Prosecution Insights
Last updated: October 02, 2026
Application No. 19/001,817

SYSTEMS AND METHODS FOR COMBINING FUNDUS IMAGES OF AN EYE

Non-Final OA §101
Filed
Dec 26, 2024
Priority
May 31, 2019 — nonprovisional of PCTJP2019021868 +1 more
Examiner
KRETZER, CASEY L
Art Unit
Tech Center
Assignee
NIKON Corporation
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
3m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allowance Rate
629 granted / 725 resolved
+26.8% vs TC avg
Moderate +13% lift
Without
With
+12.7%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
23 currently pending
Career history
744
Total Applications
across all art units

Statute-Specific Performance

§101
5.4%
-34.6% vs TC avg
§103
48.7%
+8.7% vs TC avg
§102
14.4%
-25.6% vs TC avg
§112
27.9%
-12.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 725 resolved cases

Office Action

§101
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 . Information Disclosure Statement The information disclosure statement(s) (IDS) submitted on 12/26/2024, 05/12/2025, and 08/04/2026 is/are being considered by the Examiner. Double Patenting A rejection based on double patenting of the “same invention” type finds its support in the language of 35 U.S.C. 101 which states that “whoever invents or discovers any new and useful process... may obtain a patent therefor...” (Emphasis added). Thus, the term “same invention,” in this context, means an invention drawn to identical subject matter. See Miller v. Eagle Mfg. Co., 151 U.S. 186 (1894); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Ockert, 245 F.2d 467, 114 USPQ 330 (CCPA 1957). A statutory type (35 U.S.C. 101) double patenting rejection can be overcome by canceling or amending the claims that are directed to the same invention so they are no longer coextensive in scope. The filing of a terminal disclaimer cannot overcome a double patenting rejection based upon 35 U.S.C. 101. Claim 11 is/are rejected under 35 U.S.C. 101 as claiming the same invention as that of claims of prior U.S. Patent No. 12,256,994. This is a statutory double patenting rejection. Regarding claim 11, claim 1 teaches the same limitations as highlighted below: Claim 11 of the present application Claim 1 of U.S. Patent No. 12,256,994 An image processing method comprising: acquiring a first direction fundus image imaged in a state in which a gaze of an examined eye is directed in a first direction, and a second direction fundus image imaged in a state in which the examined eye is directed in a second direction different from the first direction; generating a transformed image by transforming one fundus image of the first direction fundus image and the second direction fundus image; generating a combined image by combining the transformed image and the other fundus image of the first direction fundus image and the second direction fundus image; and outputting the combined image, wherein generating the transformed image comprises: respectively extracting at least four feature points on the fundus of the examined eye, from the first direction fundus image and the second direction fundus image; and generating the transformed image, in which the at least four feature points of the other fundus image are matched to the at least four feature points of the one fundus image, by projectively transforming the one fundus image, and wherein generating the combined image comprises: performing a first weighting processing in the transformed image, with respect to a first region where the transformed image and the other fundus image overlap; performing a second weighting processing in the other fundus image, with respect to a second region where the transformed image and the other fundus image overlap; and combining the transformed image and the other fundus image based on performing the first weighting processing and performing the second weighting processing. An image processing method comprising: acquiring a first direction fundus image imaged in a state in which a gaze of an examined eye is directed in a first direction, and a second direction fundus image imaged in a state in which the examined eye is directed in a second direction different from the first direction; generating a transformed image by transforming one fundus image of the first direction fundus image and the second direction fundus image; generating a combined image by combining the transformed image and the other fundus image of the first direction fundus image and the second direction fundus image; and outputting the combined image, wherein generating the transformed image comprises: respectively extracting at least four feature points on the fundus of the examined eye, from the first direction fundus image and the second direction fundus image; and generating the transformed image, in which the at least four feature points of the other fundus image are matched to the at least four feature points of the one fundus image, by projectively transforming the one fundus image, and wherein generating the combined image comprises: performing a first weighting processing in the transformed image, with respect to a first region where the transformed image and the other fundus image overlap; performing a second weighting processing in the other fundus image, with respect to a second region where the transformed image and the other fundus image overlap; and combining the transformed image and the other fundus image based on performing the first weighting processing and performing the second weighting processing. As seen above, claim 11 is identical to claim 1 of U.S. Patent No. 12,256,994. Conclusion The Examiner contacted attorney of record Pavan Agarwal on 08/03/2026 to see if preliminary amendments would be filed as the present application has one claim pending that would only have a double patenting issue. Agarwal stated that he would reach out to Applicant for such amendments; however, when the Examiner checked back on 08/21/2026, Agarwal noted that none had been presented. Any inquiry concerning this communication or earlier communications from the examiner should be directed to CASEY L KRETZER whose telephone number is (571)272-5639. The examiner can normally be reached M-F 10:00-7:00 PM Pacific Time. 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, David Payne can be reached at (571)272-3024. 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. /CASEY L KRETZER/Primary Examiner, Art Unit 2635
Read full office action

Prosecution Timeline

Dec 26, 2024
Application Filed
Aug 25, 2026
Non-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

1-2
Expected OA Rounds
87%
Grant Probability
99%
With Interview (+12.7%)
2y 0m (~3m remaining)
Median Time to Grant
Low
PTA Risk
Based on 725 resolved cases by this examiner. Grant probability derived from career allowance rate.

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