Prosecution Insights
Last updated: October 27, 2026

Meiya Li, USPTO Patent Examiner

Listed by the USPTO as LI, MEIYA

Tech Center 2800 • Art Units: 2800 2811

This examiner grants 69% of resolved cases

Analysis

LI, MEIYA works in Tech Center 2800 and Art Unit 2800. Her profile records 948 resolved cases, a 69.1% allowance rate, and a median of 1315 days to allowance. The interview lift is 26.0%, supporting use of interviews when counsel can present focused technical or claim-based distinctions.

The principal companies are Taiwan Semiconductor Manufacturing Company, Ltd., Samsung Electronics Co., Ltd., and NANYA TECHNOLOGY Corporation. The leading firms are BIRCH STEWART KOLASCH & BIRCH, LLP, DINSMORE & SHOHL LLP, and Dorsey & Whitney LLP - MTI (Nelson). The substantial record supports meaningful planning, while the median timing calls for sustained docket attention.

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

Performance Statistics

69.1%
Allow Rate
+1.1% vs TC avg
995
Total Applications
+26.0%
Interview Lift
1315
Avg Prosecution Days
Based on 948 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
14.6%
§102 Novelty
39.4%
§103 Obviousness
43.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18628890 SEMICONDUCTOR PACKAGE AND WIRING SUBSTRATE USED FOR THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18386429 VERTICAL MEMORY DEVICES INCLUDING DIVISION PATTERNS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
14942170 ENHANCEMENT OF ORGANIC PHOTOVOLTAIC CELL OPEN CIRCUIT VOLTAGE USING ELECTRON/HOLE BLOCKING EXCITON BLOCKING LAYERS Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18616019 INDUCTORS WITH THROUGH-SUBSTRATE VIA CORES Non-Final OA Micron Technology, Inc.
18592970 SEMICONDUCTOR DEVICE Non-Final OA Kioxia Corporation
18233697 THREE-DIMENSIONAL MEMORY DEVICE INCLUDING A METAL OXIDE ETCH STOP LAYER AND METHODS FOR FORMING THE SAME Non-Final OA WESTERN DIGITAL TECHNOLOGIES, INC.
18111577 High Voltage Blocking III-V Semiconductor Device Final Rejection Infineon Technologies Austria AG
18788741 Radical Treatment in Supercritical Fluid for Gate Dielectric Quality Improvement to CFET Structure Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
17335985 SEMICONDUCTOR PACKAGE AND METHOD OF MAKING Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18591792 FORMING ISOLATION REGIONS WITH LOW PARASITIC CAPACITANCE AND REDUCED DAMAGE Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18412779 SEMICONDUCTOR PACKAGE STRUCTURES AND METHODS OF FORMING SAME Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18446753 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
17845849 METHOD FOR PREPARING MEMORY DEVICE WITH MULTILAYERED CAPACITOR DIELECTRIC STRUCTURE Final Rejection NANYA TECHNOLOGY CORPORATION
17741593 MEMORY DEVICE HAVING PROTRUDING CHANNEL STRUCTURE Final Rejection NANYA TECHNOLOGY CORPORATION

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Frequently Asked Questions

What is examiner Meiya Li's allowance rate?

69.1% of resolved applications examined by Meiya Li were allowed (948 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Meiya Li?

This examiner's interview lift is +26.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Meiya Li take to allow a patent?

Applications allowed by Meiya Li took 1,315 days on average from filing to allowance.

Which art unit does examiner Meiya Li work in?

Meiya Li examines applications in Art Unit 2800 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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