Prosecution Insights
Last updated: October 26, 2026

Lucy M Thomas, USPTO Patent Examiner

Listed by the USPTO as THOMAS, LUCY M

Tech Center 3600 • Art Units: 2836 2838 3641

This examiner grants 62% of resolved cases

Analysis

THOMAS, LUCY M is a USPTO patent examiner in tech center 3600 and art unit 2836. The record includes 822 resolved cases, an allowance rate of 62.4%, and a median of 1143 days to allowance. Interviews are associated with a 17.9% lift.

Siemens Aktiengesellschaft, Texas Instruments Incorporated, and Applied Materials Inc. are the listed companies. The listed firms are Chen Yoshimura LLP, LERNER GREENBERG STEMER LLP, and Troutman Pepper Locke LLP. The allowance figure supports careful attention to claim strategy and response sequencing, while the median timing calls for realistic prosecution planning. The positive interview measure supports evaluating interviews as a way to clarify issues, particularly where written exchanges may leave claim interpretation unresolved.

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

Performance Statistics

62.4%
Allow Rate
+10.4% vs TC avg
872
Total Applications
+17.9%
Interview Lift
1143
Avg Prosecution Days
Based on 822 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
29.2%
§102 Novelty
54.7%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19088352 SEMICONDUCTOR DEVICE Non-Final OA FUJI ELECTRIC CO., LTD.
19084508 ELECTRICAL POWER SYSTEM Non-Final OA ROLLS-ROYCE plc
19101772 SEMICONDUCTOR DEVICE, SEMICONDUCTOR MODULE, AND ELECTRONIC APPARATUS Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18071847 FAULT PROTECTION APPARATUS Non-Final OA Huawei Digital Power Technologies Co., Ltd.
18258606 CIRCUIT BREAKER DEVICE AND METHOD Non-Final OA Siemens Aktiengesellschaft
18873899 CUTOFF CONTROL DEVICE Non-Final OA Sumitomo Electric Industries, Ltd.
18506273 POWER TRANSISTOR CLAMP CIRCUIT Final Rejection Texas Instruments Incorporated
17513955 CURRENT CONTROL FOR MULTI-PORT CHARGING CIRCUIT Final Rejection TEXAS INSTRUMENTS INCORPORATED
19051244 ELECTROSTATIC CHUCK FOR NON-PLANAR SUBSTRATES Non-Final OA Applied Materials, Inc.
18951498 DRIVER APPARATUS AND CORRESPONDING METHOD Non-Final OA STMicroelectronics International N.V.
17875108 ANTENNA DIODE CIRCUIT Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
18850992 DRIVE CIRCUIT AND CONTROL METHOD FOR DRIVE CIRCUIT Final Rejection Hitachi Astemo, Ltd.
18271842 START METHOD FOR PHOTOVOLTAIC RAPID SHUTDOWN SYSTEM, APPLICATION APPARATUS AND SYSTEM Final Rejection Sungrow Power Supply Co., Ltd.
18526750 DEVICE FOR PROVIDING ONE OR MORE FUNCTIONAL VOLTAGES IN A VEHICLE ELECTRICAL SYSTEM Non-Final OA LISA DRÄXLMAIER GMBH
18827386 DEVICE HAVING REDUNDANT POWER SUPPLY LINES Final Rejection Murrelektronik GmbH

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Frequently Asked Questions

What is examiner Lucy M Thomas's allowance rate?

62.4% of resolved applications examined by Lucy M Thomas were allowed (822 resolved cases), compared with 66.2% across Art Unit 2836 over the last five years.

Does an interview help with examiner Lucy M Thomas?

This examiner's interview lift is +17.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lucy M Thomas take to allow a patent?

Applications allowed by Lucy M Thomas took 1,143 days on average from filing to allowance.

Which art unit does examiner Lucy M Thomas work in?

Lucy M Thomas examines applications in Art Unit 2836 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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