Prosecution Insights
Last updated: October 02, 2026

Examiner: SEMBER, THOMAS M

Tech Center 3600 • Art Units: 2875 2885 3648

This examiner grants 84% of resolved cases

Analysis

Thomas M. Sember demonstrates a high volume of activity within Tech Center 3600 and Art Unit 2875, having resolved 1225 cases. His allowance rate of 84.3% is notably high, suggesting a streamlined path to patent issuance for most applications. Furthermore, the median days to allowance is 687, indicating an efficient prosecution timeline that is considerably shorter than many other examiners.

While the baseline allowance rate is already high at 84.3%, an interview provides an additional lift of 11.6%. This suggests that even in a favorable environment, direct discussion can help resolve remaining issues. For the 1225 cases managed by this examiner, the combination of a fast 687-day median and a high success rate makes for a predictable prosecution experience. The 11.6% lift remains a useful tool for applicants facing initial rejections.

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

Performance Statistics

84.3%
Allow Rate
+32.3% vs TC avg
1,239
Total Applications
+11.6%
Interview Lift
687
Avg Prosecution Days
Based on 1225 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
33.0%
§102 Novelty
34.5%
§103 Obviousness
13.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18792981 AIR PURIFIER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19426337 LIGHTING DEVICE Non-Final OA STANLEY ELECTRIC CO., LTD.
18429675 VISUAL COMMUNICATION SYSTEM Final Rejection Waymo LLC
18777525 METHOD FOR OPERATING CABIN AIR FILTRATION SYSTEM OF VEHICLE, COMPUTER PROGRAM, AND ELECTRONIC CONTROL UNIT Non-Final OA MANN+HUMMEL GmbH

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