Prosecution Insights
Last updated: October 25, 2026
Application No. 18/762,851

PHARMACEUTICAL COMPOSITIONS FOR USE IN REDUCING HYPERPIGMENTATION

Non-Final OA §102
Filed
Jul 03, 2024
Priority
Jul 07, 2023 — provisional 63/512,421
Examiner
SHAMEEM, GOLAM M
Art Unit
1621
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Caliway Biopharmaceuticals Co. Ltd.
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allowance Rate
779 granted / 898 resolved
+26.7% vs TC avg
Strong +16% interview lift
Without
With
+15.9%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 10m
Avg Prosecution
34 currently pending
Career history
922
Total Applications
across all art units

Statute-Specific Performance

§101
2.8%
-37.2% vs TC avg
§103
5.1%
-34.9% vs TC avg
§102
18.0%
-22.0% vs TC avg
§112
23.6%
-16.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 898 resolved cases

Office Action

§102
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 . DETAILED ACTION Priority PNG media_image1.png 18 296 media_image1.png Greyscale , is acknowledged. Status of Claims Claims 1-20 are currently pending in the application. 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 1-8 are rejected under 35 U.S.C. § 102(a)(1) as being anticipated by Choi et al (2004). Applicant claims pharmaceutical compositions comprising a compound of Formula (I) for use in reducing hyperpigmentation thereof. Choi et al (2014) also disclose pharmaceutical compositions comprising an identical stilbene compound for treating hyperpigmentation, which anticipates the instantly claimed inventions, wherein R1, R2, R3, R4 and R8 are hydrogen or hydroxyl [ PNG media_image2.png 222 556 media_image2.png Greyscale , STN International, CAPLUS database, Accession Number 2004 : 970528, a copy is provided with this Office action]. Claims 1-8 are also rejected under 35 U.S.C. § 102(a)(2) as being anticipated by Zhang et al (US 10,188,590). Applicant claims pharmaceutical compositions comprising a compound of Formula (I) for use in reducing hyperpigmentation thereof. Zhang et al (US ‘590) also disclose similar skin-protection pharmaceutical compositions comprising compound and the method of uses thereof, which anticipate the instantly claimed inventions, wherein R1, R2, R3, R4 and R8 are hydrogen or hydroxyl [ PNG media_image3.png 326 262 media_image3.png Greyscale , Claim 1, column 49-50, US ‘590]. Telephone Inquiry Any inquiry concerning this communication or earlier communications from the examiner should be directed to Golam Shameem, Ph.D. whose telephone number is (571) 272-0706. The examiner can normally be reached on Monday-Thursday from 7:30 AM - 6:00 PM. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Clinton Brooks, Ph.D. can be reached at (571) 270-7682. 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://portal.uspto.gov/external/portal. Should you have questions about access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). Any inquiry of a general nature or relating to the status of this application should be directed to the Group receptionist, whose telephone number is (571) 272-1600. /GOLAM M SHAMEEM/Primary Examiner, Art Unit 1621
Read full office action

Prosecution Timeline

Jul 03, 2024
Application Filed
Aug 26, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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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
87%
Grant Probability
99%
With Interview (+15.9%)
1y 10m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 898 resolved cases by this examiner. Grant probability derived from career allowance rate.

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