Prosecution Insights
Last updated: October 26, 2026

David B Thomas, USPTO Patent Examiner

Listed by the USPTO as THOMAS, DAVID B

Tech Center 4100 • Art Units: 3723 4100

This examiner grants 77% of resolved cases

Analysis

THOMAS, DAVID B is a USPTO patent examiner in tech center 4100 and art unit 3723. The profile records 1456 resolved cases, an allowance rate of 76.9%, and a median of 869 days to allowance. Interviews are associated with a 21.2% lift.

The listed companies are MILWAUKEE ELECTRIC TOOL Corporation, SNAP-ON Incorporated, and Apex Brands Inc. The listed firms are Reinhart (Milwaukee Tool), Brooks Kushman P.C., and COLLARD & ROE, P.C. The extensive resolved-case record gives applicants a substantial observed basis for assessing this examiner’s prosecution outcomes. The median timing supports managing expectations over the life of a case, and the positive interview measure supports considering interviews where substantive dialogue may improve the response strategy.

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

Performance Statistics

76.9%
Allow Rate
+16.9% vs TC avg
1,475
Total Applications
+21.2%
Interview Lift
869
Avg Prosecution Days
Based on 1456 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
37.4%
§102 Novelty
32.9%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18909250 POWERED RATCHET WRENCH Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18674283 Driving Tool with Engagement Bit Storage Final Rejection Milwaukee Electric Tool Corporation
18451618 Wrenches Non-Final OA Milwaukee Electric Tool Corporation

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Frequently Asked Questions

What is examiner David B Thomas's allowance rate?

76.9% of resolved applications examined by David B Thomas were allowed (1,456 resolved cases), compared with 56.5% across Art Unit 3723 over the last five years.

Does an interview help with examiner David B Thomas?

This examiner's interview lift is +21.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David B Thomas take to allow a patent?

Applications allowed by David B Thomas took 869 days on average from filing to allowance.

Which art unit does examiner David B Thomas work in?

David B Thomas examines applications in Art Unit 3723 in Tech Center 4100.

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