Maryland Statutes
Subtitle 10 - Derivative Actions
Section 10-1002 - Proper Plaintiff

In a derivative action, the plaintiff must be a partner at the time of bringing the action and:
        (1)    Have been a partner at the time of the transaction of which he complains; or
        (2)    Have had his status as a partner devolve on him by operation of law from a person who was a partner at the time of the transaction.