Prosecution Insights
Last updated: October 26, 2026

Thien T Mai, USPTO Patent Examiner

Listed by the USPTO as MAI, THIEN T

Tech Center 2800 • Art Units: 2876 2887

This examiner grants 59% of resolved cases

Analysis

MAI, THIEN T is assigned to Tech Center 2800 and art unit 2876. The profile covers 707 resolved cases, with an allowance rate of 59.1%. The median days to allowance is 1150, indicating that applicants should plan for a meaningful prosecution period and avoid assuming that allowance will follow quickly from initial examination.

The interview lift is 19.9%, supporting interviews as a useful part of prosecution strategy. The listed companies are Capital One Services LLC, Apple Inc., and Stryker Corporation. The listed firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., Ascent Intellectual Property Law, and Billion & Armitage - Aptiv. The portfolio mix spans financial services, consumer technology, and medical devices, requiring adaptable claim and interview preparation.

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

Performance Statistics

59.1%
Allow Rate
-8.9% vs TC avg
750
Total Applications
+19.9%
Interview Lift
1150
Avg Prosecution Days
Based on 707 resolved cases, 2023–2026

Rejection Statute Breakdown

10.1%
§101 Eligibility
23.1%
§102 Novelty
60.0%
§103 Obviousness
1.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19027600 TECHNIQUES TO PROCESS TRANSACTIONS WITH A CONTACTLESS CARD BASED ON ONE OR MORE CONFIGURATIONS OF THE CONTACTLESS CARD Final Rejection Capital One Services, LLC
18691310 Optical Data Transmission Using a Power Tool Device Non-Final OA Milwaukee Electric Tool Corporation
18437512 Average Input Current Built-In Self-Test and Calibration Non-Final OA Apple Inc.
17992486 Surgical Article And Method For Managing Surgical Articles During A Surgical Procedure Final Rejection Stryker Corporation
18271176 POWER CONVERSION APPARATUS CAPABLE OF CONTROLLING POWER CONVERSION CIRCUITS TO OPERATE SELECTIVELY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18687645 CELL BALANCING CONTROL METHOD AND BATTERY SYSTEM PROVIDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18850754 RADIO FREQUENCY IDENTIFICATION TAG Non-Final OA QUALCOMM Incorporated
18878221 VEHICULAR HEADLAMP Final Rejection KOITO MANUFACTURING CO., LTD.
18418842 POWER MODULE FOR SIMULTANEOUS CHARGING AND DISCHARGING OF ELECTRIC VEHICLE BATTERY SYSTEMS Non-Final OA GM Global Technology Operations LLC

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Frequently Asked Questions

What is examiner Thien T Mai's allowance rate?

59.1% of resolved applications examined by Thien T Mai were allowed (707 resolved cases), compared with 77.7% across Art Unit 2876 over the last five years.

Does an interview help with examiner Thien T Mai?

This examiner's interview lift is +19.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thien T Mai take to allow a patent?

Applications allowed by Thien T Mai took 1,150 days on average from filing to allowance.

Which art unit does examiner Thien T Mai work in?

Thien T Mai examines applications in Art Unit 2876 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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