Prosecution and Enforcement. The provisions of Article 8 shall be terminated, except Section 8.1. In addition, as between the Parties, [[EPIZYME:Organization]] shall have the right (but not the obligation) to prosecute, maintain and enforce all EISAI Collaboration Patents that are primarily applicable to [[Unknown Identifier]] or [[Unknown Identifier]] Compounds and licensed to [[EPIZYME:Organization]] pursuant to [clause (d) above], under the same terms and to the same extent as [[EPIZYME:Organization]] had the right to prosecute, maintain and enforce the EISAI Collaboration Patents under Article 8 during the Term. EISAI shall provide such assistance and cooperation as may be reasonably necessary in connection with the transition of prosecution and enforcement responsibilities to [[EPIZYME:Organization]] with respect to such EISAI Collaboration Patents, including execution of such documents as may be necessary to effect such transition.

Prosecution and Enforcement. The provisions of Article 8 shall be terminated, except Section 8.1. In addition, as between the Parties, EISAI shall have the right (but not the obligation) to prosecute, maintain and enforce all [[EPIZYME:Organization]] Collaboration Patents that are primarily applicable to [[Unknown Identifier]] or [[Unknown Identifier]] Compounds and licensed to EISAI pursuant to [clause (a) above], under the same terms and to the same extent as [[EPIZYME:Organization]] had the right to prosecute, maintain and enforce the [[EPIZYME:Organization]] Collaboration Patents under Article 8 during the Term. [[EPIZYME:Organization]] shall provide such assistance and cooperation as may be reasonably necessary in connection with the transition of prosecution and enforcement responsibilities to EISAI with respect to such [[EPIZYME:Organization]] Collaboration Patents, including execution of such documents as may be necessary to effect such transition.