Md. Code, Courts and Judicial Proceedings § 5–204

A foreign corporation or foreign limited partnership required by law to qualify or register to do business in the State or a person claiming under the foreign corporation or foreign limited partnership, may not benefit from any statute of limitations in an action at law or suit in equity:

(1) Arising out of a contract made or liability incurred by the foreign corporation or foreign limited partnership while doing business without having qualified or registered; or

(2) Instituted while the foreign corporation or foreign limited partnership is doing intrastate or interstate or foreign business in the State without having qualified or registered.