Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, TUAN N

Tech Center 3700 • Art Units: 2828 3751 3754

This examiner grants 68% of resolved cases

Analysis

In Art Unit 2828, Tuan N Nguyen has resolved 1694 cases with an allowance rate of 68.1 percent. This examiner, part of Tech Center 3700, has a performance profile that provides a reliable baseline for predicting prosecution outcomes. These 1694 resolved cases represent a significant body of work, offering practitioners a high degree of confidence in the examiner's established grant patterns.

The median days to allowance is 981, serving as a benchmark for the expected time from filing to patent issuance. This 981-day figure is an essential metric for managing client expectations and planning the various stages of the prosecution process. It indicates that the examiner maintains a standard pace of work across a high volume of applications in this technical field.

The interview lift of 26.2 percent suggests that direct engagement is a very effective strategy for moving cases toward allowance. This 26.2 percent increase over the 68.1 percent allowance rate indicates that interviews can significantly improve the probability of a grant by allowing for real-time clarification. Practitioners should leverage the 981-day median pendency and this high interview lift to optimize their overall strategy.

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
1,715
Total Applications
+26.3%
Interview Lift
981
Avg Prosecution Days
Based on 1696 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
26.6%
§102 Novelty
46.9%
§103 Obviousness
20.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18965256 SHOWER CONTROL SYSTEM Non-Final OA Kohler Co.
19072351 HEATER FOR POOLS AND SPAS WITH IMPROVED SENSOR CONTROL Non-Final OA ZODIAC POOL SYSTEMS LLC
18917459 EXPANDABLE ANCHOR BOLT SYSTEM AND TOILET INSTALLATION METHOD Final Rejection Sunmax Products, Inc.

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