Prosecution Insights
Last updated: October 27, 2026

Nikolay K Yushin, USPTO Patent Examiner

Listed by the USPTO as YUSHIN, NIKOLAY K

Tech Center 3600 • Art Units: 2800 2893 2896 3648

This examiner grants 93% of resolved cases

Analysis

YUSHIN, NIKOLAY K is a USPTO patent examiner in tech center 3600 and art unit 2800. The profile reports 1802 resolved cases, a 93.3% allowance rate, and a median of 668 days to allowance. The resolved-case volume supplies a broad record for assessing prosecution patterns, and the allowance figure reflects a high rate of cases reaching allowance.

The interview lift is 2.1%, so the recorded interview association with allowance is positive but limited. Samsung Display Co., Ltd., Seoul Semiconductor Co., Ltd., and Canon Inc. are the leading listed companies. OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., DICKE, BILLIG & CZAJA, and F. CHAU & ASSOCIATES, LLC are the listed firms. Practitioners can review these relationships when preparing matters directed to art unit 2800.

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

Performance Statistics

93.3%
Allow Rate
+41.3% vs TC avg
1,814
Total Applications
+2.1%
Interview Lift
668
Avg Prosecution Days
Based on 1802 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
29.1%
§102 Novelty
51.7%
§103 Obviousness
15.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18818225 OLED CHIP, EXPOSURE HEAD, IMAGE FORMING APPARATUS, AND METHOD OF MANUFACTURING OLED CHIP Non-Final OA CANON KABUSHIKI KAISHA
18808905 THIN FILM TRANSISTOR, THIN FILM TRANSISTOR ARRAY PANEL INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME Non-Final OA SAMSUNG DISPLAY CO., LTD.
18739003 DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Display Co., Ltd.
18728617 HYBRID HEAT SINK Non-Final OA SIEMENS AKTIENGESELLSCHAFT
18792118 PACKAGE WITH CONCAVE WETTABILITY AND/OR METALLIZATION LAYER Non-Final OA Infineon Technologies AG
18795517 SEMICONDUCTOR LIGHT-EMITTING APPARATUS Non-Final OA NIKKISO CO., LTD.

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Frequently Asked Questions

What is examiner Nikolay K Yushin's allowance rate?

93.3% of resolved applications examined by Nikolay K Yushin were allowed (1,802 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Nikolay K Yushin?

This examiner's interview lift is +2.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nikolay K Yushin take to allow a patent?

Applications allowed by Nikolay K Yushin took 668 days on average from filing to allowance.

Which art unit does examiner Nikolay K Yushin work in?

Nikolay K Yushin examines applications in Art Unit 2800 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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