Nothing in this chapter shall adversely affect the rights or the enforcement of rights in marks acquired in good faith at any time at common law.
54 Pa.C.S. § 1126
Common law rights
Known as the Pennsylvania Trademark Act
The act spans §§ 54-1101 to 54-1126 (15 sections).
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.