Prosecution Insights
Last updated: October 26, 2026

Wyatt A Stoffa, USPTO Patent Examiner

Listed by the USPTO as STOFFA, WYATT A

Tech Center 3600 • Art Units: 2124 2800 2812 2828 2872 2881 2892 3645

This examiner grants 79% of resolved cases

Analysis

STOFFA, WYATT A works in Tech Center 3600 and Art Unit 2124. The profile records 1049 resolved cases, with an allowance rate of 79.3%. Interviews have a 22.3% lift, and the median time to allowance is 845 days. The data show a strong allowance result, a positive interview association, and a median timing measure that supports structured prosecution planning.

The leading companies are Hitachi Ltd., Thermo Fisher Scientific (Bremen) GmbH, and ASML Holding N.V. The listed firms are GOODWIN PROCTER LLP, MATTINGLY & MALUR, PC, and MILES & STOCKBRIDGE PC. Counsel can use interviews as a supporting tactic while planning around the reported allowance schedule.

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

Performance Statistics

79.3%
Allow Rate
+27.3% vs TC avg
1,133
Total Applications
+22.3%
Interview Lift
845
Avg Prosecution Days
Based on 1049 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
20.2%
§102 Novelty
38.8%
§103 Obviousness
32.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18195018 Medical Device Sterilizer and Magnetizer Final Rejection Bard Access Systems, Inc.
18856757 CHARGED PARTICLE BEAM DEVICE AND METHOD FOR OUTPUTTING IMAGE DATA OF INTEREST Non-Final OA HITACHI HIGH-TECH CORPORATION
18669862 ELECTRON BEAM DEVICE INCLUDING SCHOTTKY EMITTER AND METHOD OF OPERATING SCHOTTKY EMITTER Final Rejection Hitachi High-Tech Corporation
18288042 PARTICLE ANALYZING DEVICE, AND PARTICLE ANALYZING METHOD Non-Final OA HITACHI HIGH-TECH CORPORATION
17740848 HYBRID ION SOURCE FOR ALUMINUM ION GENERATION USING A TARGET HOLDER AND ORGANOALUMINIUM COMPOUNDS Non-Final OA Applied Materials, Inc.
18563841 MANIPULATION OF CARRIER TRANSPORT BEHAVIOR IN DETECTOR Final Rejection ASML Netherlands B.V.
18038206 SEMICONDUCTOR CHARGED PARTICLE DETECTOR FOR MICROSCOPY Non-Final OA ASML Netherlands B.V.

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Frequently Asked Questions

What is examiner Wyatt A Stoffa's allowance rate?

79.3% of resolved applications examined by Wyatt A Stoffa were allowed (1,049 resolved cases), compared with 63.1% across Art Unit 2124 over the last five years.

Does an interview help with examiner Wyatt A Stoffa?

This examiner's interview lift is +22.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Wyatt A Stoffa take to allow a patent?

Applications allowed by Wyatt A Stoffa took 845 days on average from filing to allowance.

Which art unit does examiner Wyatt A Stoffa work in?

Wyatt A Stoffa examines applications in Art Unit 2124 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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