Prosecution Insights
Last updated: October 27, 2026

Tuan N Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, TUAN N

Tech Center 3700 • Art Units: 2828 3751 3754

This examiner grants 68% of resolved cases

Analysis

NGUYEN, TUAN N is assigned to USPTO Technology Center 3700 and art unit 2828. The profile records 1699 resolved cases and an allowance rate of 68.1%. The median time to allowance is 981 days. Interview lift is 26.4%, showing a meaningful positive association between interviews and allowance outcomes.

The listed companies are Bestway Inflatables & Material Corp., Zodiac Pool Systems LLC, and Kohler Co. The listed firms are Dickinson Wright PLLC - Washington DC, FOLEY & LARDNER LLP, and BANNER & WITCOFF, LTD. The allowance rate indicates a prosecution environment where claim scope and prior-art distinctions require careful development. The interview result supports using examiner discussions to test focused amendments and clarify technical points. The median timing provides a planning basis for managing client expectations, continuation decisions, and business timelines. A coordinated written and interview strategy may be useful for matters with commercially important claim scope.

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

Performance Statistics

68.1%
Allow Rate
-1.9% vs TC avg
1,725
Total Applications
+26.4%
Interview Lift
981
Avg Prosecution Days
Based on 1699 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
26.7%
§102 Novelty
46.5%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18965256 SHOWER CONTROL SYSTEM Non-Final OA Kohler Co.
19191192 INFLATABLE PRODUCT Non-Final OA BESTWAY INFLATABLES & MATERIAL CORP.
18742678 FRAME POOL AND SUPPORT ASSEMBLY THEREFOR Non-Final OA BESTWAY INFLATABLES & MATERIAL CORP.
18584677 WATER PIPE ADAPTER, A TANK ASSEMBLY, AND A TOILET APPARATUS Non-Final OA Kohler (China) Investment Co., Ltd.

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Frequently Asked Questions

What is examiner Tuan N Nguyen's allowance rate?

68.1% of resolved applications examined by Tuan N Nguyen were allowed (1,699 resolved cases), compared with 64.7% across Art Unit 2828 over the last five years.

Does an interview help with examiner Tuan N Nguyen?

This examiner's interview lift is +26.4 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 N Nguyen take to allow a patent?

Applications allowed by Tuan N Nguyen took 981 days on average from filing to allowance.

Which art unit does examiner Tuan N Nguyen work in?

Tuan N Nguyen examines applications in Art Unit 2828 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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