Prosecution Insights
Last updated: October 26, 2026

Michael S Leslie, USPTO Patent Examiner

Listed by the USPTO as LESLIE, MICHAEL S

Tech Center 3700 • Art Units: 3616 3745

This examiner grants 81% of resolved cases

Analysis

LESLIE, MICHAEL S is associated with Tech Center 3700 and Art Unit 3616. The profile includes 1152 resolved cases, an 81.3% allowance rate, and a 14.4% interview lift. The median time to allowance is 862 days. The substantial case record supports a meaningful historical view of the allowance pattern, while the interview measure indicates a moderate role for examiner discussions in the reported outcomes.

The listed companies are HYDAC Technology GmbH, Readi Robust Machine Co. Ltd., and LG Energy Solution Ltd. The listed firms are Slayden Grubert Beard PLLC, BANNER & WITCOFF, LTD., and CROWELL & MORING LLP. Practitioners may combine focused interviews with disciplined written prosecution, particularly where a technical distinction can be explained efficiently. The allowance rate indicates a favorable historical outcome pattern, and the median duration provides a practical reference for prosecution planning and portfolio management.

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

Performance Statistics

81.3%
Allow Rate
+11.3% vs TC avg
1,171
Total Applications
+14.4%
Interview Lift
862
Avg Prosecution Days
Based on 1152 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
31.0%
§102 Novelty
30.4%
§103 Obviousness
29.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18291424 Cleaning Apparatus of Carrier for Secondary Battery Non-Final OA LG Energy Solution, Ltd.
19490322 PUMP CONTROL DEVICE AND FLUID PRESSURE CONTROL SYSTEM Non-Final OA KYB Corporation
19107469 HYDRAULIC PRESSURE CIRCUIT Non-Final OA EAGLE INDUSTRY CO., LTD.
19107032 ACTUATOR CURVED INNER LENGTH MEASUREMENT APPARATUS AND METHOD FOR MEASURING ACTUATOR CURVED INNER LENGTH Non-Final OA THE UNIVERSITY OF TOKYO
18947951 CONTROLLING MULTIPLE EVERSION-BASED ACTUATORS Non-Final OA Electronics for Imaging, Inc.
18347723 LASER PROCESSING MACHINE Non-Final OA DISCO CORPORATION
19110504 Method Non-Final OA Hydac Technology GmbH
18849696 Piston Accumulator Non-Final OA Hydac Technology GmbH
19106967 ELECTROHYDRAULIC ACTUATOR Non-Final OA BUCHER HYDRAULICS AG

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Frequently Asked Questions

What is examiner Michael S Leslie's allowance rate?

81.3% of resolved applications examined by Michael S Leslie were allowed (1,152 resolved cases), compared with 73.2% across Art Unit 3616 over the last five years.

Does an interview help with examiner Michael S Leslie?

This examiner's interview lift is +14.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael S Leslie take to allow a patent?

Applications allowed by Michael S Leslie took 862 days on average from filing to allowance.

Which art unit does examiner Michael S Leslie work in?

Michael S Leslie examines applications in Art Unit 3616 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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