Prosecution Insights
Last updated: October 02, 2026

Examiner: YU, HONG

Tech Center 3700 • Art Units: 1612 1613 1614 1616 3774

This examiner grants 31% of resolved cases

Analysis

Hong Yu has 696 resolved cases in Art Unit 1612 within Tech Center 3700. The allowance rate is 30.9%, which indicates a challenging examination process. The median pendency is 1333 days, suggesting that cases often take over three and a half years to reach allowance. This data from 696 cases provides a clear view of the examiner's rigorous approach.

The interview lift is 5.6%, which shows a modest positive impact from conducting interviews. While the 30.9% allowance rate is low, the 5.6% lift suggests that interviews can still be a tool for resolving specific issues. With a median pendency of 1333 days, the examiner appears to maintain a consistent docket. Practitioners should be prepared for a long prosecution, using the 5.6% lift where possible to address technical disagreements that arise during the process in Tech Center 3700.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

30.9%
Allow Rate
-39.1% vs TC avg
770
Total Applications
+5.6%
Interview Lift
1333
Avg Prosecution Days
Based on 696 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
18.3%
§102 Novelty
51.6%
§103 Obviousness
16.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18549444 SUNSCREEN COMPOSITION Final Rejection DSM IP ASSETS B.V.
18481588 NAIL COMPOSITION CONTAINING DISPERSION OF ACRYLIC POLYMER PARTICLES Final Rejection L'OREAL
17826413 ADHESIVE MASCARA COMPOSITIONS Final Rejection L'ORÉAL
17770089 Film Compositions Non-Final OA Colgate-Palmolive Company
18706281 COSMETIC AND PERSONAL CARE COMPOSITIONS COMPRISING RECOMBINANT SILK Non-Final OA BOLT THREADS , INC.
18612256 Cannabinoid Self-Emulsifying Systems Final Rejection Fertin Pharma A/S
18288508 HIGH-HARDNESS LIQUID CRYSTAL COSMETIC COMPOSITION HAVING ELASTIC TEXTURE AND METHOD FOR PREPARING SAME Non-Final OA COSMAX, INC.
18011903 AN ANTIMICROBIAL COMPOSITION, PROCESS FOR PREPARING THE SAME AND METHOD OF USE THEREOF Non-Final OA ISP INVESTMENTS LLC
18443435 ANTIMICROBIAL MIXTURE Non-Final OA SYMRISE AG
15754363 A PHARMACEUTICAL COMPOSITION FOR REDUCING LOCAL FAT AND USES THEREOF Non-Final OA Caliway Biopharmaceuticals Co., Ltd.
18622971 Pharmaceutical Composition and Method for Treating or Preventing Candidiasis Final Rejection Fempharma, LLC
17560026 ELASTOMER GEL FROM EPOXIDIZED VEGETABLE OIL AND USES THEREOF Final Rejection Momentive Performance Materials Inc.

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