Prosecution Insights
Last updated: October 27, 2026

Henry Tsai, USPTO Patent Examiner

Listed by the USPTO as TSAI, HENRY

Tech Center 2100 • Art Units: 2181 2183 2184

This examiner grants 15% of resolved cases

Performance Statistics

15.4%
Allow Rate
-39.6% vs TC avg
27
Total Applications
-8.4%
Interview Lift
1019
Avg Prosecution Days
Based on 26 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
28.2%
§102 Novelty
54.1%
§103 Obviousness
9.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18634832 TECHNIQUES TO TRANSFER DATA AMONG HARDWARE DEVICES Non-Final OA NVIDIA Corporation

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Frequently Asked Questions

What is examiner Henry Tsai's allowance rate?

15.4% of resolved applications examined by Henry Tsai were allowed (26 resolved cases), compared with 77.6% across Art Unit 2181 over the last five years.

Does an interview help with examiner Henry Tsai?

This examiner's interview lift is -8.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Henry Tsai take to allow a patent?

Applications allowed by Henry Tsai took 1,019 days on average from filing to allowance.

Which art unit does examiner Henry Tsai work in?

Henry Tsai examines applications in Art Unit 2181 in Tech Center 2100 (Computing & Software).

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