Prosecution Insights
Last updated: October 04, 2026

Examiner: 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. The examiner has 278 resolved cases. The data shows an allowance rate of 81.7 percent for these cases. This 81.7 percent rate provides a baseline for applicants to evaluate the probability of success when their applications are assigned to this examiner.

The interview lift for this examiner is 17.1 percent. This 17.1 percent lift is a comparison to the allowance rate, suggesting that direct communication is a factor in the prosecution process. Practitioners can use this figure to evaluate the impact of conducting an interview, as it correlates with an increased probability of reaching an allowance compared to the 81.7 percent baseline.

The median days to allowance for Cheung is 1050. This 1050-day measure provides an expectation for the duration of the patent prosecution cycle. With 278 resolved cases, the examiner has a history that supports these metrics. The combination of the allowance rate and the 1050-day median pendency helps in planning patent strategies for Art Unit 2113.

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
280
Total Applications
+17.1%
Interview Lift
1050
Avg Prosecution Days
Based on 278 resolved cases, 2023–2026

Rejection Statute Breakdown

14.6%
§101 Eligibility
12.8%
§102 Novelty
52.1%
§103 Obviousness
7.7%
§112 Clarity

Currently Pending Office Actions

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

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