Patent Attorney Leon M. Cao

USPTO Data

USPTO data is frequently out of date.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

Reg. No.:83952
Firm/Company:Banner & Witcoff
Address:Chicago, IL 60606
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This information is obtained from searching the Internet and may be out of date or incorrect.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: Home - Banner Witcoff
Other info: LinkedIn Profile Not Found
Firm Profile
Last Updated:2026-09-09

Top Applicants

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

Applicant Count
Silicon Storage Technology, Inc. 84
PackIt, LLC 16
Q.E.P. Co. Inc. 12
United CoolAir, LLC 11
Xirgo Technologies, LLC 10
Northwestern University 9
DWFritz Automation, Inc. 8
DW Energy LLC 8
Science Corporation 7
ZUMEX GROUP, S.A. 6
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