Prosecution Insights

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Last updated: August 18, 2026

Examiner: BOLTON, WILLIAM A

Tech Center 2800 • Art Units: 2831 2833 2837

This examiner grants 89% of resolved cases

Performance Statistics

89.2%

Allow Rate

+21.2% vs TC avg

783

Total Applications

+5.8%

Interview Lift

672

Avg Prosecution Days

Based on 766 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%

§101 Eligibility

30.0%

§102 Novelty

54.9%

§103 Obviousness

10.6%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18767165	GAS CIRCUIT BREAKER	Non-Final OA	TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18729399	CONTACTOR WITH ARC GUIDES AND PROTECTION INTEGRATED INTO THE ARC GUIDES, CORRESPONDING SYSTEM AND AIRCRAFT	Non-Final OA	SAFRAN ELECTRICAL & POWER
18711266	QUENCHING CHAMBER FOR TWO-WAY DC CURRENT	Non-Final OA	SAFRAN ELECTRICAL & POWER
18691953	CONTACT CARRIER FOR A VACUUM SWITCH, VACUUM SWITCH AND PRODUCTION METHOD FOR A CONTACT CARRIER	Non-Final OA	Siemens Aktiengesellschaft
18718806	SWITCHING DEVICE	Non-Final OA	Mitsubishi Electric Corporation
18725903	SWITCHING DEVICE WITH AN ISOLATING OR EARTHING FUNCTION	Non-Final OA	Siemens Energy Global GmbH & Co. KG
18749978	ARC EXTINGUISHING SYSTEM FOR CONTACTOR AND CONTACTOR	Non-Final OA	Schneider Electric Industries SAS
18730890	FAST EARTHING SWITCH FOR INTERRUPTING NON-SHORT-CIRCUIT CURRENTS	Non-Final OA	Hitachi Energy Ltd
18677175	High voltage circuit breaker with particle trap	Non-Final OA	Hitachi Energy Ltd

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