Prosecution Insights
Last updated: April 19, 2026
Application No. 17/600,593

SEQUENCING BY SYNTHESIS WITH ENERGY TRANSFER DYE PAIRS

Non-Final OA §112
Filed
Sep 30, 2021
Examiner
RILEY, JEZIA
Art Unit
1681
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
The Trustees of Columbia University in the City of New York
OA Round
3 (Non-Final)
83%
Grant Probability
Favorable
3-4
OA Rounds
2y 8m
To Grant
90%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allow Rate
1080 granted / 1299 resolved
+23.1% vs TC avg
Moderate +7% lift
Without
With
+6.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
21 currently pending
Career history
1320
Total Applications
across all art units

Statute-Specific Performance

§101
1.2%
-38.8% vs TC avg
§103
24.3%
-15.7% vs TC avg
§102
27.6%
-12.4% vs TC avg
§112
22.0%
-18.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1299 resolved cases

Office Action

§112
DETAILED ACTION The Examiner for this application has been changed. Please address all examining related communications to Primary Examiner Jezia Riley. 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 . Continued Examination Under 37 CFR 1.114 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 12/24/2025 has been entered. Claim Objections Claims 78-80 are objected to because of the following informalities: the claims comprise chemical structures having faded bonds and atoms. Appropriate correction is required. 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. Claims 62-81 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. Claim 62 is vague and indefinite because it is unclear what are the metes and bounds for the term “to partially identify the incorporated nucleotides” in step f) as opposed to “completely identify the incorporated nucleotide analogue” in step h). Claim 66 recites the limitation "the final cleavage of cleavable linker 1" in line 3. There is insufficient antecedent basis for this limitation in the claim. Claim 71 recites the limitation "the first type of cleavable linker". There is insufficient antecedent basis for this limitation in the claim. Is "the first type of cleavable linker" the same as the “the first cleavable linker (cleavable linker 1)” of claim 65? Claim 72 recites the limitation "the first type of cleavable linker". There is insufficient antecedent basis for this limitation in the claim. Is "the first type of cleavable linker" the same as the “one type is a proximal cleavable linker (cleavable linker 1)” of claim 64? Claim 72 recites the limitation "the second type of cleavable linker". There is insufficient antecedent basis for this limitation in the claim. Is "the second type of cleavable linker" the same as “another type is a distal linker (cleavable linker 2) of claim 64? Closest prior art: The closest prior is Ju et al. WO2017/205336, published 11/30/2017 (cited in IDS filed 09/30/2021). Ju et al. discloses a method for sequencing nucleic acids wherein the method comprises sequence-by synthesis using anchor labeled nucleotide analogs or binding molecules (SS(DTM)-dNTP-SS anchors), incorporating the nucleotide analogues into primer extension product, cleaving the primer extended product after each incorporation using TCEP or THP to remove label and regenerating 3-OH on the primer extension product to allow continuous DNA sequencing (see para 0027-0031, 0113, Figures 1 and 3a-3b, for example), but does not teach or suggest step c), using adding all four fluorescently labeled unincorporable nucleotides or nucleotide analogues (A,C, T, G), wherein the fluorescent label of the fluorescently labeled unincorporable nucleotides or nucleotide analogues is an energy transfer donor or acceptor dye for the energy transfer donor or acceptor dye attached to the fluorescently labeled nucleotide analogues of step b). 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 13 March 2026
Read full office action

Prosecution Timeline

Sep 30, 2021
Application Filed
Sep 30, 2021
Response after Non-Final Action
Oct 19, 2024
Non-Final Rejection — §112
Mar 24, 2025
Response Filed
Jun 20, 2025
Final Rejection — §112
Dec 24, 2025
Request for Continued Examination
Dec 31, 2025
Response after Non-Final Action
Mar 14, 2026
Non-Final Rejection — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12601734
METHODS AND USES OF ENZYMATIC LABELING OF ADP-RIBOSE CONTAINING MOLECULES
2y 5m to grant Granted Apr 14, 2026
Patent 12577607
HIGH INTENSITY LABELED REACTANT COMPOSITIONS AND METHODS FOR SEQUENCING
2y 5m to grant Granted Mar 17, 2026
Patent 12571031
NUCLEIC ACID MODIFYING REAGENTS AND USES THEREOF
2y 5m to grant Granted Mar 10, 2026
Patent 12571033
PURIFYING AND POLYMERIZING 3'-BLOCKED NUCLEOTIDES
2y 5m to grant Granted Mar 10, 2026
Patent 12565677
SINGLE-CHANNEL SEQUENCING METHOD BASED ON SELF-LUMINESCENCE
2y 5m to grant Granted Mar 03, 2026
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
83%
Grant Probability
90%
With Interview (+6.9%)
2y 8m
Median Time to Grant
High
PTA Risk
Based on 1299 resolved cases by this examiner. Grant probability derived from career allow rate.

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