Prosecution Insights
Last updated: October 26, 2026

Michael S Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, MICHAEL S

Tech Center 3600 • Art Units: 3654 3655 3677

This examiner grants 63% of resolved cases

Analysis

LEE, MICHAEL S examines in Tech Center 3600 and Art Unit 3654. The profile records 854 resolved cases and an allowance rate of 63.1%. The median time to allowance is 851 days. Practitioners can use these figures to frame expectations around both the recorded disposition pattern and the duration of prosecution before this examiner.

The interview lift is 20.9%, supporting interviews as a meaningful option in prosecution planning. YKK, Illinois Tool Works, and SUZUKI MOTOR are the leading listed companies. OLIFF, PROCOPIO, CORY, HARGREAVES & SAVITCH, and BIRCH STEWART KOLASCH & BIRCH are the leading listed firms. The company mix points to mechanical and manufacturing portfolios.

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

Performance Statistics

63.1%
Allow Rate
+11.1% vs TC avg
918
Total Applications
+20.9%
Interview Lift
851
Avg Prosecution Days
Based on 854 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
35.7%
§102 Novelty
39.4%
§103 Obviousness
21.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19009497 Fastener for a Round Hole and a Slot Final Rejection Illinois Tool Works Inc.
18830009 Fastening Clip Non-Final OA Illinois Tool Works Inc.
18623306 Pinch Resistant Helmet Buckle Final Rejection Illinois Tool Works Inc.
18222811 Assembly for Providing a Fastening Possibility for a Vehicle Component Final Rejection Illinois Tool Works Inc.
18834273 Clip and Clip Assembly Final Rejection YKK Corporation
18728856 RAIL FASTENER AND METHOD OF PRODUCING THE SAME, AND DOUBLE FASTENER Final Rejection YKK Corporation
18285026 METHOD FOR PRODUCING SLIDE FASTENER STRINGER HAVING COLORED METAL ELEMENT, METAL ELEMENT, SLIDE FASTENER STRINGER AND SLIDE FASTENER CHAIN Final Rejection YKK CORPORATION
18272781 FASTENER TAPE Final Rejection YKK Corporation
18809017 ADJUSTABLE STRAP SYSTEM AND RELATED DEVICES AND METHODS Final Rejection Meta Platforms Technologies, LLC

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Frequently Asked Questions

What is examiner Michael S Lee's allowance rate?

63.1% of resolved applications examined by Michael S Lee were allowed (854 resolved cases), compared with 68.0% across Art Unit 3654 over the last five years.

Does an interview help with examiner Michael S Lee?

This examiner's interview lift is +20.9 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 S Lee take to allow a patent?

Applications allowed by Michael S Lee took 851 days on average from filing to allowance.

Which art unit does examiner Michael S Lee work in?

Michael S Lee examines applications in Art Unit 3654 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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