of the corners are expressed by” and “anisotropic direction is parallel to” and “distance between” cover mathematical definitions. The “as a function of” and “is a function of” recite performance in combination with a mathematical equation. The “calculating” requires no more than mathematical calculations. Accordingly, the claim(s) recite(s) an abstract idea. At Step 2A, Prong II this judicial exception is not integrated into a practical application since the claimed invention does not further recite any limitations. The claim is directed to an abstract idea. At Step 2B the claim(s) do not recite additional elements that, alone or in an ordered combination, are sufficient to amount to significantly more than the judicial exception since there are no further recited limitations. For at least these reasons, the claim(s) are not patent eligible. Dependent claim 9 - 11 recite(s)at Step 1 the same statutory category as the parent claim(s), and further recite(s): Claim 9 wherein, the model includes at least one fault, the method further comprising: identifying at least one corner having a distance to the at least one fault that is less than a predetermined influence distance. At Step 2A, Prong I the recited limitations, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover performance of the limitations in the mind in combination with using a pen and paper (see MPEP 2106.04(a)(2)(III)). For example, the “model includes at least one fault” further limits the parent claim(s) abstract idea “determining” with regard to the model, and without precluding performing in the mind. Accordingly, the claim(s) recite(s) an abstract idea. At Step 2A, Prong II this judicial exception is not integrated into a practical application since the claimed invention further claims: Claim 9 modifying the coordinates of the corner having a distance to the at least one fault that is less than the predetermined influence distance, as a function of modifications determined for a plurality of points having a distance to the at least one fault that is greater than the predetermined influence distance and part of a common interface with the corner having a distance to the at least one fault that is less than the predetermined influence distance; Claim 10 wherein the modifying the coordinates of the corner having a distance to the at least one fault that is less than the predetermined influence distance includes calculating a weighted average; Claim 11 wherein the modification of modifying the coordinates of the corner having a distance to the at least one fault that is less than the predetermined influence distance includes a regression. The “modifying” amounts to reciting the words “apply it” since the manner of performing the modifications is recited at a high-level of generality as being merely a function of the various distances. The “calculating” and “includes a regression” further limits the “modifying” to include specific functions, however, the claim does not specific link the specific functions to the abstract idea (i.e. merely includes them). The claim is directed to an abstract idea. At Step 2B the claim does not recite additional elements that, alone or in an ordered combination, are sufficient to amount to significantly more than the judicial exception. As discussed above with respect to the integration of the abstract idea into a practical application, the recited “modifying” and “calculating” and “includes a regression” amounts to reciting the words “apply it” at least since it requires no more than ordinary equipment operating in their ordinary capacity. For at least these reasons, the claim is not patent eligible. Dependent claim 14 - 16 recite(s) at Step 1 the same statutory category as the parent claim(s), and further recite(s): Claim 14 further comprising implementing the method to follow stratigraphic layers of the geological subsurface; Claim 15 for any point of the mesh, computing the parametric values (u,v,t) with a weighted mean of all parametric values of said neighboring corners, wherein the weight of the weighted mean is the distance between the point and each neighboring corner; Claim 16 determining the first, second, third, and fourth intersections with an algorithm comprising a method of dual shooting and dichotomic refining. At Step 2A, Prong I the recited limitations in part, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover performance of the limitations in the mind in combination with using a pen and paper (see MPEP 2106.04(a)(2)(III)). For example, the “follow stratigraphic layers” merely further limits the model to reflect desired layers in the subsurface by following them, which does not preclude performance in the mind in combination with the parent claim “modifying”. The recited limitations in part, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover mathematical concepts (see MPEP 2106.04(a)(2)(I)). The “computing” and “a method of dual shooting and dichotomic refining” explicitly recite mathematical computations and/or algorithms. Accordingly, the claim(s) recite(s) an abstract idea. At Step 2A, Prong II this judicial exception is not integrated into a practical application since the claimed invention further claims: Claim 14 wherein the method is implemented to exploit the gas or hydrocarbon reserves in the geological subsurface. The “exploit the gas or hydrocarbon reserves” recites the idea of an outcome such that it amounts to reciting the words “apply it”. Specifically, the use of the model is not explicitly recited, and therefore covers any known implementation to exploit resources in combination with the method of claim 1. The claim is directed to an abstract idea. At Step 2B the claim does not recite additional elements that, alone or in an ordered combination, are sufficient to amount to significantly more than the judicial exception. As discussed above with respect to the integration of the abstract idea into a practical application, the recited “exploit the gas or hydrocarbon reserves” amounts to reciting the words “apply it”. For at least these reasons, the claim is not patent eligible. Independent claim 12 recites at Step 1 a statutory category (i.e. a machine) device for adapting an unstructured mesh model of a geological subsurface of a reservoir obtained using measurements of said geological subsurface based on on-site well data, to match said model to a target representation of the geological subsurface, said unstructured mesh model comprising a first reference interface and a second