Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, HENRY K

Tech Center 4100 • Art Units: 2121 2147 4100

This examiner grants 59% of resolved cases

Analysis

NGUYEN, HENRY K operates within Tech Center 4100 and Art Unit 2121, where they have managed 167 resolved cases. This volume of cases indicates the examiner's level of experience in handling patent applications within this technology sector. The examiner maintains an allowance rate of 59.3 percent, which provides a baseline for the probability of securing a patent grant. This percentage suggests the likelihood that an application reaching a final disposition will be allowed. Practitioners can use this figure to gauge the general receptivity of the examiner to patentable subject matter.

The data shows an interview lift of 26.5 percent, indicating how direct communication correlates with the probability of success. The interview lift of 26.5 percent is lower than the 59.3 percent allowance rate, which helps determine the relative impact of verbal engagement. The median days to allowance stands at 1641, providing a timeline expectation for the prosecution process from filing to grant. This duration reflects the typical pendency for successful applications. Understanding these metrics allows for a more informed strategy when navigating the examination process with this examiner.

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

Performance Statistics

59.3%
Allow Rate
-0.7% vs TC avg
189
Total Applications
+26.5%
Interview Lift
1641
Avg Prosecution Days
Based on 167 resolved cases, 2023–2026

Rejection Statute Breakdown

21.1%
§101 Eligibility
7.8%
§102 Novelty
53.6%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18297180 ELECTRONIC DEVICE AND CONTROLLING METHOD OF ELECTRONIC DEVICE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18022720 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
17216891 Partially customized machine learning models for data de-identification Non-Final OA Google LLC
17218035 TRAINING AND SCORING FOR LARGE NUMBER OF PERFORMANCE MODELS Non-Final OA International Business Machines Corporation
15010439 NUMERICAL EXPRESSION ANALYSIS Final Rejection International Business Machines Corporation
18376532 QUANTUM INTERIOR POINT METHOD Non-Final OA Goldman Sachs & Co. LLC
17975108 HYPERPARAMETER TUNING WITH DYNAMIC PRINCIPAL COMPONENT ANALYSIS Final Rejection Dell Products L.P.
17032372 CONFIGURING A POWER MANAGEMENT SYSTEM USING REINFORCEMENT LEARNING Final Rejection ATI TECHNOLOGIES ULC
18099631 SUSTAINABLE CONTINUAL LEARNING WITH DETECTION AND KNOWLEDGE REPURPOSING OF SIMILAR TASKS Non-Final OA Duke University

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