Prosecution Insights
Last updated: October 26, 2026

Nghia M Doan, USPTO Patent Examiner

Listed by the USPTO as DOAN, NGHIA M

Tech Center 2800 • Art Units: 2189 2825 2851

This examiner grants 87% of resolved cases

Analysis

DOAN, NGHIA M works in tech center 2800 and art unit 2189. The record includes 1028 resolved cases, an 87.1% allowance rate, and a median of 888 days to allowance. The 16.8% interview lift indicates that interviews are associated with a measurable increase in allowance outcomes in this portfolio.

The leading companies are Samsung Electronics Co., Ltd., Volvo Group, and Nanjing Chervon Industry Co., Ltd. The leading firms are ARENTFOX SCHIFF LLP, DINSMORE & SHOHL LLP, and FISH & RICHARDSON P.C. (TC). Practitioners handling work in this art unit can use the profile to identify recurring prosecution participants and consider interview practice alongside claim and amendment strategy.

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

Performance Statistics

87.1%
Allow Rate
+19.1% vs TC avg
1,049
Total Applications
+16.8%
Interview Lift
888
Avg Prosecution Days
Based on 1028 resolved cases, 2023–2026

Rejection Statute Breakdown

12.7%
§101 Eligibility
28.2%
§102 Novelty
30.0%
§103 Obviousness
20.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18534390 METHOD AND SYSTEM OF DESIGNING INTEGRATED CIRCUIT Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18222734 MULTI-THRESHOLD INTEGRATED CIRCUIT AND METHOD OF DESIGNING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18616651 INTEGRATED POWER CONVERSION TOPOLOGY FOR ELECTRIC VEHICLES Non-Final OA Volvo Car Corporation
18628331 QUANTUM COMPUTING PROGRAM COMPILATION USING CACHED COMPILED QUANTUM CIRCUIT FILES Non-Final OA Amazon Technologies, Inc.
18340662 METHODS, SYSTEMS, APPARATUS, AND ARTICLES OF MANUFACTURE TO VALIDATE TIMING CONSTRAINTS FOR AN INTEGRATED CIRCUIT Non-Final OA Intel Corporation
18028413 HOLDING DEVICE FOR ARRANGEMENT ON A BATTERY PACK OF A MACHINE TOOL Final Rejection Festool GmbH
18436602 CIRCUITS AND METHODS FOR REDUCING THE EFFECTS OF VARIATION IN INTER-DIE COMMUNICATION IN 3D-STACKED SYSTEMS Non-Final OA Meta Platforms Technologies, LLC
18535546 INTEGRATED CIRCUIT AND METHOD OF MANUFACTURING SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18540188 VEHICLE AND CHARGING METHOD THEREFOR AND STORAGE MEDIUM Non-Final OA BYD COMPANY LIMITED
18087443 DIGITAL ULTRAVIOLET LITHOGRAPHY METHOD AND APPARATUS Final Rejection The Hong Kong Polytechnic University

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Frequently Asked Questions

What is examiner Nghia M Doan's allowance rate?

87.1% of resolved applications examined by Nghia M Doan were allowed (1,028 resolved cases), compared with 72.3% across Art Unit 2189 over the last five years.

Does an interview help with examiner Nghia M Doan?

This examiner's interview lift is +16.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nghia M Doan take to allow a patent?

Applications allowed by Nghia M Doan took 888 days on average from filing to allowance.

Which art unit does examiner Nghia M Doan work in?

Nghia M Doan examines applications in Art Unit 2189 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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