Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, TRUNG Q

Tech Center 2800 • Art Units: 2829 2858 2866 2893

This examiner grants 91% of resolved cases

Analysis

In Art Unit 2829, Trung Q Nguyen has resolved 864 cases with a high allowance rate of 91.0 percent. This examiner, working in Tech Center 2800, has a performance profile that suggests a very high probability of success for applicants. The 864 resolved cases provide a robust statistical foundation for evaluating the examiner's tendencies and grant frequency.

The median days to allowance is 908, indicating a standard timeline for the technical areas covered by this examiner. This 908-day figure is a useful metric for practitioners to use when advising clients on the expected time from filing to patent issuance. It suggests that the examination process is relatively efficient and predictable for those seeking grants in this unit.

The interview lift of 6.2 percent indicates that direct communication is beneficial, even with a high baseline grant rate. This 6.2 percent increase over the 91.0 percent allowance rate suggests that interviews can help resolve final technical points and move the case toward allowance. Practitioners should account for the 908-day median when planning their prosecution timeline and considering the value of an interview.

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

Performance Statistics

91.0%
Allow Rate
+23.0% vs TC avg
879
Total Applications
+6.2%
Interview Lift
908
Avg Prosecution Days
Based on 864 resolved cases, 2023–2026

Rejection Statute Breakdown

8.1%
§101 Eligibility
19.2%
§102 Novelty
56.3%
§103 Obviousness
9.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19018504 DETECTING BATTERY PACK TYPE BASED ON BATTERY PACK IMPEDANCE Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18984686 BATTERY DIAGNOSING APPARATUS AND METHOD Non-Final OA LG ENERGY SOLUTION, LTD.
18543590 Battery Management Apparatus and Operating Method Thereof Non-Final OA LG Energy Solution, Ltd.
18692592 ESTIMATING BATTERY STATE OF HEALTH Non-Final OA Cummins Inc.
18855408 ABNORMALITY DETECTION DEVICE Non-Final OA Sumitomo Electric Industries, Ltd.
18807162 MAGNETIC FIELD SENSOR Non-Final OA BIOSENSE WEBSTER (ISRAEL) LTD.
18647151 SYSTEMS AND METHODS FOR TESTING SEMICONDUCTOR DEVICE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18782812 ELECTROMAGNETIC MAGNETIC SENSOR ASSEMBLY Non-Final OA Applied Materials, Inc.
19089557 Inspection Tool Non-Final OA Tyco Electronics (Shanghai) Co., Ltd.
18855995 TESTING APPARATUS Non-Final OA Johnson Controls Tyco IP Holdings LLP
18864828 COMBINER DEVICE, PHOTOVOLTAIC SYSTEM AND FAULT DETECTION METHOD Non-Final OA SUNGROW POWER SUPPLY CO., LTD.
19078630 TEST AND/OR MEASUREMENT SYSTEM Non-Final OA Rohde & Schwarz GmbH & Co. KG
18865451 MEASUREMENT DEVICE AND MEASUREMENT METHOD Non-Final OA Kyoto University

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