Washington Revised Code Title 63. Personal Property § 63.60.040. Right is exclusive for individuals and personalities

(1) For individuals, except to the extent that the individual may have assigned or licensed such rights, the rights protected in this chapter are exclusive to the individual, subject to the assignment or licensing of such rights, during such individual's lifetime and are exclusive to the persons entitled to such rights under RCW 63.60.030 for a period of ten years after the death of the individual except to the extent that the persons entitled to such rights under RCW 63.60.030 may have assigned or licensed such rights to others.

(2) For personalities, except to the extent that the personality may have assigned or licensed such rights, the rights protected in this chapter are exclusive to the personality, subject to the assignment or licensing of such rights, during such personality's lifetime and to the persons entitled to such rights under RCW 63.60.030 for a period of seventy-five years after the death of the personality except to the extent that the persons entitled to such rights under RCW 63.60.030 may have assigned or licensed such rights to others.

(3) The rights granted in this chapter may be exercised by a personal representative, attorney-in-fact, parent of a minor child, or guardian, or as authorized by a court of competent jurisdiction. The terms “personal representative,” “attorney-in-fact,” and “guardian” shall have the same meanings in this chapter as they have in Title 11 RCW.