Prosecution Insights
Last updated: October 02, 2026

Examiner: SUBRAMANIAN, VISWANATHAN

Tech Center 3600 • Art Units: 2832 2834 3615

This examiner grants 81% of resolved cases

Analysis

Viswanathan Subramanian is an examiner in Tech Center 3600 and Art Unit 2832. The data shows 231 resolved cases for this examiner. The allowance rate is 81.0 percent, which represents the frequency of grants among those resolutions. Practitioners should consider the interview lift of 20.3 percent when developing a strategy. This lift indicates that the probability of success increases when an interview is conducted. The 20.3 percent figure is a comparison to the baseline allowance rate of 81.0 percent.

The median time to allowance is 921 days. This 921-day period is the duration from the initial filing to the final grant. Art Unit 2832 is the specific group where these 231 resolved cases were processed. Tech Center 3600 provides the broader organizational context for the examiner's work. Practitioners can use these metrics to set expectations for the length of the prosecution cycle. The data provides a basis for evaluating the impact of direct communication with the examiner during the patent application process.

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

Performance Statistics

81.0%
Allow Rate
+29.0% vs TC avg
259
Total Applications
+20.3%
Interview Lift
920
Avg Prosecution Days
Based on 231 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
28.3%
§102 Novelty
56.5%
§103 Obviousness
13.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18863044 Systems and Methods for Using Auxiliary Windings of an Electric Motor for Powering Electronic Components Non-Final OA ABB Schweiz AG
18764225 ROTATING ELECTRIC MACHINE Final Rejection KABUSHIKI KAISHA TOSHIBA
18511766 ELECTRICAL POWER GENERATOR WITH STATIONARY DIRECT CURRENT FIELD EXCITATION Non-Final OA The Boeing Company
18966054 ELECTRICALLY EXCITED MACHINE AND CONTACTLESS ARRANGEMENT FOR AN ELECTRICALLY EXCITED MACHINE Non-Final OA MAHLE International GmbH
18956389 INVERTER WITH A TEMPERATURE MEASURING SYSTEM Non-Final OA ZF Friedrichshafen AG
18940102 HOUSING SEALING STRUCTURE AND ELECTRIC DRIVE DEVICE Non-Final OA ZF Friedrichshafen AG
18836627 ELECTRIC ACTUATOR Non-Final OA NIDEC CORPORATION
18847885 Method for Producing a Rotor Bandage for a Rotor, and Rotor Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18689974 Rotor Shaft With Separate Slip Ring Module for a Rotor of an Electric Machine Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18295438 PROPULSION SYSTEM HAVING INTEGRATED ELECTRIC MOTOR AND DISCONNECT CLUTCH AND METHOD OF OPERATING SAME Non-Final OA Caterpillar Inc.
18995445 Motor Unit Non-Final OA KAWASAKI MOTORS, LTD.
18870885 DRIVE EXCITER AND ELECTRONIC DEVICE Non-Final OA Goertek Inc.
18674197 BRUSHLESS MOTOR Final Rejection DENSO CORPORATION
18614239 Case lid for a case of an electric motor, case assembly having the case lid and electric motor Non-Final OA Webasto SE
18963195 STATOR ASSEMBLY AND MOTOR Non-Final OA ZHEJIANG GEELY HOLDING GROUP CO., LTD.
18786651 COVER PLATE OF A ROTOR, ROTOR, AND METHOD FOR MOUNTING A ROTOR Non-Final OA GKN Automotive Limited
18632367 ACTUATOR Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
18944277 ELECTRIC MOTOR Non-Final OA Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
19053652 ACTUATOR Non-Final OA Minebea Mitsumi Inc.
18689159 SUPERCONDUCTING ROTATING MACHINE AND SHIP, AUTOMOBILE, AIRCRAFT, AND PUMP USING SAME Non-Final OA KYOTO UNIVERSITY

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