Prosecution Insights
Last updated: July 17, 2026
Application No. 18/503,951

CHEMICAL TOOLS FOR RNA 3D STRUCTURE DETERMINATION IN VIVO

Non-Final OA §112
Filed
Nov 07, 2023
Priority
Nov 07, 2022 — provisional 63/382,650
Examiner
RILEY, JEZIA
Art Unit
1681
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Stichting Radboud Universiteit
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
1087 granted / 1309 resolved
+23.0% vs TC avg
Moderate +7% lift
Without
With
+7.1%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
24 currently pending
Career history
1329
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
39.1%
-0.9% vs TC avg
§102
24.1%
-15.9% vs TC avg
§112
12.8%
-27.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1309 resolved cases

Office Action

§112
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 . Election/Restrictions Applicant’s election without traverse of Group I (claims 1-16) ad species agent (g) in the reply filed on 05/07/2026 is acknowledged. No prior art has been found for elected species. The examination has been extended to all species. Claim Rejections - 35 USC § 112 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. Claim 13 is 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. Claim 13 recites the limitation "the purifying step" in line 1. There is insufficient antecedent basis for this limitation in the claim. Closest prior art Velema et al., Nat. Rev. Chem. 4, 22-37 (2020). Velema et al. discloses RNA crosslinking through reversible bis-acylation (see Figure 1). However, Velema et does not teach: digesting the one or more crosslinked RNA pairs with an endoribonuclease enzyme; removing nucleotides from a 3'-end of each of the first RNA strand and the second RNA strand of the one or more crosslinked RNA pairs using an exoribonuclease enzyme; ligating the first RNA strand to the second RNA strand to form one or more contiguous RNA molecules; reversing the crosslinking of the one or more contiguous RNA molecules to form bipartite RNA molecules; sequencing a cDNA library comprising cDNA sequences of each of the bipartite RNA molecules to provide a plurality of sequence reads; aligning gapped sequence reads from the plurality of sequence reads into sequence cluster alignments, wherein each of the sequence cluster alignments is aligned based on a specific pair of reference nucleotides, wherein a gap in the aligned gapped sequence reads correspond to the nucleotides removed from the 3'-end of each the first RNA strand and the second RNA strand; identifying two nucleotides at the crosslinking site based on a fixed distance from the gap of the aligned gapped sequence reads; and determining the spatial distance between the two nucleotides based on a length of the SHARC agent. Claims 1-12 and 14-16 are allowed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to JEZIA RILEY whose telephone number is (571)272-0786. The examiner can normally be reached 7:30-6:00pm. 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, Gary Benzion can be reached at 571-272-0782. 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. /JEZIA RILEY/Primary Examiner, Art Unit 1681 26 June 2026
Read full office action

Prosecution Timeline

Nov 07, 2023
Application Filed
Jul 01, 2026
Non-Final Rejection mailed — §112 (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

1-2
Expected OA Rounds
83%
Grant Probability
90%
With Interview (+7.1%)
2y 5m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1309 resolved cases by this examiner. Grant probability derived from career allowance rate.

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