Prosecution Insights
Last updated: October 26, 2026

Matthew Christopher Gammon, USPTO Patent Examiner

Listed by the USPTO as GAMMON, MATTHEW CHRISTOPHER

Tech Center 3600 • Art Units: 3656 3657 3664

This examiner grants 66% of resolved cases

Analysis

GAMMON, MATTHEW CHRISTOPHER works in tech center 3600 and art unit 3656. The profile records 118 resolved cases, an allowance rate of 66.1%, and a median of 1021 days to allowance. The allowance figure shows that a majority of recorded matters reached allowance, while the median timing indicates that the path to that result may be extended. Interviews are associated with a 22.2% lift, supporting their consideration when claim discussions can focus the disputed issues.

The leading companies are Toyota Motor Corporation, Sanctuary Cognitive Systems Corporation, and FANUC Corporation. The firms most represented are DINSMORE & SHOHL LLP, AMPACC Law Group, PLLC, and FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER. This mix reflects automotive, robotics, and related technology work. Counsel can use the listed organizations to identify relevant prosecution experience and tailor technical explanations accordingly.

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

Performance Statistics

66.1%
Allow Rate
+14.1% vs TC avg
156
Total Applications
+22.2%
Interview Lift
1021
Avg Prosecution Days
Based on 118 resolved cases, 2023–2026

Rejection Statute Breakdown

7.1%
§101 Eligibility
25.8%
§102 Novelty
34.7%
§103 Obviousness
30.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19073168 DRIVER ASSIST APPARATUS, DRIVER ASSIST METHOD, AND NON-TRANSITORY STORAGE MEDIUM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18111761 SYSTEMS AND METHODS FOR CONTROLLING A VEHICLE Final Rejection Toyota Motor Engineering & Manufacturing North America, Inc.
19181885 TASK SELECTION FOR A HAND-HELD MANIPULATION DEVICE Final Rejection Toyota Research Institute, Inc.
19196017 ROBOT PROGRAMMING DEVICE AND PROGRAMMING METHOD Final Rejection FANUC CORPORATION
18681958 NUMERICAL CONTROL SYSTEM AND ROBOT CONTROL DEVICE Final Rejection FANUC CORPORATION

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Frequently Asked Questions

What is examiner Matthew Christopher Gammon's allowance rate?

66.1% of resolved applications examined by Matthew Christopher Gammon were allowed (118 resolved cases), compared with 66.7% across Art Unit 3656 over the last five years.

Does an interview help with examiner Matthew Christopher Gammon?

This examiner's interview lift is +22.2 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 Christopher Gammon take to allow a patent?

Applications allowed by Matthew Christopher Gammon took 1,021 days on average from filing to allowance.

Which art unit does examiner Matthew Christopher Gammon work in?

Matthew Christopher Gammon examines applications in Art Unit 3656 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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