Prosecution Insights
Last updated: October 26, 2026

Tung X Le, USPTO Patent Examiner

Listed by the USPTO as LE, TUNG X

Tech Center 2800 • Art Units: 2814 2821 2844 2845 2855 2881

This examiner grants 87% of resolved cases

Analysis

LE, TUNG X works in Tech Center 2800 and Art Unit 2814. The record includes 1675 resolved cases, an allowance rate of 87.0%, and a median of 737 days to allowance. Interviews are associated with a 3.3% lift in allowance outcomes. The large case history provides a substantial basis for understanding the examiner’s recorded prosecution pattern.

The listed companies are Samsung Electronics Co., Ltd., Valeo S.A., and Lam Research Corporation. The listed firms are AMPACC Law Group, PLLC, BUCHANAN, INGERSOLL & ROONEY PC, and Chiesa Shahinian & Giantomasi PC. Practitioners can plan around a strong allowance record and use interviews selectively where claim interpretation or prior-art distinctions warrant direct discussion.

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

Performance Statistics

87.0%
Allow Rate
+19.0% vs TC avg
1,715
Total Applications
+3.3%
Interview Lift
737
Avg Prosecution Days
Based on 1675 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
37.7%
§102 Novelty
38.9%
§103 Obviousness
9.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18811382 PLASMA PROCESSING APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19329481 RADAR CONTROL DEVICE AND METHOD Non-Final OA HL Klemove Corp.
18721943 LIGHT-EMITTING DEVICE FOR A MOTOR VEHICLE Non-Final OA VALEO VISION
19122236 SYSTEMS AND METHODS FOR FAST CONTROL OF IMPEDANCE ASSOCIATED WITH AN OUTPUT OF A PLASMA SOURCE Non-Final OA Lam Research Corporation
18846216 SPATIALLY TUNABLE INDUCTIVELY COUPLED PLASMA ANTENNA Non-Final OA Lam Research Corporation
19188650 VEHICLE DETECTION DEVICE, LIGHT DISTRIBUTION CONTROL DEVICE, AND VEHICLE DETECTION METHOD Non-Final OA Koito Manufacturing Co., Ltd.
19281842 THREE LEVEL SWITCHING CONVERTER AND CONTROL Non-Final OA Texas Instruments Incorporated
19315725 PLASMA PROCESSING APPARATUS AND METHOD OF CONTROLLING THE SAME Non-Final OA Tokyo Electron Limited
19240089 PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
19303314 MOTION SENSOR WITH SELF-ADAPTIVE ADJUSTMENT FUNCTION AND SELF-ADAPTIVE ADJUSTMENT METHOD THEREOF Non-Final OA Xiamen PVTECH Co., Ltd.
19176227 AMMONIUM FLUORIDE PRE-CLEAN PROTECTION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
19290189 SYSTEM AND CONTROLLER FOR CONTROLLING A LIGHT SOURCE MODULE Non-Final OA O2Micro Inc.
19287382 Dual Frequency Matching Circuit for Inductively Coupled Plasma (ICP) Loads Non-Final OA Mattson Technology, Inc.
19287806 LIGHTING SYSTEM WITH LUMEN DRIFT COMPENSATION Non-Final OA ERP POWER, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Tung X Le's allowance rate?

87.0% of resolved applications examined by Tung X Le were allowed (1,675 resolved cases), compared with 74.2% across Art Unit 2814 over the last five years.

Does an interview help with examiner Tung X Le?

This examiner's interview lift is +3.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tung X Le take to allow a patent?

Applications allowed by Tung X Le took 737 days on average from filing to allowance.

Which art unit does examiner Tung X Le work in?

Tung X Le examines applications in Art Unit 2814 in Tech Center 2800 (Semiconductors, Circuits & Optics).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month