Prosecution Insights
Last updated: October 26, 2026

Wei Li, USPTO Patent Examiner

Listed by the USPTO as LI, WEI

Tech Center 2800 • Art Units: 2899

This examiner grants 100% of resolved cases

Analysis

LI, WEI is assigned to USPTO tech center 2800 and art unit 2899. The profile contains 1 resolved case, with a 100.0% allowance rate, a 0.0% interview lift, and a median of 1049 days to allowance. Because the resolved-case count is limited, these outcome measures provide only a narrow basis for forecasting future prosecution.

The listed companies are Samsung Electronics Co., Ltd., Samsung Display Co., Ltd., and Applied Materials Inc. The leading firms are Kilpatrick Townsend & Stockton LLP - West Coast, Knobbe, Martens, Olson & Bear, LLP, and NSIP LAW. Practitioners can treat the business and counsel names as useful representation context while avoiding broad conclusions from the single resolved case.

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

Performance Statistics

100.0%
Allow Rate
+32.0% vs TC avg
10
Total Applications
+0.0%
Interview Lift
1049
Avg Prosecution Days
Based on 1 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
5.3%
§102 Novelty
57.9%
§103 Obviousness
31.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18671507 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18751076 DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18639572 WORDLINE CONTACT FORMATION FOR NAND DEVICE Non-Final OA Applied Materials, Inc.
18577372 METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE Non-Final OA KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

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Frequently Asked Questions

What is examiner Wei Li's allowance rate?

100.0% of resolved applications examined by Wei Li were allowed (1 resolved cases), compared with 81.9% across Art Unit 2899 over the last five years.

Does an interview help with examiner Wei Li?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Wei Li took 1,049 days on average from filing to allowance.

Which art unit does examiner Wei Li work in?

Wei Li examines applications in Art Unit 2899 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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