(a) Each of Parent and SpinCo, at the request of the other, shall use its commercially reasonable efforts to obtain, or to cause to be obtained, as soon as reasonably practicable, any consent, substitution, approval or amendment required to novate or assign all SpinCo IP Liabilities and obtain in writing the unconditional release of each member of the Parent Group that is a party to any such arrangements, so that, in any such case, the members of the SpinCo Group shall be solely responsible for such SpinCo IP Liabilities; provided, however, that, except as otherwise expressly provided in this Agreement or any of the Ancillary Agreements, neither Parent nor SpinCo shall be obligated to contribute any capital or pay any consideration in any form (including providing any letter of credit, guaranty or other financial accommodation) to any third Person from whom any such consent, substitution, approval, amendment or release is requested. (b) If Parent or SpinCo is unable to obtain, or to cause to be obtained, any such required consent, substitution, approval, amendment or release as set forth in Section 2.4(a) and the applicable member of the Parent Group continues to be bound by such agreement, lease, license or other obligation or Liability (each, an "Unreleased SpinCo IP Liability"), SpinCo shall, to the extent not prohibited by Law, as indemnitor, guarantor, agent or subcontractor for such member of the Parent Group, as the case may be, (i) pay, perform and discharge fully all the obligations or other Liabilities of such member of the Parent Group that constitute Unreleased SpinCo IP Liabilities from and after the Effective Time and (ii) use its commercially reasonable efforts to effect such payment, performance or discharge prior to any demand for such payment, performance or discharge is permitted to be made by the obligee thereunder