Prosecution Insights
Last updated: October 02, 2026

Examiner: STEFANON, JUSTIN

Tech Center 3700 • Art Units: 2834 3654 3723

This examiner grants 51% of resolved cases

Analysis

Justin Stefanon examines cases in Art Unit 2834 of Tech Center 3700. With 188 resolved cases, he has an allowance rate of 51.1% and a median days to allowance of 1182. These figures establish a clear baseline for prosecution in his docket, reflecting a moderate success rate and a standard timeline for grants. The 188 resolved cases provide a reliable data set for understanding the examination environment in Tech Center 3700.

The interview lift of 48.0% is a very strong indicator of the value of interviews. This high lift suggests that direct engagement can nearly double the chances of success compared to the 51.1% baseline, making it a primary strategy for practitioners. The 48.0% lift indicates that verbal communication is exceptionally effective in resolving issues in Art Unit 2834. Applicants should prioritize scheduling an interview to leverage this advantage and navigate the 1182 median days to allowance more successfully. The data strongly supports a proactive communication strategy with this examiner.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

51.1%
Allow Rate
-18.9% vs TC avg
242
Total Applications
+48.0%
Interview Lift
1182
Avg Prosecution Days
Based on 188 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
32.7%
§102 Novelty
40.4%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18726558 MAGNET, MOTOR INCLUDING SAME, AND WASHING MACHINE INCLUDING SAME Non-Final OA LG ELECTRONICS INC.
19007777 STATOR OF ROTATING ELECTRICAL MACHINE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18482210 MOTOR Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18547337 STATOR AND MOTOR EQUIPPED WITH SAME Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18582868 Motor and Powertrain Final Rejection Huawei Digital Power Technologies Co., Ltd.
18620154 ROTATING ELECTRIC MACHINE SYSTEM Final Rejection HONDA MOTOR CO., LTD.
18214987 COOLING STRUCTURE AND METHOD OF FABRICATING A HOUSING INCLUDING SAME Non-Final OA KIA CORPORATION
18873340 MOTOR Non-Final OA Mitsubishi Electric Corporation
19106448 STATOR AND KIT OF PARTS Non-Final OA Schaeffler Technologies AG & Co. KG
18398390 INSET MAGNET WITH EARS Final Rejection Schaeffler Technologies AG & Co. KG
18554512 STATOR OF AN ELECTRIC AXIAL FLUX MACHINE, AND AXIAL FLUX MACHINE Non-Final OA Schaeffler Technologies AG & Co. KG
18875522 INVERTER AND ELECTRIC COMPRESSOR Non-Final OA MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
18581492 VIBRATION MOTOR Final Rejection Nidec Corporation
17878056 MOTOR, BLOWER, AND METHOD FOR MANUFACTURING MOTOR Final Rejection NIDEC CORPORATION
18872284 POWER CONTROL ACTUATOR Non-Final OA SONY GROUP CORPORATION
18719193 MOTOR Final Rejection LG INNOTEK CO., LTD.
18415260 GAS BEARING FOR CENTRIFUGAL COMPRESSOR, CENTRIFUGAL COMPRESSOR AND REFRIGERATION SYSTEM Final Rejection Carrier Corporation
18273124 Vehicle Drive Motor Non-Final OA Hitachi Astemo, Ltd.
18971174 DRIVE DEVICE Non-Final OA DENSO CORPORATION
18483374 ROTARY ELECTRIC MACHINE Final Rejection DENSO CORPORATION
18376996 ROTOR AND ROTATING ELECTRIC MACHINE Final Rejection DENSO CORPORATION
17894943 COOLING END TURNS IN HIGH POWER DENSITY ELECTRIC GENERATORS Final Rejection Honeywell International Inc.
18426424 ELECTRIC MACHINE WITH COOLED ROTOR BARS Non-Final OA FCA US LLC
18458361 GENERATOR ASSEMBLY AND METHOD FOR ATTACHING GENERATOR ASSEMBLY TO AN ENGINE Final Rejection FCA US LLC
18808670 MIXED MAGNET ROTOR WITH POLYMER OVERMOLDED END RINGS Non-Final OA GM Global Technology Operations LLC
18511864 MECHANICAL RETENTION OF ROTOR MAGNETS Final Rejection Atieva, Inc.

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