Prosecution Insights
Last updated: August 16, 2026
Application No. 17/434,672

COMPOUNDS FOR TARGETED THERAPIES OF CASTRATION RESISTANT PROSTATE CANCER

Final Rejection §102
Filed
Aug 27, 2021
Priority
Feb 28, 2019 — provisional 62/811,747 +1 more
Examiner
HEASLEY, MEGHAN CHRISTINE
Art Unit
1626
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Purdue Research Foundation
OA Round
4 (Final)
77%
Grant Probability
Favorable
5-6
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allowance Rate
98 granted / 128 resolved
+16.6% vs TC avg
Strong +35% interview lift
Without
With
+34.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
60 currently pending
Career history
166
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
33.2%
-6.8% vs TC avg
§102
19.7%
-20.3% vs TC avg
§112
28.8%
-11.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 128 resolved cases

Office Action

§102
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 . Status of the Claims Claims 1, 6-8, 14-15 and 24-27 are pending. Claims 6-8, 14, and 24-27** are withdrawn. Claims 1 and 15 are rejected. **New claims 26 and 27 do not embrace Applicant’s elected species and are therefore also withdrawn. Response to Amendments/Arguments Applicant’s 5/28/2026 amendments (particularly the changes to X, R6, R1 and R2 in claim 1) have overcome all previous rejections. Therefore, Applicant’s 5/28/2026 arguments will not be addressed. However, a new rejection is made below, as necessitated by 5/28/2026 amendments. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claim(s) 1 and 15 is/are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being anticipated by King (US20080038343). Regarding instant claims 1 and 15, King teaches the following in claims 1 and 2: a pharmaceutical composition comprising a progestogen and at least one pharmaceutically acceptable excipient or carrier, wherein the progestogen may be ethisterone. Ethisterone is drawn to the following structure: PNG media_image1.png 244 375 media_image1.png Greyscale , which is embraced by a compound of instant formula: PNG media_image2.png 162 255 media_image2.png Greyscale , wherein X = O; R1 = H; R2 = methyl; R5 and R6 = H. Conclusion Applicant’s amendments necessitated the new ground(s) of rejection presented in this Office Action. Accordingly, 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 extension fee 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 MEGHAN C HEASLEY whose telephone number is (571)270-0785. The examiner can normally be reached Monday - Friday 8:30-4:30 PM. 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, Amy Clark can be reached on 571-272-1310. 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. /MEGHAN C HEASLEY/Examiner, Art Unit 1626 /KAMAL A SAEED/Primary Examiner, Art Unit 1626
Read full office action

Prosecution Timeline

Show 1 earlier event
Nov 26, 2024
Non-Final Rejection mailed — §102
Apr 29, 2025
Response Filed
Jun 04, 2025
Final Rejection mailed — §102
Nov 04, 2025
Request for Continued Examination
Nov 05, 2025
Response after Non-Final Action
Nov 28, 2025
Non-Final Rejection mailed — §102
May 28, 2026
Response Filed
Jun 18, 2026
Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12692263
SOS1 INHIBITORS AND USES THEREOF
3y 1m to grant Granted Jul 28, 2026
Patent 12692223
PHENYL-SULFAMOYL-BENZOIC ACID DERIVATIVES AS ERAP1- MODULATORS
2y 6m to grant Granted Jul 28, 2026
Patent 12685726
Sulfoximines as inhibitors of NaV1.8
2y 7m to grant Granted Jul 21, 2026
Patent 12678428
A SYNERGISTIC COMPOSITION FOR INHIBITING VASCULAR CALCIFICATION
2y 7m to grant Granted Jul 14, 2026
Patent 12655145
P2X3 MODULATORS
3y 10m to grant Granted Jun 16, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

5-6
Expected OA Rounds
77%
Grant Probability
99%
With Interview (+34.8%)
3y 1m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 128 resolved cases by this examiner. Grant probability derived from career allowance rate.

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