Prosecution Insights
Last updated: April 19, 2026
Application No. 17/607,731

KITS FOR DETECTING ONE OR MORE TARGET NUCLEIC ACID ANALYTES IN A SAMPLE AND METHODS OF MAKING AND USING THE SAME

Final Rejection §101§102§DP
Filed
Oct 29, 2021
Examiner
GOLDBERG, JEANINE ANNE
Art Unit
1682
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Meso Scale Technologies LLC
OA Round
2 (Final)
46%
Grant Probability
Moderate
3-4
OA Rounds
3y 6m
To Grant
87%
With Interview

Examiner Intelligence

Grants 46% of resolved cases
46%
Career Allow Rate
372 granted / 811 resolved
-14.1% vs TC avg
Strong +41% interview lift
Without
With
+40.7%
Interview Lift
resolved cases with interview
Typical timeline
3y 6m
Avg Prosecution
67 currently pending
Career history
878
Total Applications
across all art units

Statute-Specific Performance

§101
21.5%
-18.5% vs TC avg
§103
19.8%
-20.2% vs TC avg
§102
19.3%
-20.7% vs TC avg
§112
27.2%
-12.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 811 resolved cases

Office Action

§101 §102 §DP
DETAILED CORRESPONDENCE Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . This action is in response to the papers filed December 9, 2025. Currently, claims 1, 4-12, 14-18, 41, 44, 66, 69, 154 are pending. Claims 18, 41, 44, 154 have been withdrawn as drawn to non-elected subject matter. All arguments have been thoroughly reviewed but are deemed non-persuasive for the reasons which follow. This action is made FINAL. Any objections and rejections not reiterated below are hereby withdrawn. Election/Restrictions Applicant's election of Group I, Claims 1, 4-18, 66 and 69 in the paper filed April 16, 2025 is acknowledged. Because applicant did not distinctly and specifically point out the supposed errors in the restriction requirement, the election has been treated as an election without traverse (MPEP § 818.03(a)). The requirement is still deemed proper and is therefore made FINAL. Priority This application claims priority to PNG media_image1.png 96 626 media_image1.png Greyscale Drawings The drawings are acceptable. Information Disclosure Statement It is noted that the IDS filed January 2, 2025 and January 27, 2023 contains an extremely large number of references for consideration by the Examiner. If the Applicant and/or Applicant and/or Applicant's representative are aware of any particular reference or portion of a reference in the extensive list which the examiner should pay particular attention to, it is required that it be specifically pointed out in response to this Office action. Applicant is reminded that "burying" relevant references in a lengthy IDS is discouraged. See, e.g., Molins PLC v. Textron Inc., 48 F.3d 1172, 33USPQ2d 1823, 1831 (Fed. Cir. 1995) The court concluded that, by “burying” Wagenseil in a multitude of other references, Hirsh and Smith intentionally withheld it from the PTO because this manner of disclosure was tantamount to a failure to disclose. Citing PennYan Boats, Inc. v. Sea Lark Boats, Inc., 359 F.Supp. 948, 175 USPQ 260 (S.D. Fla. 1972), aff'd, 479 F.2d 1328, 178 USPQ 577 (5th Cir.), cert.denied, 414 U.S. 874 (1973), the court stated that Hirsh's and Smith's failure to highlight Wagenseil in light of their knowledge of Whitson's actions in the foreign prosecutions violated their duty of candor to the PTO. Citing our precedent, Textron asserts that Smith's and Hirsh's conduct is “inexcusable, fraudulent, and cannot operate to cure Whitson's inequitable conduct.” See Rohm & Haas Co. v. Crystal Chem. Co., 722 F.2d 1556, 220 USPQ 289(Fed.Cir. 1983), cert. denied, 469 U.S. 851 (1984) (where intentional material misrepresentations have been made, a “cure” through voluntary efforts during prosecution must be demonstrated by clear, unequivocal, and convincing evidence). 