Prosecution Insights
Last updated: October 26, 2026

Chi Q Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, CHI Q

Tech Center 3600 • Art Units: 3633 3635 3636 3642 3671

This examiner grants 82% of resolved cases

Analysis

NGUYEN, CHI Q works in Technology Center 3600 and Art Unit 3633. The profile contains 2067 resolved cases, providing a substantial basis for evaluating prosecution outcomes. The allowance rate is 82.4%, indicating that most resolved matters reached allowance. The median time to allowance is 810 days, which offers a useful timing reference for applicants planning related filings and commercial decisions.

Interviews are associated with a 12.4% lift in allowance outcomes. Counsel may find them useful for clarifying technical issues, while preserving a strong written record through targeted amendments and arguments. The leading companies are The Chamberlain Group LLC, Tokyo Electron Limited, and Ceraloc Innovation AB. The leading firms are DORITY & MANNING, P.A. & The Chamberlain Group LLC, Boone IP Law, PLLC, and Paratus Law Group, PLLC.

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

Performance Statistics

82.4%
Allow Rate
+30.4% vs TC avg
2,123
Total Applications
+12.4%
Interview Lift
810
Avg Prosecution Days
Based on 2067 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
28.5%
§102 Novelty
26.1%
§103 Obviousness
31.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19065608 Nonwoven Surface Covering Elements Having Tongue And Groove Non-Final OA SHAW INDUSTRIES GROUP, INC.
19034028 Sloped Edge On Decorative Articles With A Rigid Base And A Decor That Is Digitally Printed Thereon Non-Final OA Shaw Industries Group, Inc.
18986780 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD Non-Final OA Tokyo Electron Limited
18944017 PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD Non-Final OA Tokyo Electron Limited
18542297 LINTEL BLOCK WITH LOST EDGE Final Rejection SAINT-GOBAIN CERAMICS & PLASTICS, INC.

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Frequently Asked Questions

What is examiner Chi Q Nguyen's allowance rate?

82.4% of resolved applications examined by Chi Q Nguyen were allowed (2,067 resolved cases), compared with 57.2% across Art Unit 3633 over the last five years.

Does an interview help with examiner Chi Q Nguyen?

This examiner's interview lift is +12.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Chi Q Nguyen took 810 days on average from filing to allowance.

Which art unit does examiner Chi Q Nguyen work in?

Chi Q Nguyen examines applications in Art Unit 3633 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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