Prosecution Insights
Last updated: October 26, 2026

Andrew Thanh Bui, USPTO Patent Examiner

Listed by the USPTO as BUI, ANDREW THANH

Tech Center 3700 • Art Units: 3745

This examiner grants 81% of resolved cases

Analysis

BUI, ANDREW THANH handles art unit 3745 matters within tech center 3700. The profile records 256 resolved cases, an allowance rate of 80.9%, an interview lift of 9.1%, and a median time to allowance of 924 days. The allowance outcome supports disciplined initial claim drafting and focused written responses. The interview figure indicates a limited positive measured effect, so counsel may use interviews as a targeted supplement rather than the central prosecution approach.

The listed companies are Guangdong Welling Motor Manufacturing Co. Ltd., General Electric Company, and RTX Corporation. The leading firms are BANNER & WITCOFF, LTD., Dickinson Wright PLLC - Troy, and Dority & Manning, P.A. and GEC-Aviation. This participant mix provides useful industrial and aerospace context. The median timeline supports practical scheduling and continuation planning.

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

Performance Statistics

80.9%
Allow Rate
+10.9% vs TC avg
289
Total Applications
+9.1%
Interview Lift
924
Avg Prosecution Days
Based on 256 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
32.7%
§102 Novelty
46.9%
§103 Obviousness
19.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18666372 METHODS AND APPARATUS TO PROVIDE WEIGHT REDUCTION OF AN AIRFOIL USING AN INTERNAL LATTICE STRUCTURE Non-Final OA General Electric Company
18404188 GAS TURBINE ENGINE AND FUEL CELL ASSEMBLY Non-Final OA General Electric Company
18133018 Laser Protection System Non-Final OA Kia Corporation
17840379 SYSTEMS AND METHODS FOR MANUFACTURING ADAPTIVE PERIPHERAL DEVICES Final Rejection Microsoft Technology Licensing, LLC
18917255 CMC COMPONENT WITH COOLING CAVITY COVER PLATE Final Rejection RTX CORPORATION
18297102 WAFER MANUFACTURING METHOD Final Rejection DISCO CORPORATION
17702553 DUAL SCANNER INSPECTION SYSTEMS AND METHODS Non-Final OA RAYTHEON TECHNOLOGIES CORPORATION

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Frequently Asked Questions

What is examiner Andrew Thanh Bui's allowance rate?

80.9% of resolved applications examined by Andrew Thanh Bui were allowed (256 resolved cases), compared with 64.8% across Art Unit 3745 over the last five years.

Does an interview help with examiner Andrew Thanh Bui?

This examiner's interview lift is +9.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Andrew Thanh Bui take to allow a patent?

Applications allowed by Andrew Thanh Bui took 924 days on average from filing to allowance.

Which art unit does examiner Andrew Thanh Bui work in?

Andrew Thanh Bui examines applications in Art Unit 3745 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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