Prosecution Insights
Last updated: October 27, 2026

Tsion M Tumebo, USPTO Patent Examiner

Listed by the USPTO as TUMEBO, TSION M

Tech Center 2800 • Art Units: 2875 2885

This examiner grants 66% of resolved cases

Analysis

TUMEBO, TSION M is assigned to USPTO technology center 2800 and art unit 2875. The profile includes 811 resolved cases, a 66.3% allowance rate, and a 20.4% interview lift. Median time to allowance is 893 days, providing a timing measure alongside the outcome data.

Top company entries are Alps Alpine Co., Ltd., Robe Lighting S R O, and Emerson Electric Co. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Christensen, Fonder, Dardi & Busse PLLC, and Conley Rose, P.C. These names identify recurring portfolio and representation activity associated with the examiner’s record.

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

Performance Statistics

66.3%
Allow Rate
-1.7% vs TC avg
847
Total Applications
+20.4%
Interview Lift
893
Avg Prosecution Days
Based on 811 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
19.8%
§102 Novelty
60.9%
§103 Obviousness
16.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19113537 OPTICAL MODULE FOR A LIGHT-EMITTING SYSTEM FOR A MOTOR VEHICLE Non-Final OA VALEO VISION
19481121 LIGHTING ARRANGEMENT Non-Final OA SIGNIFY HOLDING B.V.
19108335 IN-CABIN IMAGING APPARATUS Non-Final OA MITSUBISHI ELECTRIC MOBILITY CORPORATION
18959112 POLYMER LUMINAIRE Non-Final OA Eaton Intelligent Power Limited
18845894 WATERPROOF CONNECTOR Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
19363304 LIGHTING DEVICE FOR A MOTOR VEHICLE AND MOTOR VEHICLE HAVING SUCH A LIGHTING DEVICE Final Rejection AUDI AG
19260230 BACKLIGHT MODULE AND DISPLAY DEVICE Final Rejection Coretronic Corporation
18599618 MIRROR ASSEMBLY POWERING SYSTEM Non-Final OA Gentex Corporation
19093477 ILLUMINATOR Non-Final OA Yazaki Corporation
18761859 RELIABLE HYBRID ELECTRICAL CONNECTOR Non-Final OA Amphenol East Asia Electronic Technology (Shenzhen) Co., Ltd.

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Frequently Asked Questions

What is examiner Tsion M Tumebo's allowance rate?

66.3% of resolved applications examined by Tsion M Tumebo were allowed (811 resolved cases), compared with 65.6% across Art Unit 2875 over the last five years.

Does an interview help with examiner Tsion M Tumebo?

This examiner's interview lift is +20.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tsion M Tumebo take to allow a patent?

Applications allowed by Tsion M Tumebo took 893 days on average from filing to allowance.

Which art unit does examiner Tsion M Tumebo work in?

Tsion M Tumebo examines applications in Art Unit 2875 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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