Prosecution Insights
Last updated: October 01, 2026

Examiner: DUONG, HIEN LUONGVAN

Tech Center 4100 • Art Units: 2147 2164 2175 3656 4100

This examiner grants 75% of resolved cases

Analysis

Hien Luongvan Duong is an examiner in Tech Center 4100, specifically Art Unit 2147. He has managed 665 resolved cases. This volume of work provides a significant sample size for evaluating his performance in the computer architecture and software fields. His experience in Art Unit 2147 suggests a specialized understanding of the technical challenges inherent in these sectors.

The examiner's allowance rate is 75.0 percent. He also shows a significant interview lift of 23.1 percent. This high lift indicates that engaging in an interview is a very effective strategy, providing a substantial increase in the probability of allowance. For practitioners, the 23.1 percent increase suggests that direct communication is a key tool for resolving complex issues and moving cases toward a grant in Duong's docket.

The median days to allowance for his cases is 1092. This duration indicates a standard prosecution cycle. When considered alongside the 75.0 percent allowance rate, the 1092-day median suggests that applicants can expect a predictable path to success. The 23.1 percent interview lift may be a critical factor in navigating this timeline and ensuring that the 75.0 percent likelihood of allowance is achieved as efficiently as possible.

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

Performance Statistics

75.0%
Allow Rate
+15.0% vs TC avg
699
Total Applications
+23.1%
Interview Lift
1092
Avg Prosecution Days
Based on 665 resolved cases, 2023–2026

Rejection Statute Breakdown

11.9%
§101 Eligibility
17.0%
§102 Novelty
56.5%
§103 Obviousness
6.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18582246 SYSTEMS AND METHODS FOR PREDICTING A SET OF PROBABLE CLASSES FOR TEST DATA Non-Final OA Samsung Electronics Co., Ltd.
17987905 ARTIFICIAL INTELLIGENCE MODEL CONTROL SYSTEM Non-Final OA ASUSTeK COMPUTER INC.
17651412 SYSTEMS AND METHODS FOR CONTROLLING A SURGICAL PUMP USING ENDOSCOPIC VIDEO DATA Non-Final OA Stryker Corporation
18087586 GENERATING OBJECT DATA USING A DIFFUSION MODEL Final Rejection Zoox, Inc.
17745715 NEURAL NETWORKS WITH FEEDFORWARD SPATIAL TRANSFORMATION UNITS Final Rejection Google LLC
17541091 METHOD(S) AND SYSTEM(S) FOR IMPROVED EFFICIENCY IN FEDERATED LEARNING OF MACHINE LEARNING MODEL(S) Final Rejection GOOGLE LLC
17456455 MAINTENANCE COMPUTING SYSTEM AND METHOD FOR AIRCRAFT WITH PREDICTIVE CLASSIFIER Final Rejection The Boeing Company
18731902 SYSTEMS AND METHODS FOR SPARSE DATA MACHINE LEARNING Non-Final OA Walmart Apollo, LLC
18279362 METHOD AND APPARATUS FOR ENABLING ARTIFICIAL INTELLIGENCE SERVICE IN M2M SYSTEM Final Rejection Industry Academy Cooperation Foundation of Sejong University
18570165 Robotic Systems and Methods Used to Update Training of a Neural Network Based upon Neural Network Outputs Non-Final OA ABB Schweiz AG
18381394 FEDERATED LEARNING SYSTEM, FEDERATED LEARNING METHOD, AND FEDERATED LEARNING PROGRAM Non-Final OA Hitachi, Ltd.
18518182 Data Leak Detection in Generative Artificial Intelligence Model Output Non-Final OA Bank of America Corporation
18342469 GENERATING AND PROVIDING MORPHING ASSISTANT INTERFACES THAT TRANSFORM ACCORDING TO ARTIFICIAL INTELLIGENCE SIGNALS Final Rejection Dropbox, Inc.
18225970 INSTANCE RECOMMENDATIONS FOR MACHINE LEARNING WORKLOADS Final Rejection ADOBE INC.
18581036 METHOD FOR CLASSIFYING QUALITY OF BIOLOGICAL SENSOR DATA Non-Final OA Hoffmann-La Roche Inc.
18522910 SYSTEM AND METHOD OF CREATING INTERPRETABLE LATENT REPRESENTATIONS OF AN ARTIFICIAL INTELLIGENCE MODEL Non-Final OA AUTOBRAINS TECHNOLOGIES LTD.

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