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Last updated: August 18, 2026

Examiner: DAVIS, SHENG HAN

Tech Center 2800 • Art Units: 1726 1732 1736 1793 2881

This examiner grants 66% of resolved cases

Performance Statistics

66.2%

Allow Rate

-1.8% vs TC avg

1,146

Total Applications

+33.7%

Interview Lift

1165

Avg Prosecution Days

Based on 1089 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%

§101 Eligibility

6.8%

§102 Novelty

65.6%

§103 Obviousness

20.2%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18616675	ELECTRICALLY HEATED CATALYST DEVICE	Non-Final OA	TOYOTA JIDOSHA KABUSHIKI KAISHA
18413452	EXHAUST GAS PURIFYING CATALYST	Non-Final OA	TOYOTA JIDOSHA KABUSHIKI KAISHA
18684358	NANODIAMOND AQUEOUS DISPERSION	Non-Final OA	DAICEL CORPORATION
18550378	PROCESS FOR MAKING PARTICULATE OXYHYDROXIDE OR OXIDES	Non-Final OA	BASF SE
17912868	ZEOLITIC MATERIAL HAVING A FRAMEWORK STRUCTURE COMPRISING SI, O, AND TI	Non-Final OA	BASF SE
17783004	PROCESS FOR PREPARING A MOLDING COMPRISING A ZEOLITE CATALYST AND METHOD FOR CONVERTING OXYGENATES TO OLEFINS USING THE CATALYTIC MOLDING	Non-Final OA	BASF SE
17594006	PROCESS FOR PRECIPITATING A MIXED HYDROXIDE, AND CATHODE ACTIVE MATERIALS MADE FROM SUCH HYDROXIDE	Final Rejection	BASF SE
18102238	HYDROCARBON ADSORBENT	Final Rejection	Korea University Research and Business Foundation
18374020	Manufacturing Method and Manufacturing Apparatus of Syngas, and Manufacturing Method of Liquid Hydrocarbon Using the Same	Non-Final OA	SK Innovation Co., Ltd.
18829917	TWINNED TWO-DIMENSIONAL TELLURIUM CRYSTALS WITH CO-EXISTING OPPOSITE CHIRALITY	Non-Final OA	Purdue Research Foundation
18019969	CHA-TYPE ZEOLITE AND METHOD FOR PRODUCING THE SAME	Final Rejection	TOSOH CORPORATION
18564442	METHOD AND PLANT FOR PRODUCING AMMONIA	Non-Final OA	Linde GmbH
18565772	OXYGEN ION TRANSPORT MATERIALS AND RELATED DEVICES	Non-Final OA	Wisconsin Alumni Research Foundation
18284796	SPHERICAL INORGANIC POWDER AND LIQUID ENCAPSULATION MATERIAL	Non-Final OA	DENKA COMPANY LIMITED
18282319	SILICON DIOXIDE POWDER	Non-Final OA	DENKA COMPANY LIMITED

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