Prosecution Insights
Last updated: October 26, 2026

Trung Q Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, TRUNG Q

Tech Center 2800 • Art Units: 2829 2858 2866 2893

This examiner grants 91% of resolved cases

Analysis

NGUYEN, TRUNG Q is assigned to USPTO Technology Center 2800 and art unit 2829. The profile records 867 resolved cases and an allowance rate of 91.0%. The median time to allowance is 908 days. Interview lift is 6.2%, showing a limited but positive association between interviews and allowance outcomes.

The listed companies are LG Energy Solution Ltd., Slenergy Technology (A H ) Co. Ltd., and MILWAUKEE ELECTRIC TOOL Corporation. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Barley Snyder, and Berg Hill Greenleaf & Ruscitti LLP. The high allowance rate provides a favorable signal for applicants, while the interview result suggests that interviews may be most useful when directed to a specific unresolved point. Practitioners can emphasize clear claim drafting and written responses, using interviews to confirm technical understanding rather than relying on them as the principal prosecution tool. The median timing remains relevant for portfolio scheduling.

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
900
Total Applications
+6.2%
Interview Lift
908
Avg Prosecution Days
Based on 867 resolved cases, 2023–2026

Rejection Statute Breakdown

8.3%
§101 Eligibility
19.6%
§102 Novelty
55.7%
§103 Obviousness
9.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19190002 RECEIVE COIL UNIT AND MAGNETIC RESONANCE IMAGING APPARATUS Non-Final OA FUJIFILM Corporation
19018504 DETECTING BATTERY PACK TYPE BASED ON BATTERY PACK IMPEDANCE Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
19027711 Switchgear Event Detection System Non-Final OA ABB Schweiz AG
19056507 BATTERY SYSTEM DIAGNOSING APPARATUS AND METHOD Non-Final OA LG ENERGY SOLUTION, LTD.
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.
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.
19089557 Inspection Tool Non-Final OA Tyco Electronics (Shanghai) Co., Ltd.
18864828 COMBINER DEVICE, PHOTOVOLTAIC SYSTEM AND FAULT DETECTION METHOD Non-Final OA SUNGROW POWER SUPPLY CO., LTD.

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Frequently Asked Questions

What is examiner Trung Q Nguyen's allowance rate?

91.0% of resolved applications examined by Trung Q Nguyen were allowed (867 resolved cases), compared with 53.7% across Art Unit 2829 over the last five years.

Does an interview help with examiner Trung Q Nguyen?

This examiner's interview lift is +6.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Trung Q Nguyen take to allow a patent?

Applications allowed by Trung Q Nguyen took 908 days on average from filing to allowance.

Which art unit does examiner Trung Q Nguyen work in?

Trung Q Nguyen examines applications in Art Unit 2829 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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