Prosecution Insights
Last updated: October 26, 2026

Brian Thai-Binh Khong, USPTO Patent Examiner

Listed by the USPTO as KHONG, BRIAN THAI-BINH

Tech Center 3700 • Art Units: 3782 3785

This examiner grants 67% of resolved cases

Analysis

KHONG, BRIAN THAI-BINH is a USPTO patent examiner in tech center 3700 and art unit 3782. The profile records 303 resolved cases, an allowance rate of 66.7%, and a median of 1122 days to allowance. Interview lift is 37.2%, showing a higher allowance outcome for interview-associated cases than for the corresponding cases without interviews.

The listed companies are Pneuma Respiratory Inc., Fisher & Paykel Healthcare Limited, and RESMED Pty Ltd. The leading firms are Knobbe, Martens, Olson & Bear, LLP, NIXON & VANDERHYE, PC, and FOLEY & LARDNER LLP. The interview result supports giving examiner dialogue meaningful consideration in prosecution planning. The allowance rate and median timing provide additional context for claim strategy, budgeting, and client scheduling.

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

Performance Statistics

66.7%
Allow Rate
-3.3% vs TC avg
335
Total Applications
+37.2%
Interview Lift
1122
Avg Prosecution Days
Based on 303 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
17.8%
§102 Novelty
42.2%
§103 Obviousness
28.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18293977 HEAD WEARABLE AIR PURIFIER Non-Final OA Dyson Technology Limited

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Frequently Asked Questions

What is examiner Brian Thai-Binh Khong's allowance rate?

66.7% of resolved applications examined by Brian Thai-Binh Khong were allowed (303 resolved cases), compared with 0.0% across Art Unit 3782 over the last five years.

Does an interview help with examiner Brian Thai-Binh Khong?

This examiner's interview lift is +37.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian Thai-Binh Khong take to allow a patent?

Applications allowed by Brian Thai-Binh Khong took 1,122 days on average from filing to allowance.

Which art unit does examiner Brian Thai-Binh Khong work in?

Brian Thai-Binh Khong examines applications in Art Unit 3782 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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