Prosecution Insights
Last updated: October 01, 2026

Examiner: WARDEN, MICHAEL J

Tech Center 3600 • Art Units: 3693 3694

This examiner grants 25% of resolved cases

Analysis

Michael J Warden is an examiner in Art Unit 3693, part of Tech Center 3600. The data for this examiner includes 251 resolved cases, which results in an allowance rate of 25.5%. This rate suggests the frequency of grants for applications. Additionally, the median days to allowance is 1338, indicating the duration of the prosecution process for successful cases. Practitioners should consider this timeline when filing in Art Unit 3693.

The interview lift for this examiner is 21.7%. When compared to the 25.5% allowance rate, this lift represents a relative improvement in the chances of securing a grant. Practitioners should consider the 1338-day timeline when planning their prosecution strategy. With 251 resolved cases as a baseline, the 21.7% lift is a key data point for those attempting to overcome the 25.5% allowance rate. Direct engagement may help mitigate the difficulties reflected in the 1338-day median pendency in Tech Center 3600. The 251 resolved cases provide a consistent benchmark for these metrics.

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
280
Total Applications
+21.5%
Interview Lift
1337
Avg Prosecution Days
Based on 252 resolved cases, 2023–2026

Rejection Statute Breakdown

41.8%
§101 Eligibility
6.4%
§102 Novelty
26.2%
§103 Obviousness
22.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18706075 A COMPUTER IMPLEMENTED METHOD AND SYSTEM Final Rejection nChain Licensing AG
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
18655742 MULTI-FACTOR AUTHENTICATION (MFA) ARRANGEMENTS FOR DYNAMIC VIRTUAL TRANSACTION TOKEN GENERATION VIA BROWSER EXTENSION Final Rejection Capital One Services, LLC
18938211 Systems, Devices, and Methods for Generating Personalized Electronic Documents Non-Final OA Walmart Apollo, LLC
18654830 CRYPTOCURRENCY TRANSACTION BACKUP SYSTEM Final Rejection PAYPAL, INC.
18645766 Detecting Fraudulent Optical Tone Transactions Received by Client Using Spiking Neural Network and Quantum Sensors Non-Final OA Bank of America Corporation
18246435 SYSTEM AND METHOD OF SERVICE THROUGH A DISTRIBUTED LEDGER Final Rejection JIO PLATFORMS LIMITED

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