Prosecution Insights
Last updated: October 27, 2026

Brian M Epstein, USPTO Patent Examiner

Listed by the USPTO as EPSTEIN, BRIAN M

Tech Center 3600 • Art Units: 3625 3628 3683

This examiner grants 31% of resolved cases

Analysis

Brian M. Epstein, operating in Tech Center 3600 and Art Unit 3625, has resolved 286 cases. His allowance rate of 31.1% is quite low, suggesting a difficult path for many applications. However, the interview lift of 38.4% is exceptionally high, indicating that the examiner is very open to changing his position after a direct discussion. For practitioners, this 38.4% lift makes the interview a mandatory strategic step in the prosecution process.

The median days to allowance is 1416, which is a long duration for patent applicants. Ford Motor Company is a primary applicant before this examiner, often represented by Brooks Kushman P.C. Given the 31.1% allowance rate, the high 38.4% interview lift is the most important tool available to overcome rejections. The 1416-day median timeline requires patience and a proactive approach to communication to secure a patent grant.

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

Performance Statistics

31.1%
Allow Rate
-20.9% vs TC avg
286
Total Applications
+38.4%
Interview Lift
1416
Avg Prosecution Days
Based on 286 resolved cases, 2023–2026

Rejection Statute Breakdown

26.3%
§101 Eligibility
9.4%
§102 Novelty
46.5%
§103 Obviousness
15.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18178590 LIGHTING-RESPONSIVE VEHICLE CONTROL Non-Final OA Ford Global Technologies, LLC

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Frequently Asked Questions

What is examiner Brian M Epstein's allowance rate?

31.1% of resolved applications examined by Brian M Epstein were allowed (286 resolved cases), compared with 32.9% across Art Unit 3625 over the last five years.

Does an interview help with examiner Brian M Epstein?

This examiner's interview lift is +38.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian M Epstein take to allow a patent?

Applications allowed by Brian M Epstein took 1,416 days on average from filing to allowance.

Which art unit does examiner Brian M Epstein work in?

Brian M Epstein examines applications in Art Unit 3625 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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