Last updated: July 17, 2026

Examiner: ZHANG, YINGCHUAN

Tech Center 3700 • Art Units: 3711 3714 3715

This examiner grants 68% of resolved cases

Performance Statistics

68.5%

Allow Rate

-1.5% vs TC avg

302

Total Applications

+28.7%

Interview Lift

950

Avg Prosecution Days

Based on 298 resolved cases, 2023–2026

8.5%

§101 Eligibility

25.2%

§102 Novelty

60.5%

§103 Obviousness

3.3%

§112 Clarity

App #	Title	Status	Assignee
18827503	BASEBALL AND SOFTBALL TRAINING DEVICE FOR IMPROVED SPIN RATE AND EFFICIENCY	Non-Final OA	Travis Ficklin
18797464	TIMING BIOFEEDBACK SYSTEM THAT DETECTS START OF AN ACTION	Non-Final OA	BLAST MOTION INC.
18835467	SUPPORTING AND FASTENING SYSTEM FOR A PORTABLE DEVICE FOR PLAYING GOLF	Non-Final OA	GRAVIT PRACTICE GOLF, S.L.
18653261	HAND EQUIPMENT AND AN ENCLOSED GAME COURT FOR PLAYING A RECREATIONAL SPORTING GAME	Non-Final OA	Bammer Ideas LLC

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