Prosecution Insights
Last updated: October 27, 2026

Hau H Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HAU H

Tech Center 2600 • Art Units: 2196 2611 2628 2677

This examiner grants 90% of resolved cases

Analysis

NGUYEN, HAU H works in Technology Center 2600 and Art Unit 2196. The record covers 923 resolved cases and reports a 90.1% allowance rate, indicating that allowance is the prevailing outcome across substantial activity. The median time to allowance is 915 days, which provides a useful planning reference for applicants managing prosecution and related portfolio decisions.

Interviews are associated with an 8.3% lift in allowance outcomes. Practitioners may use them to address focused questions, while treating written claim analysis and response development as the primary prosecution work. The leading companies are Apple Inc., BOE Technology Group Co., Ltd., and AUMOVIO Germany GmbH. Leading firms are IPro, PLLC, Paratus Law Group, PLLC, and Pillsbury Winthrop Shaw Pittman, LLP.

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

Performance Statistics

90.1%
Allow Rate
+28.1% vs TC avg
938
Total Applications
+8.3%
Interview Lift
915
Avg Prosecution Days
Based on 923 resolved cases, 2023–2026

Rejection Statute Breakdown

5.7%
§101 Eligibility
19.7%
§102 Novelty
60.4%
§103 Obviousness
3.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19071182 SYSTEM AND METHOD OF THREE-DIMENSIONAL IMMERSIVE APPLICATIONS IN MULTI-USER COMMUNICATION SESSIONS Non-Final OA Apple Inc.
19045523 MACHINE-LEARNING BASED SKIN DETECTION AND MODIFICATION FOR IMAGES Non-Final OA Apple Inc.
18435716 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18994621 INFORMATION PROCESSING SYSTEM, OPERATION METHOD OF INFORMATION PROCESSING SYSTEM, AND PROGRAM Non-Final OA Sony Group Corporation
18992522 METHOD AND APPARATUS FOR GENERATING VIRTUAL EXPRESSION, ELECTRONIC DEVICE, AND STORAGE MEDIUM Non-Final OA BOE Technology Group Co., Ltd.
18802071 METHOD AND APPARATUS FOR PROCESSING IMAGE, AND STORAGE MEDIUM Final Rejection BOE Technology Group Co., Ltd.
19045311 SEARCHING AUGMENTED REALITY EXPERIENCES USING VISUAL EMBEDDINGS Non-Final OA Snap Inc.

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Frequently Asked Questions

What is examiner Hau H Nguyen's allowance rate?

90.1% of resolved applications examined by Hau H Nguyen were allowed (923 resolved cases), compared with 71.7% across Art Unit 2196 over the last five years.

Does an interview help with examiner Hau H Nguyen?

This examiner's interview lift is +8.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Hau H Nguyen took 915 days on average from filing to allowance.

Which art unit does examiner Hau H Nguyen work in?

Hau H Nguyen examines applications in Art Unit 2196 in Tech Center 2600 (Communications).

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