Prosecution Insights
Last updated: April 19, 2026
Application No. 18/759,253

CDK2 DEGRADERS AND USES THEREOF

Non-Final OA §112
Filed
Jun 28, 2024
Examiner
VAJDA, KRISTIN ANN
Art Unit
1622
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Kymera Therapeutics Inc.
OA Round
1 (Non-Final)
84%
Grant Probability
Favorable
1-2
OA Rounds
2y 0m
To Grant
95%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allow Rate
1331 granted / 1581 resolved
+24.2% vs TC avg
Moderate +10% lift
Without
With
+10.5%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
36 currently pending
Career history
1617
Total Applications
across all art units

Statute-Specific Performance

§101
1.1%
-38.9% vs TC avg
§103
11.2%
-28.8% vs TC avg
§102
27.6%
-12.4% vs TC avg
§112
33.6%
-6.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1581 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 . Claims 1, 6-11, 15, and 17-21 are pending in the instant application. Claims 1, 6, 15, and 17-21 are rejected. Claims 7-11 are objected. Information Disclosure Statements The information disclosure statements filed on January 17, 2025, August 8, 2025 and September 16, 2025 have been considered and a signed copies of form 1449 are enclosed herewith. Election/Restrictions Applicant’s election without traverse of Group I, claims 1, 6-11, 15, and 17-21, and the compound I-5 in the response filed on August 8, 2025 is acknowledged. Upon further search and consideration, the election of species requirement has been withdrawn (i.e., the full scope of the subject matter of claims 1, 6-11, 15, and 17-21 has been searched and examined in its entirety). The restriction requirement (between the inventions) is still deemed proper and is hereby made final. 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 1, 6, 15, and 17-21 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. Specifically, claim 1 is drawn to a compound whose structural make-up is not clear. Organic molecules can be explicitly recited by art recognized chemical names or molecular formulae. Using functional language (i.e., defining DIM as “a ligase binding moiety (LBM)” or a “lysine mimetic”) renders the scope of the claim vague and indefinite. Also, it is unclear to the examiner how a hydrogen atom can be considered a “degradation inducing moiety” and this renders the claims indefinite. Note that although the claims are interpreted in light of the specification, limitations from the specification are not read into the claims. In re Van Geuns, 988 F.2d 1181, 26 USPQ2d 1057 (Fed. Cir. 1993). Also see, In re Zletz, 13 USPQ2d 1320, 1322. “An essential purpose of patent examination is to fashion claims that are precise, clear, correct and unambiguous.” The rejection can be overcome, for example, by amending claim 1 to include the formulae for DIM disclosed in Table A (see pages 186-190 of the specification). Specifically, claim 19 refers to a table in the specification (i.e., Table 1). Claims must, under modern claim practice, stand alone to define an invention, and incorporation into claims by express reference to the specification is not permitted. Ex parte Fressola, 27 USPQ 2d 1608 (1993). This rejection can be overcome by amending claim 19 to include the structures found in the table referenced. Claim Objections Claims 7-11 are objected to for depending on a previously rejected claim. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to KRISTIN ANN VAJDA whose telephone number is (571)270-5232. The examiner can normally be reached Mon-Fri 6:00-4:00. 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, James Alstrum-Acevedo can be reached on 571-272-5548. 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. /KRISTIN A VAJDA/Primary Examiner, Art Unit 1622
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Prosecution Timeline

Jun 28, 2024
Application Filed
Nov 14, 2025
Non-Final Rejection — §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
84%
Grant Probability
95%
With Interview (+10.5%)
2y 0m
Median Time to Grant
Low
PTA Risk
Based on 1581 resolved cases by this examiner. Grant probability derived from career allow rate.

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