Prosecution Insights
Last updated: July 17, 2026
Application No. 18/687,411

STEROIDAL COMPOUND, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Non-Final OA §102
Filed
Feb 28, 2024
Priority
Aug 31, 2021 — CN 202111013742.4 +1 more
Examiner
RAHMANI, NILOOFAR
Art Unit
1691
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Ocusun Ophthalmic Pharmaceutical (Guangzhou) Co. Ltd.
OA Round
1 (Non-Final)
78%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
74%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allowance Rate
880 granted / 1136 resolved
+17.5% vs TC avg
Minimal -3% lift
Without
With
+-3.1%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 11m
Avg Prosecution
35 currently pending
Career history
1151
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
18.8%
-21.2% vs TC avg
§102
32.5%
-7.5% vs TC avg
§112
22.7%
-17.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1136 resolved cases

Office Action

§102
DETAILED ACTION Claims 1, 3, 5-8, 10-19, 25-27 are pending in the instant application. Applicant's election with traverse of group (I) in the reply filed on 06/03/2026 is acknowledged. The applicant’s traverse is on two grounds as followed: 1. Applicant submits that claims 1, 3, 5-8, 10-19, 25-27 directed to a product, a process specially for the manufacture of the said product and a use of said product and should be considered to have unity of invention. The invention listed as Groups I-VIII relate to a single general inventive concept, they have the same or corresponding special technique features. Applicant’s argument is not persuasive for the following reasons: 1. The search is extremely burden because groups I-VIII are in different compounds and different process to make the compounds. The search for each group is extremely burdensome. 2. This case is a 371, therefore, its lack of unity is under US rules of 35 USC 121 and 372 due to this, instant application contains the following inventions or groups of inventions. The instant application is 371 and 35 USC 121. due to the reference, it is been shown to form a single general inventive concept under PCT Rule 13.1. The requirement is still deemed proper and is therefore made FINAL. Claims 1, 3, 5 are examined. Claims 6-8, 10-19, 25-27 are withdrawn per 37 CFR 1.142(b). 2. 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. Claims 1, 3, 5 are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being anticipated by Kim et al., KR 2021120285. Kim et al. discloses the instant claimed compound, which from the STN search is PNG media_image1.png 294 654 media_image1.png Greyscale , which anticipates the instant compounds. Therefore, the instant claims are anticipated by Kim et al. Claims 1, 3, 5 are rejected under 35 U.S.C. 102(a)(1) and 102(a)(2) as being anticipated by Kim et al., WO 2021194244. Kim et al. discloses the instant claimed compound, which from the STN search is PNG media_image1.png 294 654 media_image1.png Greyscale , PNG media_image2.png 280 704 media_image2.png Greyscale , which anticipates the instant compounds. Therefore, the instant claims are anticipated by Kim et al. 4. Any inquiry concerning this communication or earlier communications from the examiner should be directed to Niloofar Rahmani whose telephone number is 571-272-4329. The examiner can normally be reached on Monday through Friday from 8:30 am to 5:00 pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Renee Claytor, can be reached on 571-272-8394. The fax phone number for the organization where this application or proceeding is assigned is 703-872-9306. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). /NILOOFAR RAHMANI/ 06/10/2026
Read full office action

Prosecution Timeline

Feb 28, 2024
Application Filed
Jun 15, 2026
Non-Final Rejection mailed — §102 (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
78%
Grant Probability
74%
With Interview (-3.1%)
1y 11m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1136 resolved cases by this examiner. Grant probability derived from career allowance rate.

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