Prosecution Insights
Last updated: October 26, 2026

Mary A Wilczewski, USPTO Patent Examiner

Listed by the USPTO as WILCZEWSKI, MARY A

Tech Center 2800 • Art Units: 2819 2822 2898

This examiner grants 85% of resolved cases

Analysis

WILCZEWSKI, MARY A is assigned to tech center 2800 and art unit 2819. The profile reports 844 resolved cases and an allowance rate of 84.7%. Median time to allowance is 963 days, with an interview lift of 10.3%. The record therefore combines a substantial case base and a frequently allowed outcome with a prosecution timeline that extends beyond two years at the median.

The listed companies are Taiwan Semiconductor Manufacturing Company, Ltd., Samsung Electronics Co., Ltd., and Silanna UV Technologies Pte. Ltd. The listed firms are Haynes and Boone, LLP (24061), BIRCH STEWART KOLASCH & BIRCH, LLP, and HARNESS, DICKEY & PIERCE, P.L.C. Practitioners can use these entities as indicators of the technologies and representation patterns appearing in the examiner’s docket.

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

Performance Statistics

84.7%
Allow Rate
+16.7% vs TC avg
885
Total Applications
+10.3%
Interview Lift
963
Avg Prosecution Days
Based on 844 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
24.5%
§102 Novelty
44.1%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18796633 INTEGRATED CIRCUIT DEVICES HAVING ENHANCED POWER DELIVERY NETWORKS THEREIN Non-Final OA Samsung Electronics Co., Ltd.
18340419 MEMORY DEVICES INCLUDING VERTICAL STACK STRUCTURE, METHODS OF MANUFACTURING AND OPERATING THE SAME, AND ELECTRONIC APPARATUSES INCLUDING MEMORY DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18781527 LIGHT EMITTING DISPLAY APPARATUS Non-Final OA LG Display Co., Ltd.
18665907 DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18496081 SEMICONDUCTOR PROCESSING CHAMBER WITH FILAMENT LAMPS HAVING NONUNIFORM HEAT OUTPUT Final Rejection ASM IP Holding B.V.
18028957 APPARATUS FOR PROCESSING WAFER-SHAPED ARTICLES Final Rejection LAM RESEARCH AG
17788238 COMPONENT AND METHOD FOR PRODUCING A COMPONENT Non-Final OA ams-OSRAM International GmbH
18321844 METHOD FOR PERFORMING TRENCH ISOLATION PROCESS Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18197968 FINFET DEVICE STRUCTURE AND METHOD Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18170845 Interconnect Structure for Improving Memory Performance and/or Logic Performance Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18786886 INTERFACE TRAP CHARGE DENSITY REDUCTION Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18783352 SYSTEMS AND METHODS FOR PROCESSING A SUBSTRATE Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18782255 Dual Dopant Source/Drain Regions and Methods of Forming Same Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18363554 FINFET DEVICE AND METHOD Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18329396 INTERFACE TRAP CHARGE DENSITY REDUCTION Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
17814725 Semiconductor Device and Method Non-Final OA Taiwan Semiconductor Manufacturing Co.,Ltd.
17150044 FINFET DEVICE AND METHOD Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.

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 Mary A Wilczewski's allowance rate?

84.7% of resolved applications examined by Mary A Wilczewski were allowed (844 resolved cases), compared with 69.7% across Art Unit 2819 over the last five years.

Does an interview help with examiner Mary A Wilczewski?

This examiner's interview lift is +10.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mary A Wilczewski take to allow a patent?

Applications allowed by Mary A Wilczewski took 963 days on average from filing to allowance.

Which art unit does examiner Mary A Wilczewski work in?

Mary A Wilczewski examines applications in Art Unit 2819 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