Prosecution Insights
Last updated: October 02, 2026
Application No. 18/559,184

WDR5 INHIBITORS AND MODULATORS

Final Rejection §102§112§DP
Filed
Nov 06, 2023
Priority
May 06, 2021 — provisional 63/184,904 +1 more
Examiner
TRAN, ERIC
Art Unit
1629
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Vanderbilt University
OA Round
2 (Final)
71%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
94%
With Interview

Examiner Intelligence

Grants 71% — above average
71%
Career Allowance Rate
80 granted / 113 resolved
+10.8% vs TC avg
Strong +23% interview lift
Without
With
+23.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
33 currently pending
Career history
141
Total Applications
across all art units

Statute-Specific Performance

§101
2.1%
-37.9% vs TC avg
§103
31.8%
-8.2% vs TC avg
§102
16.1%
-23.9% vs TC avg
§112
32.6%
-7.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 113 resolved cases

Office Action

§102 §112 §DP
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 . Status of the Claims Per Applicant’s amendment to the claims, submitted on 06/16/2026, claims are amended, claims 32-33 are canceled, and claims 36-45 are newly added. Currently, claims 1, 3-4, 22-27, 29, and 36-45 are pending in the instant application. Claim Objections Claim 1 is objected to because of the following informalities: Typographical error. Claim 1 recites the following IUPAC name: PNG media_image1.png 58 611 media_image1.png Greyscale The recited name appears to have an extra parenthesis. The term “((S)” should read “(S)”. Appropriate correction is required. Claim Rejections - 35 USC § 112 - Withdrawn Rejections of claims 32-33: In light of Applicant’s amendment to the claims the rejections are hereby withdrawn. Claims 32-33 have been canceled. Claim Rejections - 35 USC § 102 - Withdrawn Rejections of claims 1, 2-4, 22-29: Applicant’s arguments are persuasive, the rejection is hereby withdrawn. The compound taught by Lee (previously referenced) is recited as an exclusionary proviso within claim 1. Double Patenting – New Grounds of Rejection The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 1, 3-4, 22-27, 29, and 36-45 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-22 of copending Application No. 19/718,644 (reference application), filed on 06/24/2026. Although the claims at issue are not identical, they are not patentably distinct from each other because the claims at hand are directed towards exceedingly overlapping subject matter. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. The co-pending reference application was filed on 06/24/2026, after the previous Office Action was submitted (03/17/2026). Accordingly, Double Patenting rejections over the co-pending application are proper and necessitated. Claim 1 of the instant application recites a compound of formula I: PNG media_image2.png 152 192 media_image2.png Greyscale Wherein G1 is: PNG media_image3.png 475 203 media_image3.png Greyscale PNG media_image4.png 605 225 media_image4.png Greyscale Claim 1 of the reference application recites a compound of formula (I-b): PNG media_image5.png 148 192 media_image5.png Greyscale Wherein G1 is: PNG media_image6.png 104 169 media_image6.png Greyscale As can be seen from the above claims and their recited structures, the formulas I and I-b appear to have overlap in their structural limitations. Most notably, is the limitation in claim 1 of the instant application wherein variable G1 is structure (e): PNG media_image7.png 97 196 media_image7.png Greyscale The above structure (e) falling within the limitations of G1 as recited in the reference application. As a result the there would likely be a degree of shared compounds between the indicated claims. Furthermore, newly added claims 36, and 40-42 recite the compound of claim wherein G1 is a structure of (e). Accordingly, the inventions at hand are overlapping in scope and cannot be considered as patentably distinct from one another. Allowable Subject Matter The prior art does not appear to teach or suggest the compounds of the instant claims. While the claims at hand contain allowable subject matter, they are not considered in allowable form due to the outstanding Double Patenting rejection. The closest prior art is Lee (previously referenced). Lee is a commonly owned international patent application published prior the filing date of the instant application, but after the earliest effective filing date. Lee teaches compounds as WDR5 inhibitors and uses thereof for the treatment of cancers. Of particular interest to the instant application is the following compound I-72 (page 65): PNG media_image8.png 134 235 media_image8.png Greyscale The above compound meets the specification of a compound of formula (I) , however is explicitly excluded by proviso. The teachings of Lee, while directed to compounds of similar structure and function, do not explicitly teach compounds which fall within the limitations of claim 1. While Lee may teach certain compounds which would otherwise fall within the bounds of the claim (such as the above compound I-72), they appear to be excluded by the proviso of claim 1. Conclusion Claims 1, 3-4, 22-27, 29, and 36-45 are rejected. THIS ACTION IS MADE FINAL. 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 ERIC TRAN whose telephone number is (571)272-7854. The examiner can normally be reached Mon-Fri 8:00-5:00. 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, Jeffrey S Lundgren can be reached at (571) 272-5541. 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. /ERIC TRAN/Examiner, Art Unit 1629 /JEFFREY S LUNDGREN/Supervisory Patent Examiner, Art Unit 1629
Read full office action

Prosecution Timeline

Nov 06, 2023
Application Filed
Mar 17, 2026
Non-Final Rejection mailed — §102, §112, §DP
Jun 16, 2026
Response Filed
Aug 11, 2026
Final Rejection mailed — §102, §112, §DP (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
71%
Grant Probability
94%
With Interview (+23.3%)
2y 9m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 113 resolved cases by this examiner. Grant probability derived from career allowance rate.

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