Prosecution Insights
Last updated: October 27, 2026

Phillip H Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, PHILLIP H

Tech Center 2100 • Art Units: 2191 2198

This examiner grants 91% of resolved cases

Analysis

NGUYEN, PHILLIP H is a USPTO patent examiner in tech center 2100 and art unit 2191. The record contains 613 resolved cases and a 90.7% allowance rate. Median time to allowance is 1031 days. Interview lift is 11.5%, lower than the allowance rate but relevant as a secondary prosecution signal. The profile supports emphasizing precise claim drafting while preserving interviews as an available tool when issues remain unsettled.

The principal companies are Beijing Zitiao Network Technology Co., Ltd., International Business Machines Corporation, and T-Mobile USA Inc. The leading firms are JCIPRNET, M&B IP Analysts, LLC, and PATTERSON + SHERIDAN, L.L.P. - CIRCLE. The 1031-day median should inform portfolio forecasts even with the high allowance rate.

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

Performance Statistics

90.7%
Allow Rate
+35.7% vs TC avg
629
Total Applications
+11.5%
Interview Lift
1031
Avg Prosecution Days
Based on 613 resolved cases, 2023–2026

Rejection Statute Breakdown

16.3%
§101 Eligibility
30.4%
§102 Novelty
41.5%
§103 Obviousness
7.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18822786 APPLICATION CREATION Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18802596 MULTI-FILE BASED GAME DEVELOPMENT ENVIRONMENT USING LARGE LANGUAGE MODELS Non-Final OA Sony Interactive Entertainment LLC
18213663 FAULT LOCALIZATION USING DOUBLE N-WISE COMBINATORIAL TESTING WITH CONSTRAINTS Non-Final OA International Business Machines Corporation
18678587 SOFTWARE APPLICATION TESTING WITH FLAKY TEST CASE DETECTION Non-Final OA SAP SE
18911103 UNITARY TEST PROTOCOLS FOR SOFTWARE PROGRAM APPLICATIONS Non-Final OA T-Mobile USA, Inc.
18799014 AUTOMATED TEST SCRIPT GENERATION WITH MACHINE LEARNING BASED MAPPING OF TEST STEPS TO CODE FUNCTIONS Non-Final OA Dell Products L.P.

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Frequently Asked Questions

What is examiner Phillip H Nguyen's allowance rate?

90.7% of resolved applications examined by Phillip H Nguyen were allowed (613 resolved cases), compared with 75.5% across Art Unit 2191 over the last five years.

Does an interview help with examiner Phillip H Nguyen?

This examiner's interview lift is +11.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Phillip H Nguyen take to allow a patent?

Applications allowed by Phillip H Nguyen took 1,031 days on average from filing to allowance.

Which art unit does examiner Phillip H Nguyen work in?

Phillip H Nguyen examines applications in Art Unit 2191 in Tech Center 2100 (Computing & Software).

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