Prosecution Insights
Last updated: October 26, 2026

David Hoang Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, DAVID HOANG

Tech Center 2600 • Art Units: 2100 2121 2147 2666

This examiner grants 22% of resolved cases

Analysis

TRAN, DAVID HOANG handles cases in tech center 2600 and art unit 2100. Across 23 resolved cases, the allowance rate is 21.7% and the interview lift is 24.1%. The median time to allowance is 1654 days. The record shows a lower observed allowance measure, a positive interview association, and an extended stated timeline, but its limited size constrains broad forecasting.

The recurring companies are International Business Machines Corporation, Visa International Service Association, and NVIDIA Corporation. The leading firms are CHIP LAW GROUP, KHMRG (NVIDIA), and BANNER & WITCOFF, LTD. These participants place the profile in a computing and financial-technology context where focused claim and interview preparation may be useful.

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

Performance Statistics

21.7%
Allow Rate
-40.3% vs TC avg
62
Total Applications
+24.1%
Interview Lift
1654
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

29.8%
§101 Eligibility
8.6%
§102 Novelty
48.1%
§103 Obviousness
12.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18239416 SUPERVISED MODEL SELECTION VIA DIVERSITY CRITERIA Final Rejection Oracle International Corporation
17317806 SYSTEMS AND METHODS FOR IDENTIFYING MANUFACTURING DEFECTS Non-Final OA Samsung Display Co., Ltd.
18727761 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, COMPUTER-READABLE RECORDING MEDIUM, AND INFORMATION PROCESSING METHOD Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
17360459 Neural Network System and Data Processing Technology Non-Final OA Huawei Technologies Co., Ltd.
17448575 SYSTEMS AND METHODS FOR DETERMINING CAUSE OF PERFORMANCE CHANGE USING MACHINE LEARNING TECHNIQUES Non-Final OA Fidelity Information Services, LLC
18431458 METHODS AND APPARATUS FOR DISCRIMINATIVE SEMANTIC TRANSFER AND PHYSICS-INSPIRED OPTIMIZATION OF FEATURES IN DEEP LEARNING Non-Final OA Intel Corporation
17649578 System and Method for Automated Transfer Learning with Domain Disentanglement Non-Final OA Mitsubishi Electric Research Laboratories, Inc.
17576724 SUBCOMPONENT MODEL TRAINING Final Rejection salesforce.com, inc.
18418624 MOE MODEL FROM BLOCK SPARSE COMPUTATION'S POINT OF VIEW Non-Final OA TENCENT AMERICA LLC
18194729 RESOURCE-EFFICIENT PULSE-BASED VARIATIONAL QUANTUM ALGORITHM Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
17568209 TRANSFER LEARNING THROUGH COMPOSITE MODEL SLICING Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17357082 DYNAMIC CONTAINER CREATION BASED ON IDENTIFIED CONTEXTUAL NEED Non-Final OA International Business Machines Corporation
17134416 ANNOTATION QUALITY GRADING OF MACHINE LEARNING TRAINING SETS Final Rejection International Business Machines Corporation
17505384 IMAGE GENERATION USING ONE OR MORE NEURAL NETWORKS Final Rejection Nvidia Corporation
17211687 LATENT-VARIABLE GENERATIVE MODEL WITH A NOISE CONTRASTIVE PRIOR Final Rejection NVIDIA CORPORATION
16928888 INTENT-BASED COMMAND RECOMMENDATION GENERATION IN AN ANALYTICS SYSTEM Final Rejection ADOBE INC.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner David Hoang Tran's allowance rate?

21.7% of resolved applications examined by David Hoang Tran were allowed (23 resolved cases), compared with 38.8% across Art Unit 2100 over the last five years.

Does an interview help with examiner David Hoang Tran?

This examiner's interview lift is +24.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David Hoang Tran take to allow a patent?

Applications allowed by David Hoang Tran took 1,654 days on average from filing to allowance.

Which art unit does examiner David Hoang Tran work in?

David Hoang Tran examines applications in Art Unit 2100 in Tech Center 2600 (Communications).

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