Prosecution Insights
Last updated: April 19, 2026

Examiner: STEFANON, JUSTIN

Tech Center 3600 • Art Units: 2834 3654

This examiner grants 51% of resolved cases

Performance Statistics

51.4%
Allow Rate
-0.6% vs TC avg
233
Total Applications
+47.7%
Interview Lift
1361
Avg Prosecution Days
Based on 183 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
38.4%
§102 Novelty
34.1%
§103 Obviousness
25.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18711821 ROTOR ARRANGEMENT FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE HAVING THE ROTOR ARRANGEMENT Non-Final OA ZF FRIEDRICHSHAFEN AG
18710755 IN-WHEEL MOTOR Non-Final OA DENSO CORPORATION
18376996 ROTOR AND ROTATING ELECTRIC MACHINE Non-Final OA DENSO CORPORATION
17878056 MOTOR, BLOWER, AND METHOD FOR MANUFACTURING MOTOR Non-Final OA NIDEC CORPORATION
18214987 COOLING STRUCTURE AND METHOD OF FABRICATING A HOUSING INCLUDING SAME Final Rejection KIA CORPORATION
18482210 MOTOR Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18282563 Rotor Shaft Assembly for an Electric Machine and Electric Machine Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18458361 GENERATOR ASSEMBLY AND METHOD FOR ATTACHING GENERATOR ASSEMBLY TO AN ENGINE Non-Final OA FCA US LLC
18620154 ROTATING ELECTRIC MACHINE SYSTEM Non-Final OA HONDA MOTOR CO., LTD.
18685123 ROTOR AND MOTOR Non-Final OA TDK Corporation
17895456 MOTOR ASSEMBLY Non-Final OA Delta Electronics, Inc.
18582868 Motor and Powertrain Non-Final OA Huawei Digital Power Technologies Co., Ltd.
18478590 MAGNET RETENTION IN EXTERIOR ROTOR ELECTRIC MACHINES Final Rejection Rolls-Royce North American Technologies, Inc.
17894943 COOLING END TURNS IN HIGH POWER DENSITY ELECTRIC GENERATORS Non-Final OA Honeywell International Inc.
18257852 STATOR LAMINATED CORE FOR ACCOMMODATING AT LEAST ONE COIL UNIT, STATOR SEGMENT, STATOR, ROTOR SEGMENT, ROTOR, GENERATOR, WIND TURBINE AND METHOD FOR PRODUCING A ROTOR SEGMENT Final Rejection Wobben Properties GmbH
18505598 INDUCTION ROTOR ASSEMBLY Final Rejection GM Global Technology Operations LLC
18042880 ELECTRIC MACHINES WITH ENHANCED ELECTROMAGNETIC INTERACTION Final Rejection NATIONAL RESEARCH COUNCIL OF CANADA
18525540 ROBOT DRIVE MODULE Non-Final OA HEXAGON ROBOTICS GMBH
18372149 HUB MOTOR Final Rejection TIEN HSIN INDUSTRIES CO., LTD.

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