Prosecution Insights
Last updated: October 02, 2026

Examiner: YEMELYANOV, DMITRIY

Tech Center 3600 • Art Units: 2891 3616

This examiner grants 74% of resolved cases

Analysis

Dmitriy Yemelyanov works in Tech Center 3600 and Art Unit 2891. The examiner has 572 resolved cases. The allowance rate is 74.3 percent, and the median days to allowance is 960. These metrics provide a clear picture of the expected outcomes and the duration of the prosecution process. The 960 day median represents the typical period from filing to the grant of a patent for applications assigned to this examiner.

The interview lift for this examiner is 19.2 percent. This indicates that interviews are associated with a higher probability of allowance. For the 572 resolved cases, the 19.2 percent lift and the 74.3 percent allowance rate suggest that practitioners should use interviews as a key tool. Engaging in oral advocacy may help navigate the 960 day median prosecution timeline more effectively for applications in Art Unit 2891.

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

Performance Statistics

74.3%
Allow Rate
+22.3% vs TC avg
611
Total Applications
+19.2%
Interview Lift
960
Avg Prosecution Days
Based on 572 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
21.9%
§102 Novelty
56.4%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18608838 SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD FOR THE SAME Non-Final OA SAMSUNG ELECTRONICS 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.
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.
18409811 DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18591169 SEMICONDUCTOR DEVICE Non-Final OA TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
18527071 FLEXIBLE DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
18155681 QUANTUM WELL-BASED LED STRUCTURE ENHANCED WITH SIDEWALL HOLE INJECTION Final Rejection Google LLC
17539678 LIGHT-EMITTING DIODE CHIPS AND MANUFACTURING PROCESSES THEREOF Non-Final OA CreeLED, Inc.
17539685 LIGHT-EMITTING DIODE CHIPS AND MANUFACTURING PROCESSES THEREOF Final Rejection CreeLED, Inc.
18518416 SEMICONDUCTOR PACKAGE STRUCTURES Final Rejection Yangtze Memory Technologies Co., Ltd.
18287918 LIGHT-EMITTING APPARATUS AND ELECTRONIC DEVICE Final Rejection Semiconductor Energy Laboratory Co., Ltd.
18687167 IMAGING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18398848 CROSS-COUPLE CONSTRUCT WITH SHIFTED GATE CONTACT Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18479005 INTEGRATED CIRCUIT DEVICE WITH LATERALLY DIFFUSED METAL OXIDE SEMICONDUCTOR AND ZENER DIODE Non-Final OA Texas Instruments Incorporated
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.
18397522 Transparent Conductive Oxide Layer With Ohmic Contact On n-type AlInGaP for LEDs and MicroLEDs Non-Final OA Lumileds LLC
18412390 DEVICES, SYSTEMS AND METHODS FOR REDUCING WARPAGE DURING FABRICATION OF DUAL SIDE MOLD MODULES Non-Final OA SKYWORKS SOLUTIONS, INC.
18839132 SOLID-STATE IMAGING ELEMENT Non-Final OA HAMAMATSU PHOTONICS K.K.
18348893 LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME Final Rejection TIANJIN SANAN OPTOELECTRONICS CO., LTD.
17902463 HIGH-ELECTRON-MOBILITY TRANSISTOR Final Rejection GlobalFoundries U.S. Inc.
18431726 MICRO-ELECTROMECHANICAL SYSTEM (MEMS) MIRROR COMB DRIVE Non-Final OA Lumentum Operations LLC
18388233 NOR-TYPE MEMORY DEVICE, METHOD OF MANUFACTURING NOR-TYPE MEMORY DEVICE, AND ELECTRONIC DEVICE INCLUDING MEMORY DEVICE Non-Final OA INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
18044811 LED DEVICE Non-Final OA PORO TECHNOLOGIES LTD

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