Prosecution Insights
Last updated: August 17, 2026
Application No. 18/785,418

CT IMAGE GENERATING METHOD AND IMAGE DATA RECONSTRUCTION DEVICE

Non-Final OA §112
Filed
Jul 26, 2024
Priority
Jul 26, 2023 — CN 202310929899.4
Examiner
OSIFADE, IDOWU O
Art Unit
2675
Tech Center
2600 — Communications
Assignee
GE Precision Healthcare LLC
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
94%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
562 granted / 689 resolved
+19.6% vs TC avg
Moderate +12% lift
Without
With
+12.2%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
9 currently pending
Career history
695
Total Applications
across all art units

Statute-Specific Performance

§101
11.1%
-28.9% vs TC avg
§103
66.4%
+26.4% vs TC avg
§102
8.3%
-31.7% vs TC avg
§112
13.5%
-26.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 689 resolved cases

Office Action

§112
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 . DETAILED ACTION 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. 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. Said placeholder(s) is/are: "…unit…" in at least claims 11 – 20. 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. A review of the specification to determine whether the corresponding structure, material, or acts that perform the claimed function are disclosed shows that the written description fails to link or associate the disclosed structure, material, or acts to the claimed function(s); there is no disclosure (or insufficient disclosure) of structure, material, or acts for performing the claimed function(s). If Inventor(s) (or (pre-AlA) Applicant(s)) 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, Inventor(s) (or (pre-AlA) Applicant(s)) 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. For more information, see MPEP § 2173 et seq. and Supplementary Examination Guidelines for Determining Compliance With 35 U.S.C. 112 and for Treatment of Related Issues in Patent Applications, 76 FR 7162, 7167 (Feb. 9, 2011). Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. § 112 (b): (B) CONCLUSION – The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of pre-AIA 35 U.S.C. 112, second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 11 – 20 are rejected under 35 U.S.C. 112(b) or pre-AIA 35 U.S.C. 112, second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Specifically, regarding claims 11 – 20, the use of the said non-structural generic placeholders (i.e., "…unit…") coupled with the claimed corresponding functional language invokes 35 U.S.C. § 112(f). However, when reviewed from the point of view of one skilled in the relevant art, the written description fails to clearly link or associate the corresponding structure, material, or acts to the claimed functions. Telcordia Techs., Inc. v. Cisco Systems, Inc., 612 F.3d 1365, 1376, 95 USPQ2d 1673, 1682 (Fed. Cir. 2010). In other words, there is no disclosure or there is insufficient disclosure of structure, material, or acts for performing the claimed functions. Donaldson, 16 F.3d at 1195, 29 USPQ2d at 1850. Therefore, the claim is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite. Appropriate action is required. Allowable Subject Matter Claims 1 – 10 are allowed; claims 11 – 20 are objected to as being allowable – pending a resolution to the rejection of claims 11 – 20 under 35 U.S.C. 112(b) above. The following is the Examiner’s statement of reasons for allowance: The present invention is directed to "CT IMAGE GENERATING METHOD AND IMAGE DATA RECONSTRUCTION DEVICE" Regarding independent claim 1, the Examiner found that neither the prior art cited in its entirety nor in any combination anticipates or renders obvious the claimed feature of: at least one of the plurality of slice images comprises a main region image within a scan field of view of the CT device and a truncated region image out of the scan field of view of the CT device; determining whether a particular type of substance is present in the plurality of slice images; and performing artifact removal reconstruction on at least one of the plurality of slice images in response to determining that the substance is present in a truncated region image of the plurality of slice images. Dependent claims of the allowed claim above are also allowed as a result of their dependencies to the said allowed claim. Regarding independent claim 11, the Examiner found that neither the prior art cited in its entirety nor in any combination anticipates or renders obvious the claimed feature of: at least one of the plurality of slice images comprises a main region image within a scan field of view of the CT device and a truncated region image out of the scan field of view of the CT device; and a correction unit, configured to perform artifact removal reconstruction on the original scan image, the correction unit comprising: a detection unit, configured to determine whether a particular type of substance is present in the plurality of slice images; and an artifact removal reconstruction unit, configured to perform artifact removal reconstruction on at least one of the plurality of slice images in response to determining that the substance is present in a truncated region image of the plurality of slice images. Dependent claims of the allowed claim above are also allowed as a result of their dependencies to the said allowed claim – pending a resolution to the rejection of claims 11 – 20 under 35 U.S.C. 112(b) above. Specifically, the closest prior art – Thibault; Jean-Baptiste (US-20190108441-A1, hereinafter simply referred to as Thibault), has been overcome by Applicant's teaching as cited above. ____________________________________________________________________________________ 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 Any inquiry concerning this communication or earlier communications from the examiner should be directed to IDOWU O OSIFADE whose telephone number is (571)272-0864. The Examiner can normally be reached on Monday-Friday 8:00am-5:00pm EST. 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, JOHN M. VILLECCO can be reached on (571) 272 – 7319. The fax phone number for the organization where this application or proceeding is assigned is (571) 273 – 8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /IDOWU O OSIFADE/Primary Examiner, Art Unit 2675
Read full office action

Prosecution Timeline

Jul 26, 2024
Application Filed
Jul 15, 2026
Non-Final Rejection mailed — §112 (current)

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Prosecution Projections

1-2
Expected OA Rounds
82%
Grant Probability
94%
With Interview (+12.2%)
2y 0m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 689 resolved cases by this examiner. Grant probability derived from career allowance rate.

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