right it covers has vested under clause (2) of this subsection, including
those who did not join in signing it. If any person dies after rights
under a terminated grant have vested in him or her, that person's
legal representatives, legatees, or heirs at law represent him or her
for purposes of this clause.

(4) A further grant, or agreement to make a further grant, of any
right covered by a terminated grant is valid only if it is made after
the effective date of the termination. As an exception, however, an
agreement for such a further grant may be made between the persons
provided by clause (3) of this subsection and the original grantee or
such grantee's successor in title, after the notice of termination has
been served as provided by clause (4) of subsection (a).

(5) Termination of a grant under this section affects only those
rights covered by the grants that arise under this title. and in no way
affects rights arising under any other Federal, State, or foreign laws.

(6) Unless and until termination is effected under this section, the
grant, if it does not provide otherwise, continues in effect for the term
of copyright provided by this title.


Section 204. Execution of transfers of copyright ownership.

(a) A transfer of copyright ownership, other than by operation of
law, is not valid unless an instrument of conveyance, or a note or
memorandum of the transfer, is in writing and signed by the owner of
the rights conveyed or such owner's duly authorized agent.