Prosecution Insights
Last updated: October 26, 2026

Matthew D Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, MATTHEW D

Tech Center 3600 • Art Units: 3611 3614 3616 3617

This examiner grants 89% of resolved cases

Analysis

LEE, MATTHEW D is assigned to Tech Center 3600 and Art Unit 3611. The profile includes 229 resolved cases and an allowance rate of 89.1%. The median time to allowance is 681 days, providing a relatively compact timing reference within the profile while maintaining a high recorded allowance outcome.

The interview lift is 5.6%, suggesting that interviews have a limited measured association with outcomes in this dataset. ZF Friedrichshafen, Mahle International, and Kawasaki Heavy Industries are the leading listed companies. BIRCH STEWART KOLASCH & BIRCH, Bridgeway IP Law Group, and DORITY & MANNING are the leading listed firms.

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

Performance Statistics

89.1%
Allow Rate
+37.1% vs TC avg
253
Total Applications
+5.6%
Interview Lift
681
Avg Prosecution Days
Based on 229 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
25.4%
§102 Novelty
44.8%
§103 Obviousness
25.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18928948 DISCONNECTOR APPARATUS Non-Final OA Hyundai Transys Inc.
18944610 Bottom bracket transmission with a planetary design for a bicycle or a pedelec Non-Final OA ZF Friedrichshafen AG
18941016 STEERING GEAR AND STEER-BY-WIRE STEERING DEVICE WITH SUCH A STEERING GEAR Non-Final OA ZF Automotive Germany GmbH
18737634 TWO-PIECE AXIAL-SPLIT WHEEL Final Rejection The Toro Company

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Frequently Asked Questions

What is examiner Matthew D Lee's allowance rate?

89.1% of resolved applications examined by Matthew D Lee were allowed (229 resolved cases), compared with 67.1% across Art Unit 3611 over the last five years.

Does an interview help with examiner Matthew D Lee?

This examiner's interview lift is +5.6 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 D Lee take to allow a patent?

Applications allowed by Matthew D Lee took 681 days on average from filing to allowance.

Which art unit does examiner Matthew D Lee work in?

Matthew D Lee examines applications in Art Unit 3611 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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