Prosecution Insights
Last updated: April 19, 2026

Examiner: ESTREMSKY, SHERRY LYNN

Tech Center 3600 • Art Units: 3655 3659 3681

This examiner grants 90% of resolved cases

Performance Statistics

90.3%
Allow Rate
+38.3% vs TC avg
558
Total Applications
+0.9%
Interview Lift
752
Avg Prosecution Days
Based on 545 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
36.1%
§102 Novelty
28.5%
§103 Obviousness
30.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19173175 TRANSMISSION FOR AN INTEGRAL DIFFERENTIAL, INTEGRAL DIFFERENTIAL AND DRIVE TRAIN Non-Final OA ZF Friedrichshafen AG
18682288 Drivetrain for a Vehicle, and Vehicle Non-Final OA ZF Friedrichshafen AG
18859774 ELECTRIC VEHICLE TRANSMISSION Final Rejection BorgWarner Inc.
18859748 ELECTRIC VEHICLE TRANSMISSION Final Rejection BorgWarner Inc.
18702489 FORCE TRANSMISSION SYSTEMS USING PLANETARY GEAR ASSEMBLY, AND RELATED DEVICES AND METHODS Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
19261186 DIFFERENTIAL MODULE Non-Final OA VALEO EMBRAYAGES
19179819 INTEGRATED DIFFERENTIAL LOCK SYSTEM Non-Final OA DANA ITALIA S.R.L.
19039075 SPEED REDUCER AND INDUSTRIAL MACHINE Final Rejection NABTESCO CORPORATION
19039591 PLANETARY GEARBOX SYSTEM & METHOD THEREFOR Non-Final OA Textron Innovations Inc.
18873198 DIFFERENTIAL DISCONNECT AND LOCKER ASSEMBLY Non-Final OA LINAMAR CORPORATION
18856977 SPEED REDUCER Non-Final OA NIPPON THOMPSON CO., LTD.
18838205 HIGH-DENSITY ACTUATOR WITH IN-MOTOR TRANSMISSION Final Rejection B-TEMIA INC.

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