Prosecution Insights
Last updated: October 27, 2026

Sean H Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, SEAN H

Tech Center 2600 • Art Units: 2651 2691

This examiner grants 86% of resolved cases

Analysis

NGUYEN, SEAN H is a USPTO patent examiner in tech center 2600 and art unit 2651. The record includes 621 resolved cases and an 86.5% allowance rate. Median time to allowance is 748 days. Interview lift is 4.8%, lower than the allowance rate and limited within this profile. The figures support an approach centered on well-developed written claims, with interviews used selectively when they address a defined issue.

The main companies are AAC Technologies Holdings Inc., Shenzhen Shokz Co., Ltd., and Google LLC. The leading firms are Wiersch Law Group, BIRCH STEWART KOLASCH & BIRCH, LLP, and GOLDSTEIN LAW OFFICES, P.C. The 748-day median provides a comparatively direct timing reference for prosecution and portfolio planning.

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

Performance Statistics

86.5%
Allow Rate
+24.5% vs TC avg
640
Total Applications
+4.8%
Interview Lift
748
Avg Prosecution Days
Based on 621 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
27.5%
§102 Novelty
52.7%
§103 Obviousness
11.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18967164 ELECTROACOUSTIC TRANSDUCER Non-Final OA FUJIFILM Corporation
18794812 PASSIVE THERMAL-CONTROL STRUCTURE FOR SPEAKERS AND ASSOCIATED APPARATUSES AND METHODS Non-Final OA Google LLC
18921422 HEADBAND FOR A WEARABLE ELECTRONIC DEVICE Non-Final OA Dyson Technology Limited
18999469 State Determination Method, Electronic Device, and Readable Storage Medium Non-Final OA VIVO MOBILE COMMUNICATION CO.,LTD.
19041842 CONSTRUCTION TECHNIQUES FOR HEARING INSTRUMENTS Non-Final OA Starkey Laboratories, Inc.
19083523 BONE CONDUCTION MICROPHONE Non-Final OA SHENZHEN SHOKZ CO., LTD.
19014177 EARPHONES Non-Final OA SHENZHEN SHOKZ CO., LTD.
19069293 HEARING AID Non-Final OA Oticon A/S

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Frequently Asked Questions

What is examiner Sean H Nguyen's allowance rate?

86.5% of resolved applications examined by Sean H Nguyen were allowed (621 resolved cases), compared with 69.6% across Art Unit 2651 over the last five years.

Does an interview help with examiner Sean H Nguyen?

This examiner's interview lift is +4.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Sean H Nguyen took 748 days on average from filing to allowance.

Which art unit does examiner Sean H Nguyen work in?

Sean H Nguyen examines applications in Art Unit 2651 in Tech Center 2600 (Communications).

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