reference interface, the first reference interface being associated with a first target interface, the second reference interface being associated with a second target interface, meshes of the unstructured mesh model having corners with coordinates (x, y, z) within said model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for the corners, the device comprising: for each corner between the first reference interface and the second reference interface: determine a vector at said corner to maximize local variation of t, (u,v) being locally constant along said vector, wherein the parametric values (u, v, t) are determined based on neighboring corners for the determination of said vector; a circuit configured to define a current 1-D coordinate system along said vector, a position of any point on a line passing through said vector being identified in the current 1-D coordinate system; a circuit configured to determine a first intersection between said line and said first reference interface having a coordinate c1 in the current 1-D coordinate system, a circuit configured to determine a second intersection between said line and said second reference interface having a coordinate c2 in the current 1-D coordinate system, a circuit configured to determine a third intersection between said line and said first target interface having a coordinate C3 in the current 1-D coordinate system, a circuit configured to determine a fourth intersection between said line and said second target interface having a coordinate C4 in the current 1-D coordinate system, wherein said corner has an initial coordinate Cc in the current 1-D coordinate system, and move said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2); determine gas or hydrocarbon reserves in the reservoir in accordance with the modified model of the geological subsurface. At Step 2A, Prong I the recited limitations in part, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover performance of the limitations in the mind in combination with using a pen and paper (see MPEP 2106.04(a)(2)(III)). For example, the “determine” amounts to modeling actions recited at a high-level of generality since it requires no more than judgements and evaluations. The recited limitations in part, alone or in combination, amount to steps that, under its broadest reasonable interpretation, cover mathematical concepts (see MPEP 2106.04(a)(2)(I)). For example, the “define” and “intersection” and “an initial coordinate” amounts to specific mathematical relationships. The “modifying the coordinates” explicitly recites a mathematical formula. Accordingly, the claim recites an abstract idea. At Step 2A, Prong II this judicial exception is not integrated into a practical application since the claimed invention further claims: a circuit configured to perform the “determine” steps; an interface configured to output a modified model of the geological subsurface of the reservoir based on the modification of the coordinates for said corner (see Claim Interpretation); wherein gas or hydrocarbons are recovered from the reservoir based on the determined gas or hydrocarbon reserves. The “circuit” and “interface” are recited at a high-level of generality such that they amount to no more than mere application of the judicial exception using generic computer components which does not amount to an improvement in computer functionality (see MPEP 2106.04(a)(I)). The “output” amounts to insignificant data output since it is outputted at a high-level of generality (see MPEP 2106.04(d)). The “are recovered” amounts to reciting the words “apply it” since the manner in which the “determine gas or hydrocarbon reserves” are relied upon is wholly generic. The claim is directed to an abstract idea. At Step 2B the claim does not recite additional elements that, alone or in an ordered combination, are sufficient to amount to significantly more than the judicial exception. As discussed above with respect to the integration of the abstract idea into a practical application, the recited “circuit” and “interface amount to no more than mere instructions to apply the judicial exception using generic computer components. Mere instructions to apply an exception using a generic computer component cannot provide an inventive concept. Further, the recited “output” covers well-understood, routine, conventional activity since it reasonably includes using any electronic means (see MPEP 2106.05(d)(II) “i. Receiving or transmitting data over a network”). The “recovered” amounts to reciting the words “apply it”. Considering the additional elements in combination does not add anything more than when considering them individually since the “determine” and “output” requires no more than generic computer functions, and the “are recovered” requires no more than ordinary equipment used in its normal capacity. For at least these reasons, the claim is not patent eligible. Dependent claim 13 recites at Step 1 a statutory category (i.e. a manufacture) non-transitory computer-readable medium storing a computer program product to implement the method according to claim 1. As discussed in the analysis for claim 1, it recites an abstract idea. Accordingly, the claim recites an abstract idea for the same reasons as in claim 1. At Step 2A, Prong II this judicial exception is not integrated into a practical application since the claimed invention further claims: the non-transitory computer-readable medium storing a computer program product comprising instructions, which, when executed by a processor, cause the processor to implement the method. The “computer-readable medium” and “comprising instructions, which, when executed by a processor” are recited at a high-level of generality such that they amount to no more than mere application of the judicial exception using generic computer components which does not amount to an improvement in computer functionality (see MPEP 2106.04(a)(I)). The claim is directed to an abstract idea. At Step 2B the claim does not recite additional elements that, alone or in an ordered combination, are sufficient to amount to significantly more than the judicial exception. As discussed above with respect to the integration of the abstract idea into a practical application, the recited “computer-readable medium” and “comprising instructions, which, when executed by a processor” amount to no more than mere instructions to apply the judicial exception using generic computer components. Mere instructions to apply an exception using a