Prosecution Insights
Last updated: October 26, 2026

Thang Duc Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, THANG DUC

Tech Center 3600 • Art Units: 2424 2682 2683 2686 2689 3666

This examiner grants 76% of resolved cases

Analysis

TRAN, THANG DUC is assigned to Tech Center 3600 and Art Unit 2424. The record includes 489 resolved cases, a 76.3% allowance rate, and a 23.1% interview lift. The median time to allowance is 689 days. The profile shows a favorable allowance outcome, a meaningful interview-associated effect, and a comparatively short reported median period, giving practitioners several useful factors for prosecution planning.

Qualcomm Incorporated, Scott Technologies Inc., and Samsung Electronics Co., Ltd. are the leading companies. The listed firms are LEWIS RICE LLC, APPLE INC. - Fletcher, and Crowell. Counsel may combine focused examiner interviews with written amendments that make the technical distinction and support for preserved claim scope readily apparent.

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

Performance Statistics

76.3%
Allow Rate
+24.3% vs TC avg
533
Total Applications
+23.1%
Interview Lift
689
Avg Prosecution Days
Based on 489 resolved cases, 2023–2026

Rejection Statute Breakdown

4.0%
§101 Eligibility
12.0%
§102 Novelty
60.8%
§103 Obviousness
10.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18807433 HEAD-MOUNTED DISPLAY DEVICE AND METHOD FOR CONTROLLING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18926444 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
18786445 ASSISTANCE CONTROL APPARATUS, ASSISTANCE CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA HONDA MOTOR CO.,LTD.
18335307 COMMUNICATION FOR VEHICLE SAFETY SYSTEM Non-Final OA QUALCOMM Incorporated
17879877 FILTERING V2X SENSOR DATA MESSAGES Final Rejection QUALCOMM Incorporated
19311179 UPDATE INFORMATION NOTIFICATION DEVICE, VEHICLE SYSTEM, AND STORAGE MEDIUM STORING UPDATE INFORMATION NOTIFICATION PROGRAM Non-Final OA DENSO CORPORATION
18832214 CONTROLLING POWER STATE OF A LOCK ASSEMBLY Final Rejection ASSA ABLOY AB
18802755 TRAFFIC CONTROL METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM Non-Final OA Tencent Technology (Shenzhen) Company Limited
18726677 METHOD AND SYSTEM FOR MONITORING THE SURROUNDINGS OF A VEHICLE Non-Final OA Continental Automotive Technologies GmbH
18500012 NOTIFICATION SYSTEMS AND METHODS FOR A VEHICLE CONTROLLED BY AN EXTERNAL INTERFACE Final Rejection Ford Global Technologies, LLC
18572346 DEVICE INCORPORATING BIOACOUSTICS SENSING Final Rejection Philip Morris Products S.A.
19109729 VIBRATION BASED INTERACTION SYSTEM FOR ON BODY DEVICE AND METHOD Non-Final OA UNIVERSITY OF VIRGINIA PATENT FOUNDATION

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Frequently Asked Questions

What is examiner Thang Duc Tran's allowance rate?

76.3% of resolved applications examined by Thang Duc Tran were allowed (489 resolved cases), compared with 68.6% across Art Unit 2424 over the last five years.

Does an interview help with examiner Thang Duc Tran?

This examiner's interview lift is +23.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thang Duc Tran take to allow a patent?

Applications allowed by Thang Duc Tran took 689 days on average from filing to allowance.

Which art unit does examiner Thang Duc Tran work in?

Thang Duc Tran examines applications in Art Unit 2424 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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