Prosecution Insights
Last updated: October 27, 2026

Dmitriy Yemelyanov, USPTO Patent Examiner

Listed by the USPTO as YEMELYANOV, DMITRIY

Tech Center 3600 • Art Units: 2891 3616

This examiner grants 74% of resolved cases

Analysis

YEMELYANOV, DMITRIY is assigned to tech center 3600 and art unit 2891. His record covers 576 resolved cases, with an allowance rate of 74.1% and a median of 962 days to allowance. The interview lift is 19.4%, indicating a positive association between interviews and allowance outcomes.

The principal companies are Taiwan Semiconductor Manufacturing Company, Samsung Electronics, and Samsung Display. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Arch & Lake LLP, and BRAKE HUGHES BELLERMANN LLP. Interview preparation may be worthwhile, particularly when paired with a clear written amendment strategy.

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

Performance Statistics

74.1%
Allow Rate
+22.1% vs TC avg
619
Total Applications
+19.4%
Interview Lift
962
Avg Prosecution Days
Based on 576 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
22.0%
§102 Novelty
56.2%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18650292 SEMICONDUCTOR DEVICES Non-Final OA Samsung Electronics Co., Ltd.
18608838 SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD FOR THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD,
18818017 LIGHT EMITTING ELEMENT, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME Non-Final OA Samsung Display Co., LTD.
18412691 DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18155681 QUANTUM WELL-BASED LED STRUCTURE ENHANCED WITH SIDEWALL HOLE INJECTION Final Rejection Google LLC
18687167 IMAGING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18591169 SEMICONDUCTOR DEVICE Non-Final OA TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
18702820 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE Non-Final OA BOE Technology Group Co., Ltd.
18681307 THIN FILM TRANSISTOR DEVICE AND MANUFACTURING METHOD THEREOF, COMPOSITE ETCHING SOLUTION AND ARRAY SUBSTRATE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18089966 TRANSISTOR IN A SILICON CARBIDE LAYER AND A TRANSISTOR IN A GALLIUM NITRIDE LAYER IN A CASCODE DESIGN Final Rejection Intel Corporation
18667915 SEMICONDUCTOR APPARATUS Non-Final OA Mitsubishi Electric Corporation
18287918 LIGHT-EMITTING APPARATUS AND ELECTRONIC DEVICE Final Rejection Semiconductor Energy Laboratory Co., Ltd.
18479005 INTEGRATED CIRCUIT DEVICE WITH LATERALLY DIFFUSED METAL OXIDE SEMICONDUCTOR AND ZENER DIODE Non-Final OA Texas Instruments Incorporated
18412390 DEVICES, SYSTEMS AND METHODS FOR REDUCING WARPAGE DURING FABRICATION OF DUAL SIDE MOLD MODULES Non-Final OA SKYWORKS SOLUTIONS, INC.
18518416 SEMICONDUCTOR PACKAGE STRUCTURES Final Rejection Yangtze Memory Technologies Co., Ltd.
18789172 SEMICONDUCTOR DEVICE STRUCTURE WITH HYBRID FINS Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18435685 SEMICONDUCTOR STRUCTURE WITH BLOCKING FEATURES FORMED WITHIN BASE EPITAXY LAYERS AND METHOD FOR MANUFACTURING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18401853 PACKAGE STRUCTURE, DIE STRUCTURE AND METHOD FOR FORMING THE PACKAGE STRUCTURE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18839132 SOLID-STATE IMAGING ELEMENT Non-Final OA HAMAMATSU PHOTONICS K.K.
17902463 HIGH-ELECTRON-MOBILITY TRANSISTOR Non-Final OA GlobalFoundries U.S. Inc.
18431726 MICRO-ELECTROMECHANICAL SYSTEM (MEMS) MIRROR COMB DRIVE Non-Final OA Lumentum Operations LLC

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Frequently Asked Questions

What is examiner Dmitriy Yemelyanov's allowance rate?

74.1% of resolved applications examined by Dmitriy Yemelyanov were allowed (576 resolved cases), compared with 69.5% across Art Unit 2891 over the last five years.

Does an interview help with examiner Dmitriy Yemelyanov?

This examiner's interview lift is +19.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dmitriy Yemelyanov take to allow a patent?

Applications allowed by Dmitriy Yemelyanov took 962 days on average from filing to allowance.

Which art unit does examiner Dmitriy Yemelyanov work in?

Dmitriy Yemelyanov examines applications in Art Unit 2891 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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