Prosecution Insights
Last updated: October 27, 2026

Thang Xuan Le, USPTO Patent Examiner

Listed by the USPTO as LE, THANG XUAN

Tech Center 2800 • Art Units: 2858 2867

This examiner grants 88% of resolved cases

Analysis

LE, THANG XUAN works in Tech Center 2800 and Art Unit 2858. The record includes 924 resolved cases, an allowance rate of 88.4%, and a median of 810 days to allowance. Interviews correspond to an 8.7% lift in allowance outcomes. The profile therefore reflects a substantial resolved-case history and an allowance pattern in which interviews may provide incremental value.

The listed companies are LG Energy Solution Ltd., Koninklijke Philips N.V., and Intel Corporation. The listed firms are CKC & Partners Co., LLC, Essential Patents Group, LLP., and GOODWIN PROCTER LLP. Practitioners can use these results to frame prosecution expectations around a relatively high allowance rate, while still assessing whether interview requests fit the particular claim and prior-art issues.

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

Performance Statistics

88.4%
Allow Rate
+20.4% vs TC avg
954
Total Applications
+8.7%
Interview Lift
810
Avg Prosecution Days
Based on 924 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
27.2%
§102 Novelty
42.6%
§103 Obviousness
20.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19108960 Battery Pack Voltage Measurement Circuit Non-Final OA LG Energy Solution, Ltd.
17711878 LASER-INDUCED THERMAL STRESSING OF INTEGRATED CIRCUITS Non-Final OA Intel Corporation
18784458 ELECTROMAGNETIC METAMATERIAL FOR BOREHOLE RADAR POWER EMISSION AMPLIFICATION Non-Final OA Saudi Arabian Oil Company
19030021 EXCITER OVERCURRENT DETECTION DEVICE Non-Final OA HYUNDAI MOBIS CO., LTD.
18429091 ELECTRONIC DEVICE, SYSTEM AND INDUCTIVE SWITCHING TEST METHOD Final Rejection Texas Instruments Incorporated
18662591 USING INTERNAL ANALOG SENSORS IN THERMAL CONTROL LOOP FOR SUPERIOR TEMPERATURE CONTROL AND FASTER RESPONSE TO POWER TRANSIENTS Final Rejection NVIDIA Corporation

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Frequently Asked Questions

What is examiner Thang Xuan Le's allowance rate?

88.4% of resolved applications examined by Thang Xuan Le were allowed (924 resolved cases), compared with 83.6% across Art Unit 2858 over the last five years.

Does an interview help with examiner Thang Xuan Le?

This examiner's interview lift is +8.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thang Xuan Le take to allow a patent?

Applications allowed by Thang Xuan Le took 810 days on average from filing to allowance.

Which art unit does examiner Thang Xuan Le work in?

Thang Xuan Le examines applications in Art Unit 2858 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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