generic computer component cannot provide an inventive concept. Considering the additional elements of claim 1 in combination does not add anything more than when considering them individually since the “determining” and “modifying” and “outputting” requires no more than generic computer functions. For at least these reasons, the claim is not patent eligible. Allowable Subject Matter The following is a statement of reasons for the indication of allowable subject matter, subject to overcoming the claim objections and 101 rejection. None of the prior art of record taken individually or in combination discloses the claim 1 (and claim 12 and 13) method “for adapting an unstructured mesh model of a geological subsurface of a reservoir obtained using measurements of said geological subsurface based on on-site well data, to match said model to a target representation of the geological subsurface, said unstructured mesh model comprising a first reference interface and a second reference interface, the first reference interface being associated with a first target interface, the second reference interface being associated with a second target interface, meshes of the unstructured mesh model having corners with coordinates (x, y, z) within said model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for the corners, the method comprising: for each corner between the first reference interface and the second reference interface; determining a vector at said corner to maximize local variation oft, (u,v) being locally constant along said vector wherein the parametric values (u, v, t) are determined based on neighboring corners for the determination of said vector”, and “moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2)”, in combination with the remaining elements and features of the claim. It is for these reasons that the applicant’s invention defines over the prior art of record. Specifically: Sword, Jr. et al. (US 2014/0136171) teaches an unstructured tetrahedral grid for modeling a subsurface reservoir. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Fung et al. (US 2012/0179436) teaches parametric information about a reservoir grid with an unstructured mesh. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Deny, et al. (US 20040246249) teaches defining cells adapted to critical surfaces of a subsurface to match observed geological domain and a parametric domain. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Laverne, T. (US 2018/0113235) teaches an unstructured mesh to conform to stratigraphy, including analysis and interpretation of sequence stratigraphy. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Maric et al. “voFoam – A geometrical Volume of Fluid algorithm on arbitrary unstructured meshes with local dynamic adaptive mesh refinement using OpenFOAM” teaches arbitrary mesh refinement to support a flow. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Forge et al. (US 2016/0180582) teaches determining a four intersections based on first and second reference interfaces and target interfaces, and then modifying coordinates for the corners based on the intersections. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Mallet et al. (US 8600708) teaches perturbing a geological model based on generated a series of equiprobable stochastic vector fields and moving nodes to w new location, and moving nodes based on the level of uncertainty, and the magnitude of a gradient is 1, and model a valid geological-time function t(x,y,z) that does not include local maximum or minimum in the studied domain. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Dulac et al. (EP 2869096) teaches forward and reverse transformations of a depositional model as uvt-transform. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Mallet, J. (EP 2778724) teaches computing paleo-geographic coordinates at each node of a given mesh using “control points” constraints on the mesh, and then determining a normal unit vector of the geological-time function t(x,y,z) using the gradient which is normal to the horizon at point (x,y,z), and then generating a pair of unit vectors (u,v), and then installing constrains on (u,v) so that equations are satisfied. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Mallet et al. (US 9052413) teaches determining a direction and magnitude of stochastic displacement of each vertex in a mesh model in a given constant direction, and then moving nodes in direction of stochastic displacement; and teaches direction of displacement vector reflects uncertainty, and generating a series of equiprobable stochastic coherent vector fields. However, does not appear to explicitly disclose meshes of an unstructured mesh model having corners with coordinates (x, y, z) within a model and with parametric values (u,v,t) within said model, t representing a stratigraphic time for corners, and moving said corner along said vector by modifying the coordinates for said corner along said vector according to a modified coordinate Cn of said corner in the current 1-D coordinate system, wherein the modified coordinate Cn is a function of Cn - Cc = C2 - C4 - (C1 - C3 - C2 + C4)(Cc - C2)/(C1 - C2). Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee. Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.” Conclusion THIS ACTION IS MADE FINAL. Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to ALFRED H. WECHSELBERGER whose telephone number is (571)272-8988. The examiner can normally be reached M - F, 10am to 6pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Emerson Puente can be reached at 571-272-3652. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /ALFRED H. WECHSELBERGER/ExaminerArt Unit 2187 /EMERSON C PUENTE/Supervisory Patent Examiner, Art Unit 2187
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Prosecution Timeline

Show 3 earlier events
Sep 15, 2025
Final Rejection mailed — §101
Dec 09, 2025
Applicant Interview (Telephonic)
Dec 11, 2025
Examiner Interview Summary
Dec 15, 2025
Request for Continued Examination
Jan 01, 2026
Response after Non-Final Action
Jan 12, 2026
Non-Final Rejection mailed — §101
Apr 09, 2026
Response Filed
Jul 30, 2026
Final Rejection mailed — §101 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

5-6
Expected OA Rounds
58%
Grant Probability
91%
With Interview (+32.9%)
3y 8m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 224 resolved cases by this examiner. Grant probability derived from career allowance rate.

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