By eliminating the market power presumption for patent holders, Independent Ink calls into question the presumption\u27s continued validity for tying arrangements involving copyrights. While the Court\u27s holding directly applies only to patents, we present three reasons why, after Independent Ink, the presumption can no longer be viable in antitrust lawsuits challenging a tying arrangement involving a copyrighted product. First, the Court\u27s rationale for eliminating the presumption including citations to extensive academic writings, agency guidelines, and legislative amendments precludes the presumption\u27s continued application in any other context. Second, copyrights are significantly less likely than patents to confer market power...