Prosecution Insights
Last updated: October 27, 2026

Brent W Herring, USPTO Patent Examiner

Listed by the USPTO as HERRING, BRENT W

Tech Center 3600 • Art Units: 3633

This examiner grants 69% of resolved cases

Analysis

Brent W. Herring is an experienced examiner in Tech Center 3600 and Art Unit 3633, with 1327 resolved cases. He has an allowance rate of 69.0 percent and a relatively fast median pendency of 798 days to allowance. This examiner works with companies like Unilin B.V., Hilti Aktiengesellschaft, and Siemens Gamesa Renewable Energy S.A. The 69.0 percent allowance rate suggests a predictable path for well-prepared applications.

The interview lift of 16.5 percent shows that direct engagement is a useful strategy for securing a grant. Practitioners from firms like Workman Nydegger, THE WEBB LAW FIRM, P.C., and Abel Schillinger, LLP can use this 16.5 percent lift to improve the 69.0 percent baseline allowance rate. The 798-day median wait suggests an efficient process for those who can satisfy the examiner's requirements. The 1327 resolved cases provide a very strong statistical foundation for these prosecution trends.

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

Performance Statistics

69.0%
Allow Rate
+17.0% vs TC avg
1,369
Total Applications
+16.5%
Interview Lift
798
Avg Prosecution Days
Based on 1327 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
27.6%
§102 Novelty
46.3%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18996697 SET OF DEVICES FOR ROUTING LINES, PIPES, AND/OR CABLES THROUGH A BUILDING COMPONENT Non-Final OA Hilti Aktiengesellschaft
19109375 INFLATABLE ENCLOSURE AND METHOD FOR PRODUCING AN INFLATABLE ENCLOSURE Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18880637 Acoustic Baffle Non-Final OA Rockwool A/S
19042055 BUILDING SURFACE PANELS AND METHOD OF FORMING THE SAME Non-Final OA CERTAINTEED LLC
18738123 Low-slope Roofing System Final Rejection Board of Trustees of Western Michigan University

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Frequently Asked Questions

What is examiner Brent W Herring's allowance rate?

69.0% of resolved applications examined by Brent W Herring were allowed (1,327 resolved cases), compared with 57.2% across Art Unit 3633 over the last five years.

Does an interview help with examiner Brent W Herring?

This examiner's interview lift is +16.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brent W Herring take to allow a patent?

Applications allowed by Brent W Herring took 798 days on average from filing to allowance.

Which art unit does examiner Brent W Herring work in?

Brent W Herring examines applications in Art Unit 3633 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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