Prosecution Insights
Last updated: October 26, 2026

Kevin Sylvester, USPTO Patent Examiner

Listed by the USPTO as SYLVESTER, KEVIN

Tech Center 1700 • Art Units: 1759 1794

This examiner grants 48% of resolved cases

Analysis

SYLVESTER, KEVIN works in Tech Center 1700 and art unit 1759. The record contains 40 resolved cases, with a 47.5% allowance rate and a 27.4% interview lift. The median time to allowance is 1281 days. The case volume is limited, but the positive interview figure supports considering examiner discussions while planning for a prosecution period that may be extended.

The leading companies are Uop LLC, BASF Coatings GmbH, and Technische Universität München. The associated firms are BakerHostetler, BIRCH STEWART KOLASCH & BIRCH, LLP, and Bradley Arant Boult Cummings LLP. These names give practitioners a reference set for chemical, coatings, and institutional subject matter.

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

Performance Statistics

47.5%
Allow Rate
-17.5% vs TC avg
89
Total Applications
+27.4%
Interview Lift
1281
Avg Prosecution Days
Based on 40 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
23.3%
§102 Novelty
57.2%
§103 Obviousness
18.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18482323 FILM FORMATION DEVICE FOR METAL FILM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18067775 CATALYST, CATALYST FOR WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING CATALYST Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17967394 METHOD OF MANUFACTURING ELECTRODE FOR WATER ELECTROLYSIS AND ELECTRODE FOR WATER ELECTROLYSIS MANUFACTURED THEREBY Final Rejection KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
17778483 ELECTRODEPOSITION COATING MATERIAL CONTAINING CATECHOL DERIVATIVES AS ANTICORROSION AGENTS Non-Final OA BASF COATINGS GMBH
17756215 Electrodeposition Coating Material Containing Organic Polyhydroxy-Functional Anticorrosion Agents Final Rejection BASF COATINGS GMBH
18420137 NANOWIRE BASED HYDROGEN SENSORS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17624648 AUTOMOTIVE CRASHWORTHINESS ENERGY ABSORPTION PART AND PRODUCTION METHOD OF AUTOMOTIVE CRASHWORTHINESS ENERGY ABSORPTION PART Non-Final OA JFE STEEL CORPORATION
17923126 PLATING APPARATUS Final Rejection EBARA CORPORATION
17763858 SUBSTRATE HOLDER AND SUBSTRATE TREATMENT APPARATUS Non-Final OA EBARA CORPORATION
18319762 MICROPOROUS ASYMMETRIC ORGANIC/INORGANIC COMPOSITE MEMBRANE Final Rejection UOP LLC
17662677 METHOD OF PREPARING METAL OXIDE CATALYSTS FOR OXYGEN EVOLUTION Final Rejection UOP LLC

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Frequently Asked Questions

What is examiner Kevin Sylvester's allowance rate?

47.5% of resolved applications examined by Kevin Sylvester were allowed (40 resolved cases), compared with 69.3% across Art Unit 1759 over the last five years.

Does an interview help with examiner Kevin Sylvester?

This examiner's interview lift is +27.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kevin Sylvester take to allow a patent?

Applications allowed by Kevin Sylvester took 1,281 days on average from filing to allowance.

Which art unit does examiner Kevin Sylvester work in?

Kevin Sylvester examines applications in Art Unit 1759 in Tech Center 1700 (Chemistry & Materials).

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