Prosecution Insights
Last updated: October 27, 2026

Michael P Harrington, USPTO Patent Examiner

Listed by the USPTO as HARRINGTON, MICHAEL P

Tech Center 3600 • Art Units: 3628

This examiner grants 25% of resolved cases

Analysis

HARRINGTON, MICHAEL P handles cases in Tech Center 3600 and Art Unit 3628. Across 491 resolved cases, the profile shows a 24.8% allowance rate and a median of 1556 days to allowance. The low allowance rate and long median timeline point to a prosecution record requiring careful risk and timing management.

The interview lift is 17.1%, indicating that interviews are associated with improved allowance outcomes despite the overall allowance rate. The leading companies are Mastercard International Incorporated, FedEx Corporation, and NAVER Corporation. The listed firms are Bradley Arant Boult Cummings LLP, GREER, BURNS & CRAIN, LTD, and Hovey Williams LLP. Practitioners may use interviews strategically while maintaining realistic expectations about duration and allowance risk.

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

Performance Statistics

24.8%
Allow Rate
-27.2% vs TC avg
522
Total Applications
+17.1%
Interview Lift
1556
Avg Prosecution Days
Based on 491 resolved cases, 2023–2026

Rejection Statute Breakdown

30.2%
§101 Eligibility
6.3%
§102 Novelty
41.7%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18952690 SYSTEMS AND METHODS FOR ELECTRICAL ENERGY-BASED TRANSACTIONS Non-Final OA Mastercard International Incorporated
19073566 METHODS, SYSTEMS, AND DEVICES FOR DETECTING AND RESOLVING RISKS ASSOCIATED WITH SHIPPED OBJECTS Non-Final OA Federal Express Corporation

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Frequently Asked Questions

What is examiner Michael P Harrington's allowance rate?

24.8% of resolved applications examined by Michael P Harrington were allowed (491 resolved cases), compared with 29.8% across Art Unit 3628 over the last five years.

Does an interview help with examiner Michael P Harrington?

This examiner's interview lift is +17.1 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 Harrington take to allow a patent?

Applications allowed by Michael P Harrington took 1,556 days on average from filing to allowance.

Which art unit does examiner Michael P Harrington work in?

Michael P Harrington examines applications in Art Unit 3628 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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