Federal trademark law that provided a national system of trademark registration and protects the owner of a valid trademark against the use of similar marks if any confusion might result.

A federal law that permits a company to register a trademark for its exclusive use. The Lanham Act was recently amended to encompass false advertising and prohibits any false description or representation including words or other symbols tending falsely to describe or represent the same [Go to source

a federal law, passed in 1946, dealing with trademark definition, registration, and protection and that also regulates advertising by prohibiting false claims made by an advertiser about its own product or service; also permitted the registration of service marks. Unlike the Federal Trade Commission Act, this act permits an advertiser to file a civil suit against a competitor for false and deceptive claims the competitor makes about its own product or service in its advertising. Scope of civil action possibilities was broadened by the Trademark Law Revision Act. See trademark, service mark, certification mark, and Trademark Law Revision Act.