Prosecution Insights
Last updated: October 26, 2026

Khoi H Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, KHOI H

Tech Center 3600 • Art Units: 3600 3651 3656 3661 3664 3667

This examiner grants 55% of resolved cases

Analysis

TRAN, KHOI H is assigned to tech center 3600 and art unit 3600. Across 73 resolved cases, the allowance rate is 54.8% and the interview lift is 17.8%. The median time to allowance is 1300 days. The profile shows an allowance measure near an even outcome and a positive interview association, with a timeline that supports early attention to prosecution scheduling.

The recurring companies are Sony Group Corporation, Waymo LLC, and Kuka Systems GmbH. The leading firms are Dorton & Willis LLP, SCHOX PC, and TUCKER ELLIS LLP. The limited record and technology mix make this profile most useful for targeted planning in robotics, automotive, and electronics matters.

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

Performance Statistics

54.8%
Allow Rate
+2.8% vs TC avg
89
Total Applications
+17.8%
Interview Lift
1300
Avg Prosecution Days
Based on 73 resolved cases, 2023–2026

Rejection Statute Breakdown

9.0%
§101 Eligibility
24.0%
§102 Novelty
47.1%
§103 Obviousness
16.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18848142 HIGH SPEED ACTUATOR-BASED ITEM REGISTRATION SYSTEM Final Rejection Sony Semiconductor Solutions Corporation

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Frequently Asked Questions

What is examiner Khoi H Tran's allowance rate?

54.8% of resolved applications examined by Khoi H Tran were allowed (73 resolved cases), compared with 38.8% across Art Unit 3600 over the last five years.

Does an interview help with examiner Khoi H Tran?

This examiner's interview lift is +17.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Khoi H Tran take to allow a patent?

Applications allowed by Khoi H Tran took 1,300 days on average from filing to allowance.

Which art unit does examiner Khoi H Tran work in?

Khoi H Tran examines applications in Art Unit 3600 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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