Prosecution Insights
Last updated: October 27, 2026

Swarna N Chowdhuri, USPTO Patent Examiner

Listed by the USPTO as CHOWDHURI, SWARNA N

Tech Center 3600 • Art Units: 2836 3637

This examiner grants 77% of resolved cases

Analysis

CHOWDHURI, SWARNA N is assigned to Tech Center 3600 and Art Unit 2836. The record includes 364 resolved cases, a 76.6% allowance rate, and a median of 1114 days to allowance. Interview lift is 18.9%, showing a positive association between interviews and allowance outcomes.

The leading companies are Samsung Electronics Co., Ltd., Archer Aviation Inc., and Volvo Group. The principal firms are Jefferson IP Law, LLP, AMIN, TUROCY & WATSON, LLP, and DENTONS DAVIS BROWN PC. The reported outcomes support active prosecution planning, with interviews considered alongside written responses and a timeline that allows for continued examination.

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

Performance Statistics

76.6%
Allow Rate
+24.6% vs TC avg
387
Total Applications
+18.9%
Interview Lift
1114
Avg Prosecution Days
Based on 364 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
25.1%
§102 Novelty
61.8%
§103 Obviousness
10.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19028396 ELECTRONIC DEVICE AND METHOD FOR WIRED AND WIRELESS CHARGING IN ELECTRONIC DEVICE Non-Final OA Samsung Electronics Co., Ltd.
19382812 STOP SYSTEM FOR A HIGH POWER SYSTEM Non-Final OA VOLVO PENTA CORPORATION
19063410 CONTACTLESS ELECTRIC POWER TRANSMISSION SYSTEM, MOVABLE BODY, AND CONTACTLESS ELECTRIC POWER TRANSMISSION METHOD Final Rejection HONDA MOTOR CO., LTD.
17738111 GENERATING SYSTEM USING FUEL CELL AND METHOD FOR CONTROLLING THE SAME Final Rejection Kia Corporation
18594439 ELECTRIC POWER CONTROL SYSTEM Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
19105885 POWER CONVERSION DEVICE Non-Final OA LG INNOTEK CO., LTD.
19106243 POWER SUPPLY CIRCUIT, ELECTRONIC DEVICE, AND COMMUNICATION SYSTEM Non-Final OA ZTE CORPORATION
18585774 ELECTROMAGNATIC INTERFERENCE FILTER FOR ELECTRIC VEHICLE TRACTION INVERTER Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC

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Frequently Asked Questions

What is examiner Swarna N Chowdhuri's allowance rate?

76.6% of resolved applications examined by Swarna N Chowdhuri were allowed (364 resolved cases), compared with 66.2% across Art Unit 2836 over the last five years.

Does an interview help with examiner Swarna N Chowdhuri?

This examiner's interview lift is +18.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Swarna N Chowdhuri take to allow a patent?

Applications allowed by Swarna N Chowdhuri took 1,114 days on average from filing to allowance.

Which art unit does examiner Swarna N Chowdhuri work in?

Swarna N Chowdhuri examines applications in Art Unit 2836 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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