Maryland Business Regulation Section 1-406
§ 1-406.
  (a)   An applicant for registration of a mark shall:
    (1)   submit to the Secretary of State:
      (i)   an application on the form that the Secretary of State provides; and
      (ii)   3 specimens or reproductions of the mark; and
    (2)   pay to the Secretary of State a fee of $50.
  (b)   An application shall be signed, under oath:
    (1)   for an individual, by the individual;
    (2)   for a partnership, by a partner; or
    (3)   for a corporation or association, by an officer of the corporation or association.
  (c)   In addition to any other information required on an application form, the form shall require:
    (1)   the name of the applicant;
    (2)   the business address of the applicant;
    (3)   for an applicant that is a corporation, the state of incorporation;
    (4)   the goods or services with which the applicant uses the mark;
    (5)   the way the applicant uses the mark with the goods or services;
    (6)   the class under § 1-405 of this subtitle to which the goods or services belong;
    (7)   the date when the applicant or the applicant's predecessor in business:
      (i)   first used the mark anywhere; and
      (ii)   first used the mark in the State; and
    (8)   a statement that:
      (i)   the applicant owns the mark;
      (ii)   another person does not have the right to use the mark in the State; and
      (iii)   the mark is not deceptively similar to a mark that another person has a right to use in the State.
  (d)   A single application for registration of a mark:
    (1)   may cover use of the mark with any number of goods or services in a single class; but
    (2)   may not cover use of the mark with goods or services in different classes.