Prosecution Insights
Last updated: October 27, 2026

Michael P Maskell, USPTO Patent Examiner

Listed by the USPTO as MASKELL, MICHAEL P

Tech Center 3700 • Art Units: 2842 2878 2881 3752

This examiner grants 86% of resolved cases

Analysis

MASKELL, MICHAEL P is assigned to tech center 3700 and art unit 2842. Across 1089 resolved cases, the allowance rate is 86.1% and the interview lift is 9.2%. The median time to allowance is 791 days, providing a useful reference for applicants managing prosecution expectations.

Listed companies include Shanghai United Imaging Healthcare Co., Ltd., Holtec International, and The Ohio State University. Listed firms include BUCHANAN, INGERSOLL & ROONEY PC, GOODWIN PROCTER LLP, and Lathrop GPM LLP. The data favors focused written prosecution, with interviews serving a more limited supporting role.

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

Performance Statistics

86.1%
Allow Rate
+16.1% vs TC avg
1,103
Total Applications
+9.2%
Interview Lift
791
Avg Prosecution Days
Based on 1089 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
35.8%
§102 Novelty
41.7%
§103 Obviousness
14.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18327050 SYSTEMS AND METHODS FOR QUALITY ASSURANCE Final Rejection SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
18846152 ELECTROSPRAY EMITTER DEVICES AND METHODS OF USE THEREOF Non-Final OA Ohio State Innovation Foundation

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Frequently Asked Questions

What is examiner Michael P Maskell's allowance rate?

86.1% of resolved applications examined by Michael P Maskell were allowed (1,089 resolved cases), compared with 66.3% across Art Unit 2842 over the last five years.

Does an interview help with examiner Michael P Maskell?

This examiner's interview lift is +9.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael P Maskell take to allow a patent?

Applications allowed by Michael P Maskell took 791 days on average from filing to allowance.

Which art unit does examiner Michael P Maskell work in?

Michael P Maskell examines applications in Art Unit 2842 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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