Prosecution Insights
Last updated: April 19, 2026
Application No. 18/412,591

STATISTICAL RECONSTRUCTION METHOD BASED ON A CONTINUOUS-TO-CONTINUOUS DATA MODEL WITH ITERATIVE COORDINATE DESCENT OPTIMIZATION STRATEGY FOR EMISSION TOMOGRAPHY

Non-Final OA §112§DP
Filed
Jan 14, 2024
Examiner
TSAI, TSUNG YIN
Art Unit
2656
Tech Center
2600 — Communications
Assignee
Czestochowa University Of Technology
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
2y 11m
To Grant
93%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allow Rate
804 granted / 984 resolved
+19.7% vs TC avg
Moderate +11% lift
Without
With
+10.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
31 currently pending
Career history
1015
Total Applications
across all art units

Statute-Specific Performance

§101
3.6%
-36.4% vs TC avg
§103
58.5%
+18.5% vs TC avg
§102
22.8%
-17.2% vs TC avg
§112
4.3%
-35.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 984 resolved cases

Office Action

§112 §DP
DETAILED ACTION 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 . Status of claims: claim 1-2 are examined below. 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 35 U.S.C. 112 (pre-AIA ), 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 1-2 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 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. Claim 1 recited “…determined according to the relation (10), before the iterative…” It is not clear what “(10)” means or contribute in the claim language. Please amend to clarify. Claim 1 recited “…whose elements are determined according to the relation (2), before the iterative…” It is not clear what “(2)” means or contribute in the claim language. Please amend to clarify. Claim 1 recited “…whose elements are determined according to the relation (12), before the iterative…” It is not clear what “(12)” means or contribute in the claim language. Please amend to clarify. Claim 2 recited “…determined according to the relation (10), before the iterative…” It is not clear what “(10)” means or contribute in the claim language. Please amend to clarify. Claim 2 recited “…whose elements are determined according to the relation (2), before the iterative…” It is not clear what “(2)” means or contribute in the claim language. Please amend to clarify. Claim 2 recited “…whose elements are determined according to the relation (12), before the iterative…” It is not clear what “(12)” means or contribute in the claim language. Please amend to clarify. Double Patenting Note The Examiner note that previously issued patent U.S. Patent No. 9,508,164 and U.S. Patent No. 10,573,029 were analyzed for Double Patenting, However, based on the current claim scope no Double Patenting was found. Allowable Subject Matter Claim 1 would be allowable if rewritten or amended to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action. Claim 2 would be allowable if rewritten or amended to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to TSUNG-YIN TSAI whose telephone number is (571)270-1671. The examiner can normally be reached 7am-4pm. 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, Bhavesh Mehta can be reached at (571) 272-7453. 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. /TSUNG YIN TSAI/Primary Examiner, Art Unit 2656
Read full office action

Prosecution Timeline

Jan 14, 2024
Application Filed
Nov 25, 2025
Non-Final Rejection — §112, §DP (current)

Precedent Cases

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2y 5m to grant Granted Mar 03, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
82%
Grant Probability
93%
With Interview (+10.9%)
2y 11m
Median Time to Grant
Low
PTA Risk
Based on 984 resolved cases by this examiner. Grant probability derived from career allow rate.

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