Prosecution Insights
Last updated: October 27, 2026

Vi N Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, VI N

Tech Center 3600 • Art Units: 2117 2169 3628

This examiner grants 46% of resolved cases

Analysis

TRAN, VI N is assigned to tech center 3600 and art unit 2117. The examiner has 113 resolved cases, an allowance rate of 46.0%, and a median of 1347 days to allowance. The smaller case record calls for measured interpretation, but the available figures show a lower allowance outcome and a lengthy observed path to allowance.

The interview lift is 34.6%, which makes interview preparation a relevant option for applicants addressing this examination record. The listed companies are BASF SE, Rockwell Automation Technologies Inc., and Seiko Epson Corporation. The listed firms are Foley & Lardner LLP, Alliance IP, LLC - Intel, and ARENTFOX SCHIFF LLP. These participants provide practical context for the profile without predicting an individual application’s result.

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

Performance Statistics

46.0%
Allow Rate
-6.0% vs TC avg
153
Total Applications
+34.6%
Interview Lift
1347
Avg Prosecution Days
Based on 113 resolved cases, 2023–2026

Rejection Statute Breakdown

15.3%
§101 Eligibility
12.5%
§102 Novelty
55.7%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18507174 INFORMATION PROCESSING SYSTEM, STORAGE DEVICE, AND THREE-DIMENSIONAL SHAPING DEVICE Final Rejection SEIKO EPSON CORPORATION
18361641 Generation of Real-World Object from Captured Gameplay Video Final Rejection Sony Interactive Entertainment Inc.
18358503 POWER PROCESSING SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18838740 TECHNOLOGIES FOR LOW POWER INDOOR AND OUTDOOR DETECTION Non-Final OA Intel Corporation
18021241 REAL-TIME CONTROL OF MECHANICAL VALVES USING COMPUTER VISION AND MACHINE LEARNING Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
17601275 BUILD UNIT HAVING BUILD APPARATUS OUTPUTTING POSITION INFORMATION RELATING TO A BUILD OBJECT BUILT BY THE BUILD APPARATUS TO A SEPARATE PROCESSING APPARATUS THAT PROCESSES THE BUILT BUILD OBJECT Non-Final OA NIKON CORPORATION
18937680 RISK MITIGATION SYSTEM FOR ELECTRICAL POWER GRIDS Non-Final OA NEC Laboratories America, Inc.
17927653 METHOD AND ARRANGEMENT FOR SPEARATING EXCESS MATERIAL FROM AN ADDITIVELY MANUFACTURED COMPONENT Final Rejection Siemens Aktiengesellschaft
18848430 METHOD FOR OPERATING PRODUCTION FEEDS Non-Final OA BASF SE
18837410 AN AUGMENTED REALITY-BASED AUTOMATION SYSTEM Non-Final OA BASF SE
18562290 COMPUTER-IMPLEMENTED METHOD AND SYSTEM FOR DETERMINING OPTIMIZED SYSTEM PARAMETERS OF A TECHNICAL SYSTEM BY MEANS OF A COST FUNCTION Non-Final OA Continental Automotive Technologies GmbH
17999913 INJECTION MOLDING MANAGEMENT DEVICE Final Rejection FANUC CORPORATION
17435242 MACHINE LEARNING DEVICE AND MAGNETIC BEARING DEVICE Non-Final OA DAIKIN INDUSTRIES, LTD.
18087641 MACHINE AND DEEP LEARNING TECHNIQUES FOR PREDICTING ECOLOGICAL EFFICIENCY IN SUBSTRATE PROCESSING Final Rejection APPLIED MATERIALS, INC.
18475213 DISPLAY DEVICE, CONTROL DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.
18902078 INDUSTRIAL SIMULATION DATA WITHIN DIGITAL TWIN VISUALIZATIONS Non-Final OA Rockwell Automation Technologies, Inc.
18898812 Safety Tag Transfer During Safety Controller Qualification Non-Final OA Rockwell Automation Technologies, Inc.
18701209 MOLDING MACHINE SYSTEM, TORQUE DERIVATION SYSTEM, TORQUE DERIVATION METHOD AND PROGRAM Non-Final OA THE JAPAN STEEL WORKS, LTD.

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Frequently Asked Questions

What is examiner Vi N Tran's allowance rate?

46.0% of resolved applications examined by Vi N Tran were allowed (113 resolved cases), compared with 59.5% across Art Unit 2117 over the last five years.

Does an interview help with examiner Vi N Tran?

This examiner's interview lift is +34.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vi N Tran take to allow a patent?

Applications allowed by Vi N Tran took 1,347 days on average from filing to allowance.

Which art unit does examiner Vi N Tran work in?

Vi N Tran examines applications in Art Unit 2117 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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