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, 4-5, 14-17 are rejected under 35 U.S.C. 101 because the claimed invention is not directed to patent eligible subject matter. Based upon an analysis with respect to the claim as a whole, the rejected claim(s) do not recite something significantly different than a judicial exception. The rationale for this determination is explained below: Briefly, 1, 4-5, 14-17 are rejected because these claims are drawn to a nucleic acid molecule comprising 25-36 consecutive nucleotides of a nucleotide sequence from the parent capture set SEQ ID NO: 1-64. Upon search of SEQ ID NO: 6, 8 and 9, for example, it is clear at least 24 contiguous nucleotides of SEQ ID NO: 6,8 and 9 are found in naturally occurring SARS-CoV-2 nucleic acids. SEQ ID NO: 6 is found in SARS CoV-2 L strain orflab gene. PNG media_image2.png 188 1478 media_image2.png Greyscale For SEQ ID NO: 9, nucleotides 1-24 are found in SARS-CoV-2 spike variant nucleic acids. PNG media_image3.png 392 1510 media_image3.png Greyscale Claims 1, 4-5, 13-17 are directed to nucleic acid fragments from the SARS-CoV-2, i.e. known naturally occurring nucleic acids. Such isolated nucleic acid molecules, that are identical to fragments of naturally occurring nucleic acid molecules are not patent eligible subject matter, i.e. they are judicial exceptions to patentable subject matter. MPEP 2106.04(b)(II) discusses products of nature. The MPEP specifically discusses DNA, primers and probes. The isolated DNA of Myriad and the primers of Ambry Genetics were described as products of nature by the courts. Ass’n for Molecular Pathology v. Myriad Genetics, Inc., 133 S. Ct. 2107, 2116-17, 106 USPQ2d 1972, 1979 (2013); University of Utah Research Foundation v. Ambry Genetics, 774 F.3d 755, 758-59, 113 USPQ2d 1241, 1243 (Fed. Cir. 2014). The MPEP further states the “product of nature exceptions include both naturally occurring products and non-naturally occurring products that lack markedly different characteristics from any naturally occurring counterpart. See, e.g., Ambry Genetics, 774 F.3d at 760, 113 USPQ2d at 1244 ("Contrary to Myriad's argument, it makes no difference that the identified gene sequences are synthetically replicated. As the Supreme Court made clear, neither naturally occurring compositions of matter, nor synthetically created compositions that are structurally identical to the naturally occurring compositions, are patent eligible.").” The Federal Circuit in Ambry Genetics reviewed “[t]he Supreme Court held ineligible claims directed to segments as short as 15 nucleotides, the same length as the primer claims at issue here, suggesting that even short strands identical to those found in nature are not patent eligible. Compare ’492 patent col. 170 ll. 32–38, with ’282 patent col. 153 ll. 66–67.” In the instant case, the claims, embrace oligonucleotides that are identical to naturally occurring gene fragments and clearly read on nature-based products that themselves do not exhibit markedly different characteristics from the naturally occurring gene. See e.g. Myriad in which one claim at issue was drawn to “[a]n isolated DNA having at least 15 nucleotides [an isolated DNA coding for a BRCA1 polypeptide having the amino acid sequence of SEQ ID NO: 2] (Myriad at 2113). The Court recognized that this claim, if valid, would have given Myriad exclusive right to isolate any strand of 15 or more nucleotides of an individual’s BRCA1 gene (paragraph bridging 2113 and 2114). This is directly analogous to the instant situation wherein Applicant’s claims cover probe and primer molecules that are fragments of a naturally occurring SARS-CoV-2 sequence. The Court held that “[a] naturally occurring DNA segment is a product of nature and not patent eligible merely because it has been isolated”, and that “Myriad’s claims are not saved by the fact that isolating DNA from the human genome severs the chemical bonds that bind gene molecules together” (page 2118). The Court found that while Myriad had located and sequenced an important gene, Myriad had not created anything, and that “separating that gene from its surrounding genetic material is not an act of invention” (page 2118). Consistent with the findings of the Court in Myriad, the Office finds that the primers and probe molecules embraced by the instant clams are not patent eligible compositions of matter regardless of whether or not they are isolated from the genome. The Guidelines indicate that a change in biological function or activity maybe a characteristic of an isolated product that can provide a marked difference sufficient to distinguish over a naturally occurring product. However, in this case, as in the Ambry case, the function