U.S. Purchase Option. (a) If the Interference Proceeding (including any appeals therefrom to the Federal Circuit (including any en banc review)) results in the subsistence and ownership by Licensee (or an Affiliate of Licensee) of Patent US 8,399,514 B2 (and, for the avoidance of doubt, does not result in Licensor owning a Relevant Patent), then Licensee or its designated Affiliate shall have the option (but not the obligation) to acquire all of Licensor’s, the Additional Parties’ and their respective controlled Affiliates’ right, title and interest in, to and under the U.S. Licensed Intellectual Property (excluding any and all liabilities arising out of or in connection with the U.S. Licensed Intellectual Property) for the consideration set forth in Section 3.06(d) (the “U.S. Acquisition Option”).