Prosecution Insights
Last updated: October 26, 2026

Thomas M Sember, USPTO Patent Examiner

Listed by the USPTO as SEMBER, THOMAS M

Tech Center 3700 • Art Units: 2875 2885 3648 3773

This examiner grants 84% of resolved cases

Analysis

SEMBER, THOMAS M is assigned to Tech Center 3700 and art unit 2875. The examiner has 1228 resolved cases, an 84.4% allowance rate, and an 11.5% interview lift. The median time to allowance is 687 days, giving this profile a combination of substantial experience, a high allowance rate, and a comparatively short observed timeline.

The company list includes Samsung Electronics Co., Ltd., Stanley Electric Co., Ltd., and Waymo LLC. The listed firms are Anova Law Group PLLC, CANTOR COLBURN LLP, and MOSER TABOADA. Applicants may still benefit from interviews, but the data gives equal practical importance to efficient written prosecution and early identification of allowable claim scope.

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

Performance Statistics

84.4%
Allow Rate
+14.4% vs TC avg
1,251
Total Applications
+11.5%
Interview Lift
687
Avg Prosecution Days
Based on 1228 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
33.4%
§102 Novelty
34.2%
§103 Obviousness
13.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18792981 AIR PURIFIER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.

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Frequently Asked Questions

What is examiner Thomas M Sember's allowance rate?

84.4% of resolved applications examined by Thomas M Sember were allowed (1,228 resolved cases), compared with 65.6% across Art Unit 2875 over the last five years.

Does an interview help with examiner Thomas M Sember?

This examiner's interview lift is +11.5 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 M Sember take to allow a patent?

Applications allowed by Thomas M Sember took 687 days on average from filing to allowance.

Which art unit does examiner Thomas M Sember work in?

Thomas M Sember examines applications in Art Unit 2875 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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