Prosecution Insights
Last updated: October 27, 2026

Tuan H Le, USPTO Patent Examiner

Listed by the USPTO as LE, TUAN H

Tech Center 2600 • Art Units: 2622 2638 2662 2697 2699

This examiner grants 75% of resolved cases

Analysis

LE, TUAN H works in Tech Center 2600 and Art Unit 2622. The record covers 419 resolved cases, with an allowance rate of 74.7% and a median of 1142 days to allowance. Interviews are associated with a 26.1% lift in allowance outcomes. The data points to a prosecution setting where interviews may materially affect case positioning.

The recorded companies are Canon Inc., GoPro Inc., and Adeia Imaging LLC. The listed firms are GoPro, Inc. at Young Basile, HG Law LLP (Adeia), and Muir Patent Law, PLLC. Counsel can use the allowance history and pendency figure to plan response timing, while considering interviews for matters where direct clarification may be more effective than successive written amendments.

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

Performance Statistics

74.7%
Allow Rate
+12.7% vs TC avg
427
Total Applications
+26.1%
Interview Lift
1142
Avg Prosecution Days
Based on 419 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
26.8%
§102 Novelty
55.7%
§103 Obviousness
8.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19173858 PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, MOVING BODY, EQUIPMENT, AND METHOD OF DRIVING PHOTOELECTRIC CONVERSION APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19189752 INTERCHANGEABLE LENS MODULE Non-Final OA GoPro, Inc.
18541564 SYSTEMS AND METHODS FOR HIGH DYNAMIC RANGE IMAGING SENSING Non-Final OA Adeia Imaging LLC
18791559 HIGH-SPEED IMAGING APPARATUS AND ACCESSORY DEVICE FOR USE WITH THE SAME Non-Final OA SHIMADZU CORPORATION

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Frequently Asked Questions

What is examiner Tuan H Le's allowance rate?

74.7% of resolved applications examined by Tuan H Le were allowed (419 resolved cases), compared with 70.9% across Art Unit 2622 over the last five years.

Does an interview help with examiner Tuan H Le?

This examiner's interview lift is +26.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tuan H Le take to allow a patent?

Applications allowed by Tuan H Le took 1,142 days on average from filing to allowance.

Which art unit does examiner Tuan H Le work in?

Tuan H Le examines applications in Art Unit 2622 in Tech Center 2600 (Communications).

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