Maryland Statutes
Subtitle 5 - Issuance of Patent
Section 13-503 - Effect of Patent

(a)    The issuance of a patent operates as a quitclaim of the interest of the State in the land.
    (b)    The interest of the State does not pass and is not affected until a patent is issued.
    (c)    A patent issued on a warrant to resurvey land previously patented does not affect or impair any mortgage, deed of trust, easement, right-of-way, or similar interest in the land.