Prosecution Insights
Last updated: April 19, 2026

Examiner: BOLTON, WILLIAM A

Tech Center 2800 • Art Units: 2831 2833

This examiner grants 89% of resolved cases

Performance Statistics

89.0%
Allow Rate
+21.0% vs TC avg
768
Total Applications
+5.6%
Interview Lift
732
Avg Prosecution Days
Based on 738 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
32.0%
§102 Novelty
51.7%
§103 Obviousness
11.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18287652 SWITCHING DEVICE Non-Final OA Mitsubishi Electric Corporation
18441707 ARC CHUTE FOR AN ELECTRICAL SWITCH Non-Final OA Eaton Intelligent Power Limited
18577354 ARRANGEMENT AND METHOD FOR AUTOMATICALLY CONFIGURING A MAGNETIC DRIVE Non-Final OA Siemens Aktiengesellschaft
18291394 VACUUM INTERRUPTER, ASSEMBLY COMPRISING VACUUM INTERRUPTERS, AND METHOD FOR GRADING OR CONTROLLING A VOLTAGE DISTRIBUTION AMONG VACUUM INTERRUPTERS Non-Final OA Siemens Energy Global GmbH & Co. KG
18291388 VACUUM SWITCHING UNIT AND VACUUM CIRCUIT BREAKER Non-Final OA Siemens Energy Global GmbH & Co. KG
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
18682683 BI-DIRECTIONAL DOUBLE-BREAK CONTACTOR Non-Final OA SAFRAN ELECTRICAL & POWER
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
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.
18288330 ARC EXTINGUISHING UNIT AND AIR CIRCUIT BREAKER COMPRISING SAME Final Rejection 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
18580667 BUTTON DEVICE FOR CASINO MACHINES Non-Final OA KORTEK CORPORATION
18426655 LOW-VOLTAGE SWITCH POLE Non-Final OA ABB S.p.A.
18556868 OPERATING MECHANISM AND SWITCHING DEVICE Non-Final OA Chint Low Voltage Electrical Technology Co., Ltd.
18224335 HIGH VOLTAGE DIRECT CURRENT RELAY WITH LOW POWER CONSUMPTION Final Rejection Luxshare Intelligent Manufacture Technology (Changshu) Co., Ltd

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