Prosecution Insights
Last updated: October 27, 2026

Matthew L Hamilton, USPTO Patent Examiner

Listed by the USPTO as HAMILTON, MATTHEW L

Tech Center 3600 • Art Units: 3626 3681 3682 3683 3685 3688

This examiner grants 54% of resolved cases

Analysis

HAMILTON, MATTHEW L has resolved 527 cases in Tech Center 3600 and Art Unit 3626. The allowance rate is 53.5%, with a median of 1502 days to allowance. The record supports planning for a substantial examination timeline, particularly where prosecution strategy may involve multiple rounds of claim refinement.

The interview lift is 61.4%, the strongest measured intervention signal in this profile. That result supports considering an interview as part of an organized response strategy, rather than treating it as an incidental step. The listed companies are Stryker Corporation, Terumo Corporation, and Koninklijke Philips N.V. Common firms include ANDRUS INTELLECTUAL PROPERTY LAW, LLP, HARNESS DICKEY (DETROIT), and JCIPRNET.

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

Performance Statistics

53.5%
Allow Rate
+1.5% vs TC avg
551
Total Applications
+61.4%
Interview Lift
1502
Avg Prosecution Days
Based on 527 resolved cases, 2023–2026

Rejection Statute Breakdown

30.4%
§101 Eligibility
10.2%
§102 Novelty
30.2%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19132923 COMMUNICATION SYSTEM FOR PATIENT SUPPORT APPARATUSES AND OTHER EQUIPMENT Non-Final OA Stryker Corporation
19082279 SIMPLIFIED SERVICE REQUESTS FOR MEDICAL IMAGING SYSTEMS Final Rejection KONINKLIJKE PHILIPS N.V.
18850290 Hydration Managing System Final Rejection Fresenius Medical Care Deutschland GmbH

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 Matthew L Hamilton's allowance rate?

53.5% of resolved applications examined by Matthew L Hamilton were allowed (527 resolved cases), compared with 24.6% across Art Unit 3626 over the last five years.

Does an interview help with examiner Matthew L Hamilton?

This examiner's interview lift is +61.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Matthew L Hamilton take to allow a patent?

Applications allowed by Matthew L Hamilton took 1,502 days on average from filing to allowance.

Which art unit does examiner Matthew L Hamilton work in?

Matthew L Hamilton examines applications in Art Unit 3626 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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