Prosecution Insights
Last updated: October 27, 2026

Michael J Warden, USPTO Patent Examiner

Listed by the USPTO as WARDEN, MICHAEL J

Tech Center 3600 • Art Units: 3693 3694

This examiner grants 25% of resolved cases

Analysis

WARDEN, MICHAEL J is assigned to tech center 3600 and art unit 3693. The profile records 252 resolved cases, with an allowance rate of 25.4% and a median of 1337 days to allowance. Interview lift is 21.5%, showing a positive association with allowance outcomes even though the overall allowance rate is low. The figures support a prosecution approach that emphasizes early identification of claim vulnerabilities.

The company portfolio includes The Toronto-dominion Bank, PayPal Inc., and Visa International Service Association. Listed firms are Arnall Golden Gregory LLP, BUCHANAN, INGERSOLL & ROONEY PC, and Burr & Forman LLP - AFFIRM. The financial-services concentration gives the profile clear relevance for software and payments applicants. Interviews may help, but they should accompany careful responses to substantive objections.

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

Performance Statistics

25.4%
Allow Rate
-26.6% vs TC avg
285
Total Applications
+21.5%
Interview Lift
1337
Avg Prosecution Days
Based on 252 resolved cases, 2023–2026

Rejection Statute Breakdown

41.8%
§101 Eligibility
6.3%
§102 Novelty
26.0%
§103 Obviousness
22.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17889234 REAL-TIME PROVISIONING OF TARGETED DIGITAL CONTENT ASSOCIATED WITH FUTURE DATA EXCHANGES BASED ON STRUCTURED MESSAGING DATA Non-Final OA The Toronto-Dominion Bank
19145634 Method, System, and Computer Program Product for Encapsulated Multi-Functional Framework Non-Final OA Visa International Service Association
18654830 CRYPTOCURRENCY TRANSACTION BACKUP SYSTEM Final Rejection PAYPAL, INC.
18938211 Systems, Devices, and Methods for Generating Personalized Electronic Documents Non-Final OA Walmart Apollo, LLC
18246435 SYSTEM AND METHOD OF SERVICE THROUGH A DISTRIBUTED LEDGER Final Rejection JIO PLATFORMS LIMITED

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Frequently Asked Questions

What is examiner Michael J Warden's allowance rate?

25.4% of resolved applications examined by Michael J Warden were allowed (252 resolved cases), compared with 20.9% across Art Unit 3693 over the last five years.

Does an interview help with examiner Michael J Warden?

This examiner's interview lift is +21.5 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 J Warden take to allow a patent?

Applications allowed by Michael J Warden took 1,337 days on average from filing to allowance.

Which art unit does examiner Michael J Warden work in?

Michael J Warden examines applications in Art Unit 3693 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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