Prosecution Insights
Last updated: October 27, 2026

Tuan S Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, TUAN S

Tech Center 2100 • Art Units: 2144 2145 2171 2179

This examiner grants 65% of resolved cases

Analysis

NGUYEN, TUAN S works in USPTO Technology Center 2100, art unit 2144. The record includes 328 resolved cases, an allowance rate of 64.9%, and a median of 1225 days to allowance. Interview lift is 38.5%, indicating a strong positive association between interviews and allowance outcomes in the available cases.

The listed companies are Beijing Zitiao Network Technology Co., Ltd., Samsung Display Co., Ltd., and Sonos Inc. The listed firms are Astute IP Law Group, BakerHostetler, and CANTOR COLBURN LLP. The allowance rate suggests that applicants may encounter substantive prosecution resistance, while the interview result identifies examiner engagement as an important tactical option. Practitioners should use interviews to isolate the technical or legal issues that prevent allowance, then reflect the discussion in precise amendments and written arguments. The median timing indicates that applicants should plan for sustained prosecution and avoid relying on rapid resolution for portfolio or product decisions.

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

Performance Statistics

64.9%
Allow Rate
+9.9% vs TC avg
344
Total Applications
+38.5%
Interview Lift
1225
Avg Prosecution Days
Based on 328 resolved cases, 2023–2026

Rejection Statute Breakdown

10.5%
§101 Eligibility
16.8%
§102 Novelty
58.0%
§103 Obviousness
9.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19295953 METHOD FOR GENERATING TABLE FIELD CONTENT, STORAGE MEDIUM, AND ELECTRONIC DEVICE Final Rejection Beijing Zitiao Network Technology Co., Ltd.
18399603 PORTABLE DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18754031 MEDIA CONTENT CURATION BASED ON SAMPLE MEDIA ITEM(S) Non-Final OA Sonos, Inc.
18763959 SEARCHING DIGITAL CONTENT Non-Final OA Dropbox, Inc.
18657496 LABEL DISPLAY METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE MEDIUM Final Rejection Beijing Bytedance Network Technology Co., Ltd.

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Frequently Asked Questions

What is examiner Tuan S Nguyen's allowance rate?

64.9% of resolved applications examined by Tuan S Nguyen were allowed (328 resolved cases), compared with 60.2% across Art Unit 2144 over the last five years.

Does an interview help with examiner Tuan S Nguyen?

This examiner's interview lift is +38.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tuan S Nguyen take to allow a patent?

Applications allowed by Tuan S Nguyen took 1,225 days on average from filing to allowance.

Which art unit does examiner Tuan S Nguyen work in?

Tuan S Nguyen examines applications in Art Unit 2144 in Tech Center 2100 (Computing & Software).

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