Prosecution Insights
Last updated: October 26, 2026

Thanh X Luu, USPTO Patent Examiner

Listed by the USPTO as LUU, THANH X

Tech Center 4100 • Art Units: 2878 2899 3725 4100

This examiner grants 78% of resolved cases

Analysis

LUU, THANH X works in tech center 4100 and art unit 2878. The record covers 1387 resolved cases, with a 78.3% allowance rate. The median time to allowance is 908 days. Interviews correspond to a 10.2% lift in the allowance outcome.

The high resolved-case volume supports a well-developed view of the recorded prosecution pattern. The allowance rate shows that allowance is common, while the interview measure is positive but limited relative to the overall outcome. Counsel may therefore combine interview requests with precise written treatment of claim scope. The principal companies are Panasonic Holdings Corporation, Sony Group Corporation, and Howard Hughes Medical Institute.

The principal firms are HAUPTMAN HAM, LLP, Rimon PC - Panasonic Corporation, and BRAKE HUGHES BELLERMANN LLP. They identify the leading representation relationships.

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

Performance Statistics

78.3%
Allow Rate
+18.3% vs TC avg
1,414
Total Applications
+10.2%
Interview Lift
908
Avg Prosecution Days
Based on 1387 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
27.2%
§102 Novelty
42.0%
§103 Obviousness
19.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19022982 ANALYSIS APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19005510 PHOTOELECTRIC CONVERSION ELEMENT, PHOTODETECTOR, PHOTODETECTION SYSTEM, ELECTRONIC APPARATUS, AND MOBILE BODY Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18867964 RANGING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18727712 ENCODER, MOTOR, AND METHOD FOR MANUFACTURING ENCODER Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18951132 SOLID-STATE IMAGING APPARATUS AND METHOD OF DRIVING THE SAME Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18650988 IMAGING ELEMENT AND RANGING DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18547451 CONTACT CLEANING APPARATUS Non-Final OA Illinois Tool Works Inc.
19068166 SYSTEMS AND METHODS FOR DETERMINING BORE CHARACTERISTICS OF A HOLE Non-Final OA The Boeing Company
18873731 DATA PROCESSING ALGORITHM EVALUATION DEVICE Non-Final OA The University of Tokyo
19060006 INSPECTION APPARATUS Non-Final OA HANWHA SOLUTIONS CORPORATION

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Frequently Asked Questions

What is examiner Thanh X Luu's allowance rate?

78.3% of resolved applications examined by Thanh X Luu were allowed (1,387 resolved cases), compared with 76.9% across Art Unit 2878 over the last five years.

Does an interview help with examiner Thanh X Luu?

This examiner's interview lift is +10.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thanh X Luu take to allow a patent?

Applications allowed by Thanh X Luu took 908 days on average from filing to allowance.

Which art unit does examiner Thanh X Luu work in?

Thanh X Luu examines applications in Art Unit 2878 in Tech Center 4100.

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