Prosecution Insights
Last updated: October 26, 2026

Eddy Cheung, USPTO Patent Examiner

Listed by the USPTO as CHEUNG, EDDY

Tech Center 2100 • Art Units: 2113 2165

This examiner grants 82% of resolved cases

Analysis

Eddy Cheung is an examiner in Tech Center 2100 and Art Unit 2113, with 278 resolved cases. The profile shows an allowance rate pct of 81.7%. The interview lift pct is 17.1%, indicating that interviews are a productive tool for resolving issues and increasing the likelihood of allowance. This lift provides a meaningful boost to the already strong 81.7% baseline success rate.

The median days to allowance is 1050. Top companies include Innolux Corporation and Telefonaktiebolaget LM Ericsson, with legal work often handled by NORTH AMERICA INTELLECTUAL PROPERTY CORPORATION. Given the 81.7% allowance rate and the 1050-day median pendency, practitioners should consider the 17.1% interview lift as a strategic option to streamline prosecution and ensure a positive outcome.

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

Performance Statistics

81.7%
Allow Rate
+26.7% vs TC avg
281
Total Applications
+17.1%
Interview Lift
1050
Avg Prosecution Days
Based on 278 resolved cases, 2023–2026

Rejection Statute Breakdown

14.4%
§101 Eligibility
12.8%
§102 Novelty
52.1%
§103 Obviousness
7.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17914548 METHODS AND SYSTEMS FOR SEARCHING AND RETRIEVING INFORMATION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
19093243 INFORMATION QUERY SYSTEM AND INFORMATION QUERY METHOD Non-Final OA InnoLux Corporation

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Eddy Cheung's allowance rate?

81.7% of resolved applications examined by Eddy Cheung were allowed (278 resolved cases), compared with 78.0% across Art Unit 2113 over the last five years.

Does an interview help with examiner Eddy Cheung?

This examiner's interview lift is +17.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eddy Cheung take to allow a patent?

Applications allowed by Eddy Cheung took 1,050 days on average from filing to allowance.

Which art unit does examiner Eddy Cheung work in?

Eddy Cheung examines applications in Art Unit 2113 in Tech Center 2100 (Computing & Software).

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