Prosecution Insights
Last updated: October 27, 2026

Thuy Chan Dao, USPTO Patent Examiner

Listed by the USPTO as DAO, THUY CHAN

Tech Center 3600 • Art Units: 2192 2197 3668

This examiner grants 88% of resolved cases

Analysis

DAO, THUY CHAN is a Tech Center 3600 examiner in Art Unit 2192 with 1185 resolved cases. The allowance rate is 88.4%, and the median time to allowance is 1221 days. The substantial record supports detailed review of prosecution patterns, while the median timing should be incorporated into filing and portfolio planning.

The interview lift is 11.7%, indicating a positive association with interviews. A focused interview may help clarify claim scope and support a more direct written response.

Karma Shopping Ltd., Royal Bank of Canada, and Microsoft Technology Licensing, LLC are the listed companies. M&B IP Analysts, LLC, COOLEY LLP, and FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER are the listed firms.

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

Performance Statistics

88.4%
Allow Rate
+36.4% vs TC avg
1,202
Total Applications
+11.7%
Interview Lift
1221
Avg Prosecution Days
Based on 1185 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
36.4%
§102 Novelty
51.0%
§103 Obviousness
4.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18806468 APPLICATION PERFORMANCE MONITORING FOR MONOLITHIC APPLICATIONS AND DISTRIBUTED SYSTEMS Non-Final OA Oracle International Corporation
18575147 COMPUTE-INTENSIVE KERNEL GENERATOR, MICRO-KERNEL CODE CACHE, FUSED KERNEL GENERATOR AND CYCLIC DEPENDENCE FREE GRAPH PARTITIONING FOR DEEP LEARNING WORKLOADS Non-Final OA Intel Corporation
18667743 TOUCHLESS DEVICE MANAGEMENT Non-Final OA Microsoft Technology Licensing, LLC
18799992 WORKFLOWS Non-Final OA Stripe, LLC
18774007 Assembly And Method For Analyzing A System Non-Final OA Aptiv Technologies AG

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Frequently Asked Questions

What is examiner Thuy Chan Dao's allowance rate?

88.4% of resolved applications examined by Thuy Chan Dao were allowed (1,185 resolved cases), compared with 75.3% across Art Unit 2192 over the last five years.

Does an interview help with examiner Thuy Chan Dao?

This examiner's interview lift is +11.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thuy Chan Dao take to allow a patent?

Applications allowed by Thuy Chan Dao took 1,221 days on average from filing to allowance.

Which art unit does examiner Thuy Chan Dao work in?

Thuy Chan Dao examines applications in Art Unit 2192 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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