Prosecution Insights
Last updated: September 17, 2026
Application No. 18/922,397

OPHTHALMIC PREPARATION AND APPLICATION THEREOF IN TREATMENT OF PRESBYOPIA

Non-Final OA §103§112
Filed
Oct 22, 2024
Priority
Apr 22, 2022 — CN CN2022104320535 +1 more
Examiner
ACKUN, JACOB K
Art Unit
Tech Center
Assignee
Eye Hospital Of Wenzhou Medical University
OA Round
1 (Non-Final)
57%
Grant Probability
Moderate
1-2
OA Rounds
8m
Est. Remaining
60%
With Interview

Examiner Intelligence

Grants 57% of resolved cases
57%
Career Allowance Rate
734 granted / 1292 resolved
-3.2% vs TC avg
Minimal +3% lift
Without
With
+3.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
41 currently pending
Career history
1328
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
44.5%
+4.5% vs TC avg
§102
21.1%
-18.9% vs TC avg
§112
28.5%
-11.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1292 resolved cases

Office Action

§103 §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 . 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 1-20 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. The claims are indefinite because the metes and bounds of the phrase “effective amounts of...”, as used in claim 1 cannot be determined. What amounts does the applicant consider to be effective? See also claim 19 that contains a similar recitation “an effective amount of..”. The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim(s) 1-3, 13 and 18-20 is/are rejected under 35 U.S.C. 103 as being unpatentable over Chauhan et al. (2019/0269575). Chauhan discloses most of the elements of the claims, but may not specifically disclose combining rebamipide with muscarinic acetylcholine receptor M3 agonist. See for example, [0103]. On the other hand, each of the claimed compositions is known for treatment of one or more conditions of the eye. See Chauhan. Therefore, it would have been obvious to combine the rebamipide disclosed in Chauhan with the muscarinic acetylcholine receptor M3 agonist also disclosed in the reference, to provide a more effective ophthalmic treatment for a particular eye condition, or to provide a composition to advantageously treat more than one eye condition simultaneously. Claims 4-12 and 14-17 would be allowable if rewritten 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 and to include all of the limitations of the base claim and any intervening claims. Any inquiry concerning this communication or earlier communications from the examiner should be directed to JACOB K ACKUN whose telephone number is (571)272-4418. The examiner can normally be reached Monday-Thursday 11am-7pm. 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, Orlando E. Aviles can be reached at (571) 270-5531. 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. /JACOB K ACKUN/Primary Examiner, Art Unit 3736
Read full office action

Prosecution Timeline

Oct 22, 2024
Application Filed
Aug 24, 2026
Non-Final Rejection mailed — §103, §112 (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
57%
Grant Probability
60%
With Interview (+3.4%)
2y 7m (~8m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1292 resolved cases by this examiner. Grant probability derived from career allowance rate.

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