17 U.S.C. § 1501 - U.S. Code - Unannotated Title 17. Copyrights § 1501. Definitions

(1) the term “claimant” means the real party in interest that commences a proceeding before the Copyright Claims Board under section 1506(e), pursuant to a permissible claim of infringement brought under section 1504(c)(1), noninfringement brought under section 1504(c)(2), or misrepresentation brought under section 1504(c)(3);

(2) the term “counterclaimant” means a respondent in a proceeding before the Copyright Claims Board that--

(3) the term “party”--

(4) the term “respondent” means any person against whom a proceeding is brought before the Copyright Claims Board under section 1506(e), pursuant to a permissible claim of infringement brought under section 1504(c)(1), noninfringement brought under section 1504(c)(2), or misrepresentation brought under section 1504(c)(3).