Patent Agent Weidan Fan

USPTO Data

USPTO data is frequently out of date.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

Reg. No.:74304
Firm/Company:Leydig, Voit & Mayer, LTD
Address:Chicago, IL 60601-6731
Last Updated:2026-10-02

Public Data

This information is obtained from searching the Internet and may be out of date or incorrect.

Firm/Company: Leydig
Other info: LinkedIn Profile Not Found
Firm Profile
Last Updated:2026-10-10

Top Applicants

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

Applicant Count
HUAWEI TECHNOLOGIES CO., LTD. 4214
NVIDIA Corporation 529
TOYOBO CO., LTD. 284
Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO 227
Honor Device Co., Ltd. 212
AGFA NV 201
SHENZHEN SMOORE TECHNOLOGY LIMITED 187
DENKA COMPANY LIMITED 157
Spraying Systems Co. 151
Aetna Inc. 143
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