Last updated: May 29, 2026

Examiner: LEONG, SUSAN DANG

Tech Center 4100 • Art Units: 1700 1721 1724 1754 1756 1795 4100 4141

This examiner grants 64% of resolved cases

Performance Statistics

63.8%

Allow Rate

+3.8% vs TC avg

547

Total Applications

+39.2%

Interview Lift

1151

Avg Prosecution Days

Based on 541 resolved cases, 2023–2026

0.4%

§101 Eligibility

2.9%

§102 Novelty

75.9%

§103 Obviousness

5.6%

§112 Clarity

App #	Title	Status	Assignee
17994230	CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME	Non-Final OA	SK ON CO., LTD.
17596941	PARTICLE PRODUCTION APPARATUS AND PARTICLE PRODUCTION METHOD	Non-Final OA	RICOH COMPANY, LTD.
17923085	ENERGY STORAGE APPARATUS AND METHOD FOR MANUFACTURING ENERGY STORAGE APPARATUS	Final Rejection	GS Yuasa International Ltd.
18010275	BATTERY FIRE PREVENTION AND DIAGNOSIS SYSTEM	Final Rejection	HYOSUNG HEAVY INDUSTRIES CORPORATION

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