of the nucleic acids is the same function as the relevant portion of the naturally occurring sequence. Just as in nature, oligonucleotides utilize the innate ability of DNA to bind to itself. Having established that the claims include a naturally occurring product that is a judicial exception, it must now be determined whether or not the claims recite an element or combination of elements that amount to significantly more than that exception, and whether those additional elements also amount to significantly more for the other claimed exception(s), which ensures that the claim does not have a preemptive effect with respect to any of the recited exceptions. To determine whether a claim that includes a nature-based product limitation recites a “product of nature” exception, an analysis is performed in which it is first determined if a claim includes a nature-based product that has markedly different characteristics from the corresponding naturally occurring product, and if it does not, then it is determined whether or not other elements of the claim are sufficient to ensure that the claim as a whole amounts to significantly more than the exception itself (see the Interim Guidance on Patent Subject Matter Eligibility published 12/16/2014 in the Federal Register at pages 74618-74633). In order to be markedly different, the claimed product must possess at least one characteristic that is different from that of the counterpart. The fact that these natural products are organized into a kit with an intended use adds nothing to the judicial exceptions that would distinguish them from the naturally occurring material. The kit must be considered in the context of whether or not the combination can provide some way of ensuring it does not limit the public’s access to the naturally occurring material. That does not occur in this case because the naturally occurring material exists as a distinct entity within the kit, and is not integrated in terms of form or function with any other element of the kit. Therefore, the claims are properly rejected under 35 USC 101 as being drawn to patent-ineligible subject matter. Response to Arguments The response traverses the rejection. The response asserts the claims have been amended to recite that the capture oligonucleotide sequence comprises 25-36 consecutive nucleotides of a nucleotide sequence from the parent capture sets of claim 1. This argument has been considered but is not convincing because the claim is not directed to 25-36 consecutive nucleotides of SEQ ID NO: 1-64. The claim is at least 25-36 consecutive nucleotides of a nucleotide sequence of SEQ ID NO: 1-64 OR a nucleotide sequence having at least 95% identity to a nucleotide sequence from the parent capture set. This encompasses fragments of SEQ ID NO: 1-64. “a nucleotide sequence” encompasses a 10mer of SEQ ID NO: 1, for example. Applicant may wish to amend their claims to clearly remove the “a nucleotide sequence from SEQ ID NO: 1-64” so the claim does not encompass fragments of SEQ ID NO: 1-64. Thus for the reasons above and those already of record, the rejection is maintained. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale or otherwise available to the public before the effective filing date of the claimed invention. In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. Claim(s) 1, 15-17 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by NEB catalog (1998/1999), pp. 121, 284. The claims are directed to set of oligonucleotides comprising nucleotide sequence having at least 95% identity to a nucleotide sequence from the parent capture set. This encompasses fragments of SEQ ID NO: 1-64. “a nucleotide sequence” encompasses a 10mer of SEQ ID NO: 1, for example. The claim contains additional language that set for the intended use of the set. A recitation of the intended use of the claimed invention must result in a structural difference between the claimed invention and the prior art in order to patentably distinguish the claimed invention from the prior art. The NEB catalog offered for sale a random primer mix of 12mer and 24mer nucleotide primers. As the calculation below shows, about 3.2 x 108 molecules of every 12-mer and about 9 molecules of every single 24 mer are present