(a)For a trademark or service mark - (1)Ownership of prior registration(s). In appropriate cases, ownership of one or more active prior registrations on the Principal Register or under the Trademark Act of 1905 of the same mark may be accepted as prima facie evidence of distinctiveness if the goods or services are sufficiently similar to the goods or services in the application; however, further evidence may be required. (2)Five years substantially exclusive and continuous use in commerce. In appropriate
Instead of an oath, affidavit, or sworn statement, the language of 28 U.S.C. 1746 , or the following declaration language, may be used: The signatory being warned that willful false statements and the like are punishable by fine or imprisonment, or both, under 18 U.S.C. 1001 , and that such willful false statements and the like may jeopardize the validity of the application or submission or any registration resulting therefrom, declares that all statements made of his/her own knowledge are true and