Patent Attorney Brett J Rosen

USPTO Data

USPTO data is frequently out of date.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

Reg. No.:56047
Firm/Company:Buchanan Ingersoll & Rooney PC
Address:King of Prussia, PA 19406
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This information is obtained from searching the Internet and may be out of date or incorrect.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: None
Other info: LinkedIn Profile
Firm Profile Not Found
Last Updated:2026-09-13

Top Applicants

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

Applicant Count
Dr. Ing. h.c. F. Porsche Aktiengesellschaft 1358
Mitsubishi Electric Corporation 1352
TERUMO KABUSHIKI KAISHA 941
Konica Minolta, Inc. 936
FANUC CORPORATION 771
JFE STEEL CORPORATION 629
Toray Industries, Inc. 590
Arkema France 515
MITSUI CHEMICALS, INC. 444
Continental Automotive GmbH 367
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