Prosecution Insights
Last updated: October 27, 2026

Chuong P Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, CHUONG P

Tech Center 3600 • Art Units: 3646 3663 3665

This examiner grants 79% of resolved cases

Analysis

NGUYEN, CHUONG P works in Technology Center 3600 and Art Unit 3646. Across 995 resolved cases, the allowance rate is 79.2%, showing that allowance is frequent in the available record. The median time to allowance is 1236 days, which makes early docket planning important even for applicants with a favorable outcome expectation.

Interviews correspond to a 13.3% lift in allowance outcomes. That relationship supports using interviews to address focused prosecution questions, particularly when a direct technical explanation may improve the examiner’s understanding. The leading companies are Qualcomm Incorporated, Toyota Motor Corporation, and MSA Safety Incorporated. Leading firms are Weaver Austin Villeneuve & Sampson LLP - QUAL, BRAKE HUGHES BELLERMANN LLP, and DiBerardino McGovern IP Group LLC.

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

Performance Statistics

79.2%
Allow Rate
+27.2% vs TC avg
1,034
Total Applications
+13.3%
Interview Lift
1236
Avg Prosecution Days
Based on 995 resolved cases, 2023–2026

Rejection Statute Breakdown

14.3%
§101 Eligibility
15.4%
§102 Novelty
38.9%
§103 Obviousness
29.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18986748 LOCATING METHOD Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19394801 DETERMINING CORRECT LOCATION IN THE PRESENCE OF GNSS SPOOFING Final Rejection QUALCOMM Incorporated
18989253 QUALIFIED JAMMING SIGNAL DETECTION Non-Final OA QUALCOMM Incorporated
18847401 FEASIBILITY OF SENSING IN A SENSING-COMMUNICATION SYSTEM Non-Final OA QUALCOMM Incorporated
18780942 INCREASED POSITIONING RESOLUTION Non-Final OA QUALCOMM Incorporated
18559533 LOW-EARTH ORBIT (LEO) SATELLITE POSITION, VELOCITY, AND TIME (PVT) DETERMINATION FOR LEO-BASED POSITIONING Final Rejection QUALCOMM Incorporated
18262362 MEASUREMENT REPORT WITH MEASUREMENT INDICATIONS FOR MULTIPLE SUB-BANDS OF A REFERENCE SIGNAL FOR POSITIONING RESOURCE Non-Final OA QUALCOMM Incorporated
18651285 TRACKING PERFORMANCE IMPROVEMENT BY COMBINING COMPONENTS OF A GLOBAL NAVIGATION SATELLITE SYSTEM SIGNAL Non-Final OA Avago Technologies International Sales Pte. Limited
18227728 METHODS AND APPARATUS FOR ASCERTAINING LOCATIONS OF UNKNOWN RADIO FREQUENCY EMITTERS USING SOFTWARE DEFINED RADIO (SDR) AMPLITUDE MEASUREMENTS Final Rejection The United States of America, as represented by the Secretary of the Navy
19044892 RADAR SYSTEM IMPLEMENTING SEGMENTED CHIRPS AND PHASE COMPENSATION FOR OBJECT MOVEMENT Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18560851 ENHANCEMENTS ON SATELLITE POSITIONING MEASUREMENT Non-Final OA Nokia Technologies Oy
18502511 POSITIONING DEVICE, POSITIONING METHOD, AND POSITIONING PROGRAM Final Rejection FURUNO ELECTRIC CO., LTD.
18805974 POSITION TRACKING SYSTEM AND METHOD USING RADIO SIGNALS AND INERTIAL SENSING Non-Final OA Position Imaging, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Chuong P Nguyen's allowance rate?

79.2% of resolved applications examined by Chuong P Nguyen were allowed (995 resolved cases), compared with 54.4% across Art Unit 3646 over the last five years.

Does an interview help with examiner Chuong P Nguyen?

This examiner's interview lift is +13.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Chuong P Nguyen take to allow a patent?

Applications allowed by Chuong P Nguyen took 1,236 days on average from filing to allowance.

Which art unit does examiner Chuong P Nguyen work in?

Chuong P Nguyen examines applications in Art Unit 3646 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month