Prosecution Insights
Last updated: October 26, 2026

Thomas W Irvin, USPTO Patent Examiner

Listed by the USPTO as IRVIN, THOMAS W

Tech Center 3600 • Art Units: 3616 3657 3683

This examiner grants 78% of resolved cases

Analysis

IRVIN, THOMAS W is a USPTO patent examiner in Tech Center 3600 and Art Unit 3616. The profile covers 1211 resolved cases, a 77.5% allowance rate, and a median of 1038 days to allowance. Interview lift is 14.5%, indicating a positive association with allowance outcomes.

The leading companies are SUMITOMO RIKO Company Limited, Nhk Spring Co., Ltd., and Hitachi Ltd. The listed firms are Crowell & Moring LLP, HOLTZ, HOLTZ & VOLEK PC, and Buchanan Ingersoll & Rooney PC. The substantial case history supports planning around a generally favorable allowance pattern, while the timing figure calls for realistic expectations about pendency.

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

Performance Statistics

77.5%
Allow Rate
+25.5% vs TC avg
1,238
Total Applications
+14.5%
Interview Lift
1038
Avg Prosecution Days
Based on 1211 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
35.9%
§102 Novelty
41.5%
§103 Obviousness
20.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18984265 ROAD VEHICLE IMPROVED TO REDUCE VIBRATION AND UNWANTED NOISE IN THE CABIN Non-Final OA FERRARI S.P.A.
18552932 ELECTRIC PARKING BRAKE AND METHOD FOR PRODUCTION THEREOF Non-Final OA ZF ACTIVE SAFETY GMBH
18494235 COIL SPRING AND SUSPENSION FOR VEHICLE Final Rejection NHK SPRING CO., LTD.
18321447 COIL SPRING Non-Final OA NHK SPRING CO., LTD.
18993163 BRAKE DEVICE Non-Final OA Hitachi Astemo, Ltd.
18691576 ELECTRONIC CONTROL APPARATUS AND ELECTRIC BRAKE APPARATUS Non-Final OA Hitachi Astemo, Ltd.
18945686 Brake Carrier for a Disc Brake Non-Final OA KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH

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Frequently Asked Questions

What is examiner Thomas W Irvin's allowance rate?

77.5% of resolved applications examined by Thomas W Irvin were allowed (1,211 resolved cases), compared with 73.2% across Art Unit 3616 over the last five years.

Does an interview help with examiner Thomas W Irvin?

This examiner's interview lift is +14.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thomas W Irvin take to allow a patent?

Applications allowed by Thomas W Irvin took 1,038 days on average from filing to allowance.

Which art unit does examiner Thomas W Irvin work in?

Thomas W Irvin examines applications in Art Unit 3616 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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