Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, MICHAEL S

Tech Center 3600 • Art Units: 3654 3655 3677

This examiner grants 63% of resolved cases

Analysis

Michael S. Lee is an examiner in Tech Center 3600 and Art Unit 3654. He has a substantial record of 847 resolved cases, which offers a high degree of predictability. His allowance rate is 63.3 percent, showing that a majority of his cases result in a patent grant. This 63.3 percent rate provides a solid foundation for applicants in his field.

The interview lift for this examiner is 20.6 percent. This 20.6 percent figure is a significant increase, indicating that interviews are a very effective way to move a case toward allowance. Practitioners should take advantage of this lift to improve upon the baseline. The 847 resolved cases show that he is an experienced examiner who values the interview process in Art Unit 3654.

The median days to allowance is 852. This timeframe is relatively efficient, allowing applicants to secure their patents without excessive delay. The 852-day median is a positive indicator for those who value speed in the prosecution process. When combined with the 63.3 percent allowance rate, this examiner provides a favorable and efficient path to grant in Tech Center 3600.

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

Performance Statistics

63.0%
Allow Rate
+11.0% vs TC avg
916
Total Applications
+20.8%
Interview Lift
852
Avg Prosecution Days
Based on 851 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
35.7%
§102 Novelty
39.4%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18414766 MAGNETIC BUCKLING ASSEMBLY Final Rejection Wonderland Switzerland AG
18830009 Fastening Clip Non-Final OA Illinois Tool Works Inc.
18623306 Pinch Resistant Helmet Buckle Final Rejection Illinois Tool Works Inc.
18966130 TAB PULL FOR FASTENER Non-Final OA 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
18950242 FLEXIBLE FASTENING STRAP Non-Final OA Velcro IP Holdings LLC
18991415 COIL-TYPE FLUID-IMPERVIOUS ZIPPER AND COMMERCIAL PRODUCT USING SAME Non-Final OA Shiu-Yin CHENG

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