Columbia subject headings:
Impostors and imposture--United States.
Patent extensions--United States.
Product counterfeiting--United States.
Trademarks--Law and legislation--United States.
United States. Trademark Act of 1946.
United States. Trademark Anticounterfeiting Act of 1998.
Harvard subject headings:
Impostors and imposture--United States.
Patent extensions--United States.
Product counterfeiting--United States.
Trademarks--Law and legislation--United States
United States. Trademark Anticounterfeiting Act of 1998.
United States. Trademark act of 1946.
Princeton subject headings:
Impostors and imposture--United States.
Patent extensions--United States.
Product counterfeiting--United States.
Trademarks--Law and legislation--United States.
United States. Trademark Act of 1946
United States. Trademark Anticounterfeiting Act of 1998.