Serv., Inc., 124 F.3d 849, 864 (7th Cir.1997) (“ ‘[EJlementary contract law provides that upon a valid and unqualified assignment the assignee stands in the shoes of the assignor and assumes the same rights, title and interest possessed by the assignor.’ ” (quoting Moutsopoulos v. Am. Mut. Ins. Co., 607 F.2d 1185, 1189 (7th Cir.1979))). Neither Fred Fisher Music nor Miller Music identified the point at which a prerenewal-term assignment of a renewal copyright is no longer contingent and is therefore guaranteed to vest in the assignee. The Court did not define “renewal period” or otherwise specify whether an assignment sheds its contingent status upon commencement of the renewal year, registration, or commencement of the renewal term. See Stewart, 495 U.S. at 220 n. 2, 110 S.Ct. 1750 (<HOLDING>). Because the author in Miller Music had died
holding it is a question of fact recognizing application of the doctrines may involve a fact question for the jury but not finding such a question in the case before it recognizing that the question of whether courts should extend chevron deference to an agencys interpretation of an explicit preemption provision remains open holding that generally the question of waiver and estoppel is a question of fact recognizing the open question