Prosecution Insights
Last updated: July 17, 2026
Application No. 17/753,660

COMPOSITIONS INCLUDING MOLECULES OF MODIFIED MRNA AND METHODS OF USING THE SAME

Final Rejection §103§112
Filed
Mar 10, 2022
Priority
Sep 11, 2019 — provisional 62/898,958 +1 more
Examiner
SINGH, ANOOP KUMAR
Art Unit
1632
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Icahn School of Medicine At Mount Sinai
OA Round
2 (Final)
43%
Grant Probability
Moderate
3-4
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 43% of resolved cases
43%
Career Allowance Rate
304 granted / 713 resolved
-17.4% vs TC avg
Strong +67% interview lift
Without
With
+67.3%
Interview Lift
resolved cases with interview
Typical timeline
4y 2m
Avg Prosecution
59 currently pending
Career history
779
Total Applications
across all art units

Statute-Specific Performance

§101
1.6%
-38.4% vs TC avg
§103
49.5%
+9.5% vs TC avg
§102
4.1%
-35.9% vs TC avg
§112
23.7%
-16.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 713 resolved cases

Office Action

§103 §112
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Applicant’s amendments to the claims and arguments filed on April 27, 2026 have been received and entered. Claims 1 and 9 have been amended, while claims 2-8, 10-11, 16-28, 33-38 have been canceled. Applicants’ cancellation of claims 2-8, 19-25 renders their objection moot. Claims 1, 9, 12-15, 29-32, 39 and 40 are pending in the instant application. Election/Restrictions Applicant’s election without traverse of claims 1-9, 18-26 (group I) in the reply filed on July 9, 2025 is acknowledged. Claims 12-15, 29-32, 39 and 40 remain withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on July 9, 2025. Priority This application is a 371 of PCT/US2020/050411 filed on 09/11/2020 that claims priority from US provisional application no 62/898,958 filed on 09/11/2019. Claims 1 and 9 are under consideration. Withdrawn-Claim Rejections - 35 USC § 103 Claims 1 and 9 were rejected under 35 U.S.C. 103 as being unpatentable over Patel et al (WO2016134293, dated 08/25/2016)/ Meis (US20140328825, dated 11/06/2014), Srivastava et al (WO2017/173137, 10/5/2017, Lu et al (PNAS, 2011, 15876-15880), Lopez (Mol. Cell Bio. 1992, 1674-1679) in view of Sultana et al (Molecular Therapy, 2017, 1306-1315) as evidenced by McGrath et al (J. Vis. Exp. (141), e58687, 1-13). Applicant’s amendments to the claims and arguments are found persuasive, therefore, previous rejection of claims is hereby withdrawn. Applicants’ arguments with respect to the withdrawn rejections are thereby rendered moot. Withdrawn-Claim Rejections - 35 USC § 112 Claims 1, 9, 18 and 26 were 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. Applicant’s amendment to the claims limiting the scope of the of G, M, T, H, A, dnT, and dnW in a specific molar ratio obviates the basis of the rejection. Applicants’ arguments with respect to the withdrawn rejections are thereby rendered moot. Withdrawn-Claim Rejections - 35 USC § 112 Claims 1-9, 18 and 26 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. Applicant’s amendment to the claims limiting the scope of the of G, M, T, H, A, dnT, and dnW in a specific molar ratio obviates the basis of the rejection. Applicants’ arguments with respect to the withdrawn rejections are thereby rendered moot. New-Claim Rejections - 35 USC § 112- necessitated by amendments 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 1 and 9 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. In the instant case, the recitation of limitation “..modRNA encode: GATA Binding Protein 4 (G), Myocyte Enhancer Factor 2C (M), T-box 5 (T), Heart- and neural crest derivatives-expressed protein 2 (H), ceramidase (A), dominant negative transforming growth factor beta (dnT), and- dominant negative Wingless-related integration site 8 (dnW), said molecules of modRNAs are present in said composition in a molar ratio of G:M:T:H:A:dnT:dnW of 1:1:1:2:07:0.7:0.7, respectively” (claim 1) is considered new matter. Upon further review of the instant specification, examiner could not find explicit or implicit support for a mod RNA encoding all the seven proteins (G:M:T:H:A:dnT:dnW) in the indicated molar ratio of 1:1:1:2:07:0.7:0.7. The specification further fails to teach indicated ratio of G:M:T:H:A:dnT: dnW from a single mod RNA. Thus, at the time the application was filed, an Artisan of skill would not recognize from the disclosure that Applicant was in possession of the composition, as claimed. In case if applicants have evidence to support otherwise, applicants are invited to indicate page and line number for the written support specifically for a modRNA encode: GATA Binding Protein 4 (G), Myocyte Enhancer Factor 2C (M), T-box 5 (T), Heart- and neural crest derivatives-expressed protein 2 (H), ceramidase (A), dominant negative transforming growth factor beta (dnT), and- dominant negative Wingless-related integration site 8 (dnW), said molecules of modRNAs are present in said composition in a molar ratio of of 1:1:1:2:07:0.7:0.7, as recited in claims of the instant application. MPEP 2163.06 notes “If new matter is added to the claims, the examiner should reject the claims under 35 U.S.C. 112, first paragraph-written description requirement”. In re Rasmussen, 650 F.2d 1212, 211 USPQ 323 (CCPA 1981) Claim 9 is included in the rejection because it directly depends from the rejected base claim. This is a new matter rejection. Examiner’s note: Applicant’s representative is requested to contact Examiner to resolve the pending issues to put instant application in condition for allowance and also make necessary changes for the withdrawn method claims for rejoinder. Conclusion No claims allowed. The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Ifkovits et al (PLoS One 2014, 9, e89678, 1-11) teaches TGFb inhibitor, SB431542 (SB), was identified as a small molecule capable of increasing the conversion of both mouse embryonic fibroblasts and adult cardiac fibroblasts to iCMs up to 5-fold (abstract). Hadas (Circulation, 2020, 141, 11, 916-930) teaches enhancing AC activity reduced cell death under hypoxia conditions in vitro or during MI in vivo. Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to ANOOP K. SINGH whose telephone number is (571)272-3306. The examiner can normally be reached Monday-Friday, 8AM-5PM. 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, Peter Paras can be reached at (571)272-4517. 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. /ANOOP K SINGH/ Primary Examiner, Art Unit 1632
Read full office action

Prosecution Timeline

Mar 10, 2022
Application Filed
Oct 28, 2025
Non-Final Rejection mailed — §103, §112
Dec 31, 2025
Interview Requested
Feb 18, 2026
Examiner Interview Summary
Apr 27, 2026
Response Filed
Apr 27, 2026
Response after Non-Final Action
Jun 16, 2026
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

3-4
Expected OA Rounds
43%
Grant Probability
99%
With Interview (+67.3%)
4y 2m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 713 resolved cases by this examiner. Grant probability derived from career allowance rate.

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