Trademark law furthers these goals by regulating the proper use of trademarks. Trademarks are governed by both state and federal law. Originally, state common law provided the main source of ...

T-Mobile US Inc. won’t get to argue before the US Supreme Court that common law trademark rights require “continuous use,” ...

Quebec’s language law described as a trade barrier by the U.S. as questions remain about translation requirement.

DOLLAR FINANCIAL GROUP, INC. v. BRITTEX FINANCIAL, INC. [OPINION] - Before Prost, Taranto, and Hughes.  Appeal from the United States Patent ...

One limitation of common law ownership is that your name is only protected in the geographic area where it's being used. When ...

Continued ownership of a trademark, whether at common law or via state or federal registration, requires ongoing and continued use of the mark in commerce by the owner or a licensee. To transfer ...

The decision sets out the criteria to establish unregistered or common law trademark rights, notably in relation to personal names.