Prosecution Insights
Last updated: May 29, 2026
Application No. 17/920,000

DRUG ANTIBODY CONJUGATES

Non-Final OA §112
Filed
Oct 19, 2022
Priority
Apr 21, 2020 — EU 20382320.8 +1 more
Examiner
ROBINSON, MIKHAIL O'DONNEL
Art Unit
1627
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Pharma Mar S A
OA Round
1 (Non-Final)
57%
Grant Probability
Moderate
1-2
OA Rounds
0m
Est. Remaining
98%
With Interview

Examiner Intelligence

Grants 57% of resolved cases
57%
Career Allowance Rate
63 granted / 111 resolved
-3.2% vs TC avg
Strong +42% interview lift
Without
With
+41.6%
Interview Lift
resolved cases with interview
Typical timeline
3y 4m
Avg Prosecution
37 currently pending
Career history
156
Total Applications
across all art units

Statute-Specific Performance

§101
1.1%
-38.9% vs TC avg
§103
64.3%
+24.3% vs TC avg
§102
11.2%
-28.8% vs TC avg
§112
5.9%
-34.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 111 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 . Election/Restrictions Applicant’s election without traverse of Group I, claims 120-133, 136, 139, 145-146, 149 and 152 drawn to a pharmaceutical composition comprising a drug conjugate having a drug moiety covalently attached to the rest of the drug conjugate, the drug conjugate having formula [D-(X)b-(AA)w-(T)g-(L)-]n-Ab in the reply filed on 01/07/2026 is acknowledged. Claims 134-135, 137-138, 140-144, 147-148, 150-151 and 153-154 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected species, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 01/07/2026. Applicant has added claims 149-154. No new matter was added. The new claims that are elected or withdrawn from further consideration is reflected in the above statements. Claims 120-133, 136, 139, 145-146, 149 and 152 are is pending. Claims 120-133, 136, 139, 145-146, 149 and 152 is now evaluated on its merits. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. The following is a quotation of the first paragraph of pre-AIA 35 U.S.C. 112: The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Claims 120-126, 129-130, 132-133, 136, 139, 145-146, 149 and 152 are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, as failing to comply with the written description requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. Regarding claim 120 in which all the preceding claims depend from, recites the limitations of X and T are extending groups that may be the same or different and Ab is a moiety comprising at least one antigen binding site. The structural limitations according to the claim of X, T and Ab are relatively broad. The claim is open to administrating any extending group, in which extending group is not defined by the specification, and any moiety having an antigen binding site. Thus, one of ordinary skill in the art would not be able to ascertain which structures of X, T and Ab moiety would read to the claimed inventions as per MPEP 2163 (I): To satisfy the written description requirement, a patent specification must describe the claimed invention in sufficient detail that one skilled in the art can reasonably conclude that the inventor had possession of the claimed invention. See, e.g., Moba, B.V. v. Diamond Automation, Inc., 325 F.3d 1306, 1319, 66 USPQ2d 1429, 1438 (Fed. Cir. 2003); Vas-Cath, Inc. v. Mahurkar, 935 F.2d at 1563, 19 USPQ2d at 1116. Claims 121-126, 129-130, 132-133, 136, 139, 145-146, 149 and 152 which depends from claim 120, lacks written description as failing to structurally limit X, T and moiety Ab. Allowable Subject Matter Claims 127-128 and 131 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to MIKHAIL O'DONNEL ROBINSON whose telephone number is (571)270-0777. The examiner can normally be reached Monday-Friday 7:30am-5:30pm. 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, Kortney Klinkel can be reached at 571-270-5239. 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. MIKHAIL O'DONNEL. ROBINSON Examiner Art Unit 1627 /MIKHAIL O'DONNEL ROBINSON/Examiner, Art Unit 1627 /SARAH PIHONAK/Primary Examiner, Art Unit 1627
Read full office action

Prosecution Timeline

Oct 19, 2022
Application Filed
Jun 12, 2023
Response after Non-Final Action
Apr 02, 2026
Non-Final Rejection mailed — §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
98%
With Interview (+41.6%)
3y 4m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 111 resolved cases by this examiner. Grant probability derived from career allowance rate.

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