Prosecution Insights
Last updated: May 29, 2026

Examiner: BOLTON, WILLIAM A

Tech Center 2800 • Art Units: 2831 2833

This examiner grants 89% of resolved cases

Performance Statistics

89.1%
Allow Rate
+21.1% vs TC avg
775
Total Applications
+5.7%
Interview Lift
666
Avg Prosecution Days
Based on 750 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
10.9%
§102 Novelty
85.0%
§103 Obviousness
1.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18585390 SOLID STATE HYBRID CIRCUIT BREAKER TOPOLOGY USING DUAL ULTRAFAST OPENING CONTACTS Non-Final OA EATON INTELLIGENT POWER LIMITED
18441707 ARC CHUTE FOR AN ELECTRICAL SWITCH Non-Final OA Eaton Intelligent Power Limited
18687184 ELECTRIC APPARATUS FOR THE GENERATION, THE TRANSMISSION AND/OR THE DISTRIBUTION OF ELECTRICAL ENERGY Non-Final OA Hitachi Energy Ltd
18577463 GAS-INSULATED HIGH OR MEDIUM VOLTAGE CIRCUIT BREAKER Non-Final OA Hitachi Energy Ltd
18291321 VACUUM INTERRUPTER AND ARRANGEMENT COMPRISING VACUUM INTERRUPTERS, AND METHOD FOR TURNING OFF VACUUM INTERRUPTERS Non-Final OA SIEMENS ENERGY GLOBAL GMBH & CO. KG
18516202 Vacuum Interrupter Non-Final OA ABB Schweiz AG
18502699 Switch for a Medium Voltage or High Voltage Switchgear Final Rejection ABB Schweiz AG
18444838 VACUUM INTERRUPTER, VACUUM CIRCUIT BREAKER, AND VACUUM CONTACTOR Non-Final OA KABUSHIKI KAISHA TOSHIBA
18455065 GAS CIRCUIT BREAKER Non-Final OA TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18291873 ARC ELIMINATION DEVICE Non-Final OA LS ELECTRIC CO., LTD.
18576954 ARC PATH FORMATION UNIT AND DIRECT CURRENT RELAY COMPRISING SAME Non-Final OA LS ELECTRIC CO., LTD.
18281727 ARC EXTINGUISHING UNIT AND AIR CIRCUIT BREAKER COMPRISING SAME Non-Final OA LS ELECTRIC CO., LTD.
18442388 EXHAUST GRID FOR AN ARC EXTINGUISHING DEVICE Non-Final OA Schneider Electric Industries SAS
18439956 FAST EARTHING SWITCH IMPLEMENTING THE COANDA EFFECT Non-Final OA General Electric Technology GmbH
18428090 SF6 FREE GAS INSULATED DISCONNECTOR WITH LIMITED ARCING VOLUME Non-Final OA General Electric Technology GmbH

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