Maryland Business Occupations and Professions Section 10-604

      (a)      Without an existing relationship or interest in an issue:

            (1)      a person may not, for personal gain, solicit another person to sue or to retain a lawyer to represent the other person in a lawsuit; and

            (2)      a lawyer, except as provided in the Rules of Professional Conduct, may not:

                  (i)      for personal gain, solicit another person to sue or to retain the lawyer to represent the person in a lawsuit;

                  (ii)      directly or indirectly employ or in any way compensate or agree to employ or compensate any person as an expert witness or otherwise for the purpose of having that person solicit or attempt to solicit clients for the lawyer;

                  (iii)      knowingly represent a person who retained the lawyer as a result of solicitation prohibited under this section; or

                  (iv)      cause a case to be instituted without the authority of a client.

      (b)      Any solicitation involving acts described in this section is prima facie evidence that the person soliciting is acting for gain.