15 Pa.C.S. § 2921
(b) Additional names permitted.— The provisions of section 202 (relating to requirements for names generally) shall not prohibit the use of a name of a professional corporation if the name contains and is restricted to the name or the last name of one or more of the present, prospective or former shareholders or of individuals who were associated with a predecessor or whose individual name or names appeared in the name of the predecessor. The name may also contain:
(Dec. 18, 1992, P.L.1333, No.169, eff. 60 days; Oct. 22, 2014, P.L.2640, No.172, eff. July 1, 2015)
2014 Amendment. Act 172 amended subsec. (b).