Prosecution Insights
Last updated: October 26, 2026

Madhu Woolcock, USPTO Patent Examiner

Listed by the USPTO as WOOLCOCK, MADHU

Tech Center 2400 • Art Units: 2451

This examiner grants 56% of resolved cases

Analysis

Madhu Woolcock serves in Art Unit 2451 within Tech Center 2400, having overseen 294 resolved cases. He has an allowance rate of 56.5 percent and a median time to allowance of 1513 days. The data reveals an exceptionally high interview lift of 72.8 percent, which suggests that conducting an interview more than doubles the likelihood of an application being allowed compared to the baseline rate. This high lift indicates that direct verbal communication is a critical component of a successful prosecution strategy with this examiner.

The examiner's caseload includes filings from Cisco Technology Inc., Toyota Motor Corporation, and Kabushiki Kaisha Toshiba. Top firms appearing before him include Cooper Legal Group , LLC, HEA Law, and MERCHANT & GOULD P.C. - CISCO. Given the 56.5 percent allowance rate and the very high 72.8 percent interview lift, practitioners should strongly consider direct engagement with the examiner to improve their chances of success. With 294 resolved cases and a 1513-day median pendency, the data provides a clear picture of the examiner's tendencies and the importance of interviews.

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

Performance Statistics

56.5%
Allow Rate
-1.5% vs TC avg
306
Total Applications
+72.8%
Interview Lift
1513
Avg Prosecution Days
Based on 294 resolved cases, 2023–2026

Rejection Statute Breakdown

10.8%
§101 Eligibility
6.5%
§102 Novelty
51.8%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19005658 CONGESTION WINDOW CONTROL BASED ON DRIVING CONDITIONS Non-Final OA TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
19195565 INTER-COMPATIBLE FORWARDING MODES IN NETWORK FABRIC OVERLAYS Non-Final OA Cisco Technology, Inc.
18807189 AUTOMATIC SELECTION OF PROBE AND PATH TRACING MODES Final Rejection Cisco Technology, Inc.
18758001 MULTI-TIER OPTIMIZED INGRESS REPLICATION FOR ETHERNET VIRTUAL PRIVATE NETWORKS Final Rejection Cisco Technology, Inc.

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Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Madhu Woolcock's allowance rate?

56.5% of resolved applications examined by Madhu Woolcock were allowed (294 resolved cases), compared with 74.1% across Art Unit 2451 over the last five years.

Does an interview help with examiner Madhu Woolcock?

This examiner's interview lift is +72.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Madhu Woolcock take to allow a patent?

Applications allowed by Madhu Woolcock took 1,513 days on average from filing to allowance.

Which art unit does examiner Madhu Woolcock work in?

Madhu Woolcock examines applications in Art Unit 2451 in Tech Center 2400 (Networking & Security).

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