Prosecution Insights
Last updated: April 19, 2026
Application No. 17/637,392

COMPSTATIN ANALOGUES AND THEIR MEDICAL USES

Non-Final OA §103
Filed
Feb 22, 2022
Examiner
COFFA, SERGIO
Art Unit
1658
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Zp Spv 3 K/S
OA Round
3 (Non-Final)
61%
Grant Probability
Moderate
3-4
OA Rounds
2y 11m
To Grant
94%
With Interview

Examiner Intelligence

Grants 61% of resolved cases
61%
Career Allow Rate
436 granted / 719 resolved
+0.6% vs TC avg
Strong +34% interview lift
Without
With
+33.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
61 currently pending
Career history
780
Total Applications
across all art units

Statute-Specific Performance

§101
3.5%
-36.5% vs TC avg
§103
32.1%
-7.9% vs TC avg
§102
20.5%
-19.5% vs TC avg
§112
27.0%
-13.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 719 resolved cases

Office Action

§103
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 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 11/26/2025 has been entered. Claim Status Claims 1, 5-6, 8-9, 16-18, 21-24, 30, 33, 36-37, 40, 43-45 and 56-59 are pending. Claims 1, 5-6, 8-9, 16-18, 21-24, 30, 33, 36-37 and 40 have been amended. Claims 1, 5-6, 8-9, 16-18, 21-24, 30, 33, 36-37, 40, 43-45 and 56-59 are being examined in this application. Claim Objections Claims 5-6, 8-9, 16-18, 21-24, 30, 33, 36-37, 40, 43-45 and 56-59 are objected to because of the following informalities: Claims 5-6, 8-9, 16-18, 21-24, 30, 33, 36-37, 40 should be rewritten to recite “The compstatin analogue or pharmaceutically acceptable salt thereof according to….”. Claim 43 should be rewritten to recite “A composition comprising the compstatin analogue according to claim 1”. Claim 44 should be rewritten to recite “The composition according….”. Claim 45 should be rewritten to recite “A pharmaceutical composition comprising the compstatin analogue….”. Claims 56-59 should be rewritten to recite “The compstatin analogue or pharmaceutically acceptable salt thereof according to claim 1”. Appropriate correction is required. Claim Rejections - 35 USC § 103 The rejection of claims 1, 9, 16 and 43-45 under 35 U.S.C. 103 as being unpatentable over Katragadda et al. and Yu et al. is withdrawn in view of the amendments to the claims. Allowable Subject Matter Claim 1 is allowed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to SERGIO COFFA whose telephone number is (571)270-3022. The examiner can normally be reached M-F: 6AM-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, MELISSA FISHER can be reached at 571-270-7430. 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. /SERGIO COFFA Ph.D./ Primary Examiner Art Unit 1658 /SERGIO COFFA/Primary Examiner, Art Unit 1658
Read full office action

Prosecution Timeline

Feb 22, 2022
Application Filed
Apr 07, 2025
Non-Final Rejection — §103
Aug 11, 2025
Response Filed
Aug 25, 2025
Final Rejection — §103
Nov 26, 2025
Request for Continued Examination
Dec 01, 2025
Response after Non-Final Action
Feb 22, 2026
Non-Final Rejection — §103 (current)

Precedent Cases

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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
61%
Grant Probability
94%
With Interview (+33.6%)
2y 11m
Median Time to Grant
High
PTA Risk
Based on 719 resolved cases by this examiner. Grant probability derived from career allow rate.

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