the Parties, as between the Parties, SpinCo shall have the right to enforce the Licensed SpinCo IP as follows: (i) SpinCo shall have the right, but not the obligation (through itself and/or through its designee), to control the initiation, conduct and, subject to this Section 3.6, settlement or other resolution, at its cost and expense and in its sole discretion, of any enforcement claim, demand, action, suit or proceeding, whether civil or criminal or in law or in equity (each, an "IP Action") relating to the Licensed SpinCo IP, including the right to communicate any objection or other form of challenge to any Third Party; and -10- (ii) if SpinCo does not initiate such an IP Action itself or through its designee with respect to infringement, misappropriation or other violation of any Licensed SpinCo IP within the Parent Field by a Third Party within ninety (90) days after receipt of a written request from Parent to assume control over the enforcement of such violation of such Licensed SpinCo IP inside the Parent Field, then Parent shall have, with the prior consent of SpinCo, which will not be unreasonably withheld, the right, but not the obligation, to bring and to control such IP Action (provided that if Parent does not do so within thirty (30) days after the end of such original ninety (90) day-deadline, the right to initiate and control an IP Action shall revert back to SpinCo and shall again be subject to the terms set forth above). For avoidance of doubt, Parent shall not have any right to initiate any IP Action with respect to infringement, misappropriation or other violation of any Licensed SpinCo IP by a Third Party except within the Parent Field. (b) Enforcement Action Process. (i) The Party initiating or otherwise controlling any enforcement IP