Prosecution Insights
Last updated: October 26, 2026

Loi H Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, LOI H

Tech Center 3700 • Art Units: 2445 2456 2484 3772

This examiner grants 65% of resolved cases

Analysis

TRAN, LOI H is assigned to Tech Center 3700 and Art Unit 2445. The profile covers 629 resolved cases, with a 65.0% allowance rate and a 23.5% interview lift. The median time to allowance is 1017 days. These figures show a substantial prosecution history, an allowance outcome above half of the reported cases, and an interview effect that supports treating examiner interviews as a meaningful part of response planning.

The principal companies are Panasonic Holdings Corporation, Comcast Cable Communications LLC, and Beijing Zitiao Network Technology Co., Ltd. The leading firms are BANNER & WITCOFF , LTD, OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., and Astute IP Law Group. Counsel may find value in aligning interview preparation with narrowly targeted amendments and in studying how claim scope is preserved through successive office-action responses.

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

Performance Statistics

65.0%
Allow Rate
-5.0% vs TC avg
663
Total Applications
+23.5%
Interview Lift
1017
Avg Prosecution Days
Based on 629 resolved cases, 2023–2026

Rejection Statute Breakdown

8.1%
§101 Eligibility
9.2%
§102 Novelty
66.1%
§103 Obviousness
14.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18913939 METHOD, DEVICE, APPARATUS AND STORAGE MEDIUM FOR VIDEO PRODUCTION Final Rejection Beijing Zitiao Network Technology Co., Ltd.
19052373 SYSTEM FOR MONITORING EVENT RELATED DATA Final Rejection NEC Corporation
19482281 VIDEO SIGNAL PROCESSING DEVICE, VIDEO SIGNAL PROCESSING METHOD, AND RECORDING MEDIUM Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19120113 DISTANCE MEASURING DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18352718 SYNCHRONIZING SOUND WITH VOLUMETRIC MEDIA CONTENTS Non-Final OA International Business Machines Corporation
18918408 LANGUAGE INSTRUCTED TEMPORAL LOCALIZATION IN VIDEO USING IMAGE TOKENS, VIDEO TOKENS, AND/OR SOFT CROSS ENTROPY LOSS Non-Final OA NVIDIA Corporation
19206352 HOLOGRAM GENERATION METHOD, HOLOGRAM GENERATION APPARATUS, AND LIGHT IRRADIATION APPARATUS Final Rejection HAMAMATSU PHOTONICS K.K.

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Frequently Asked Questions

What is examiner Loi H Tran's allowance rate?

65.0% of resolved applications examined by Loi H Tran were allowed (629 resolved cases), compared with 69.5% across Art Unit 2445 over the last five years.

Does an interview help with examiner Loi H Tran?

This examiner's interview lift is +23.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Loi H Tran took 1,017 days on average from filing to allowance.

Which art unit does examiner Loi H Tran work in?

Loi H Tran examines applications in Art Unit 2445 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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