Prosecution Insights
Last updated: October 26, 2026

James M Hewitt, USPTO Patent Examiner

Listed by the USPTO as HEWITT, JAMES M

Tech Center 3600 • Art Units: 3679

This examiner grants 70% of resolved cases

Analysis

HEWITT, JAMES M has resolved 884 cases in tech center 3600 and art unit 3679. The allowance rate is 69.7%, with a 45.4% interview lift. The median time to allowance is 1181 days. The combination of a substantial interview effect and an extended median timeline makes examiner engagement a practical focus for prosecution teams.

Cooper-Standard Automotive Inc., Core Linepipe Inc., and Contemporary Amperex Technology Co., Limited are the leading companies. Calfee, Halter & Griswold LLP, CARSTENS, ALLEN & GOURLEY, LLP, and DUANE MORRIS LLP - Boca Raton are the listed firms. The portfolio spans automotive, piping, and battery technologies.

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

Performance Statistics

69.7%
Allow Rate
+17.7% vs TC avg
908
Total Applications
+45.4%
Interview Lift
1181
Avg Prosecution Days
Based on 884 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
29.8%
§102 Novelty
39.6%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18473680 MULTI-FIT PIPE ADAPTER Final Rejection ADVANCED DRAINAGE SYSTEMS, INC.
18612777 TUBE CONNECTOR, THERMAL MANAGEMENT SYSTEM, BATTERY BOX, AND BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19210290 COUPLING DEVICE FOR A TUBE Final Rejection A. Raymond et Cie

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Frequently Asked Questions

What is examiner James M Hewitt's allowance rate?

69.7% of resolved applications examined by James M Hewitt were allowed (884 resolved cases), compared with 61.2% across Art Unit 3679 over the last five years.

Does an interview help with examiner James M Hewitt?

This examiner's interview lift is +45.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner James M Hewitt take to allow a patent?

Applications allowed by James M Hewitt took 1,181 days on average from filing to allowance.

Which art unit does examiner James M Hewitt work in?

James M Hewitt examines applications in Art Unit 3679 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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