Prosecution Insights
Last updated: October 25, 2026

Khoa D Huynh, USPTO Patent Examiner

Listed by the USPTO as HUYNH, KHOA D

Tech Center 3700 • Art Units: 3732 3751 3765

This examiner grants 18% of resolved cases

Analysis

HUYNH, KHOA D is assigned to art unit 3732 in tech center 3700 and has 282 resolved cases. The allowance rate is 18.1%, with a median of 1202 days to allowance. The record indicates that allowance has been infrequent and that prosecution may require substantial time and deliberate claim management.

The interview lift is 20.7%, a positive signal relative to the 18.1% allowance rate. Practitioners may give interviews a defined role in identifying potentially allowable distinctions, while pairing them with carefully targeted written amendments. The listed companies are Alpinestars Research S P A, Under Armour Inc., and Force3 Pro Gear. The listed firms are Edell Shapiro & Finnan LLC, FREDRIKSON & BYRON, P.A., and McMillan LLP.

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

Performance Statistics

18.1%
Allow Rate
-51.9% vs TC avg
302
Total Applications
+20.7%
Interview Lift
1202
Avg Prosecution Days
Based on 282 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
23.1%
§102 Novelty
44.7%
§103 Obviousness
26.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19169772 FOOTWEAR WITH TRANSFORMABLE SOLE SYSTEM Non-Final OA Individual inventor
18981149 PROTECTIVE HEADWEAR Non-Final OA Individual inventor
18781084 HAIR COVERING Final Rejection Individual inventor
18647449 FOOTWEAR INCLUDING AN ATTACHED BLADE Non-Final OA Individual inventor
18198396 Socks Designed For Soccer Non-Final OA Individual inventor
19051719 Sole Structure With Bottom-Loaded Compression Final Rejection Under Armour, Inc.
18682047 KNEE BRACE Final Rejection ALPINESTARS RESEARCH S.P.A.
19320708 LEG PROTECTOR Non-Final OA Force3 Pro Gear
18321590 FOOTWEAR Non-Final OA RACBAKI, INC.
17665103 INTIMATE CONCEALER DEVICE Final Rejection Coanhe, Ltd.
16971346 Zippered Garment Providing Selective Access Final Rejection Naismith Systems Inc.

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Frequently Asked Questions

What is examiner Khoa D Huynh's allowance rate?

18.1% of resolved applications examined by Khoa D Huynh were allowed (282 resolved cases), compared with 52.0% across Art Unit 3732 over the last five years.

Does an interview help with examiner Khoa D Huynh?

This examiner's interview lift is +20.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Khoa D Huynh take to allow a patent?

Applications allowed by Khoa D Huynh took 1,202 days on average from filing to allowance.

Which art unit does examiner Khoa D Huynh work in?

Khoa D Huynh examines applications in Art Unit 3732 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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