in each tube of the 24 nucleotide mixtures. a. Molecular weight of 12-mer: 12 x 325 daltons/nucleotide = 3,900 daltons = 3,900 g/mol b. Total number of possible 12-mers: 412 = 1.6 x 107 molecules c. How many molecules of 12-mer in a vial sold by NEB: 1 A260 unit = 33 µg = 3.3 x 10-5 g 3.3 x 10-5 g / 3,900 g/mol = 8.4 x 10-9 mol (8.4 x 10-9 mol) x (6.02 x 1023 molecules/mol) = 5 x 1015 molecules d. How many molecules of each 12-mer in a single vial: 5 x1015 molecules / 1.6 x 107 molecules = 3.2 x 108 molecules of each 12-mer per vial e. Molecular weight of 24-mer: 24 x 325 daltons/nucleotide = 7,800 daltons = 7,800 g/mol f. Total number of possible 24-mers: 424 = 2.8 x 1014 molecules g. How many molecules of 24-mer in a vial sold by NEB: 1 A260 unit = 33 µg = 3.3 x 10-5 g 3.3 x 10-5 g / 7,800 g/mol = 4.2 x 10-9 mol (4.2 x 10-9 mol) x (6.02 x 1023 molecules/mol) = 2.5 x 1015 molecules h. How many molecules of each 24-mer in a single vial: 2.5 x1015 molecules / 2.8 x 1014 molecules = 9 molecules/vial The claims encompass a large genus of possible nucleic acid primers with no particular base composition or length. The NEB catalog kits will inherently and necessarily contain 24 nucleotides primers encompassed by the claimed recitation. The 24mer NEB primer kit inherently comprises nucleotide sequence having at least 95% identity to a nucleotide sequence from the parent capture set. This encompasses fragments of SEQ ID NO: 1-64. “a nucleotide sequence” encompasses a 10mer of SEQ ID NO: 1, for example. For example, since the 24mer kit comprises every 24 mer, the kit inherently comprises a nucleotide sequence from SEQ ID NO:1, for example, the first 24 nucleotides of SEQ ID NO: 1 and 2, for example. Thus, the prior art inherently teaches each and every structural limitation of the instant claim. Response to Arguments The response traverses the rejection. The response asserts the claims have been amended to require 25-36 consecutive nucleotides of a nucleotide sequence. The claim also requires a nucleotide sequence having at least 95% identity to a nucleotide sequence from the parent capture set. This encompasses fragments of SEQ ID NO: 1-64. “a nucleotide sequence” encompasses a 24mer of SEQ ID NO: 1, for example. Thus for the reasons above and those already of record, the rejection is maintained. Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 1, 4-5, 13-17, 66, 69 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 83 of copending Application No. 18/043,275 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because Claim 83 of ‘275 claims capture oligonucleotides of SE QID NO: 1-64 which are 100% identical to the instant sequences. Claim 75 further provides the support surface is a carbon-based support surface. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Response to Arguments The response traverses the rejection. The response asserts the ‘275 application has a filing date of September 2, 2021 which is later than the patent term filing date of the instant application. This argument has been considered but is not convincing because the claims are not in condition for allowance. Thus, for the reasons above and those already of record, the rejection is maintained. Conclusion No claims allowable. Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). 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 JEANINE ANNE GOLDBERG whose telephone number is (571)272-0743. The examiner can normally be reached Monday-Friday 6am-3:30pm. 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, Wu-Cheng Winston Shen can be reached on (571)272-3157. 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. /JEANINE A GOLDBERG/Primary Examiner, Art Unit 1682 March 12, 2026
Read full office action

Prosecution Timeline

Oct 29, 2021
Application Filed
Jun 06, 2025
Non-Final Rejection — §101, §102, §DP
Dec 09, 2025
Response Filed
Mar 12, 2026
Final Rejection — §101, §102, §DP (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

3-4
Expected OA Rounds
46%
Grant Probability
87%
With Interview (+40.7%)
3y 6m
Median Time to Grant
Moderate
PTA Risk
Based on 811 resolved cases by this examiner. Grant probability derived from career allow rate.

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