Patent Attorney Leif R Sigmond Jr

USPTO Data

USPTO data is frequently out of date.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

Reg. No.:35680
Firm/Company:Baker &Hostetler LLP
Address:Chicago, IL 60606
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This information is obtained from searching the Internet and may be out of date or incorrect.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: Home | BakerHostetler
Other info: LinkedIn Profile Not Found
Firm Profile
Last Updated:2026-03-06

Top Applicants

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

Applicant Count
Convida Wireless, LLC 686
EBARA CORPORATION 646
The Trustees of the University of Pennsylvania 425
SHANGHAI BILIBILI TECHNOLOGY CO., LTD. 139
The Trustees of Columbia University in the City of New York 127
Drexel University 125
PRELUDE THERAPEUTICS INCORPORATED 113
California Institute of Technology 87
Clexio Biosciences Ltd. 79
Eagle Pharmaceuticals, Inc. 57
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