Patent Attorney Mark R Leslie

USPTO Data

USPTO data is frequently out of date. You can update your information at the USPTO OED website.

Reg. No.:36360
Firm/Company:K&L Gates LLP
Address:Pittsburgh, PA 15222
Last Updated:2026-04-05

Public Data

This information is obtained from searching the Internet and may be out of date or incorrect.

Firm/Company: Homepage | K&L Gates
Other info: LinkedIn Profile
Firm Profile
Last Updated:2026-04-24

Top Applicants

This practitioner has been affiliated with the following applicants over the past 10 years.

Applicant Count
Ethicon LLC 835
Cilag GmbH International 721
Ethicon Endo-Surgery, LLC 284
Covestro Deutschland AG 171
D5AI LLC 106
ATI Properties LLC 74
Teledyne Scientific & Imaging, LLC 67
Morgan Stanley Services Group Inc. 61
Covestro Intellectual Property GmbH & Co. KG 60
HOWMET AEROSPACE INC. 56
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