Prosecution Insights
Last updated: October 26, 2026

Michael James Walker, USPTO Patent Examiner

Listed by the USPTO as WALKER, MICHAEL JAMES

Tech Center 2800 • Art Units: 2831 2844

This examiner grants 90% of resolved cases

Performance Statistics

89.7%
Allow Rate
+21.7% vs TC avg
55
Total Applications
-4.4%
Interview Lift
963
Avg Prosecution Days
Based on 39 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
22.6%
§102 Novelty
31.4%
§103 Obviousness
43.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18961744 Mechanical Watch Non-Final OA SEIKO EPSON CORPORATION

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Michael James Walker's allowance rate?

89.7% of resolved applications examined by Michael James Walker were allowed (39 resolved cases), compared with 72.3% across Art Unit 2831 over the last five years.

Does an interview help with examiner Michael James Walker?

This examiner's interview lift is -4.4 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 James Walker take to allow a patent?

Applications allowed by Michael James Walker took 963 days on average from filing to allowance.

Which art unit does examiner Michael James Walker work in?

Michael James Walker examines applications in Art Unit 2831 in Tech Center 2800 (Semiconductors, Circuits & Optics).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month