Common use of Maintenance and Costs Clause in Contracts

Maintenance and Costs. If a Product Trademark owned by AVEO or any of its Affiliates or Sublicensees is used by Biogen Idec or any of its Affiliates or Sublicensees to promote and sell the Licensed Product in the Licensed Territory, then AVEO will use Commercially Reasonable Efforts to establish, maintain and enforce such Product Trademarks in the applicable countries of the Licensed Territory. Biogen Idec shall be responsible for [**] of the costs of such efforts in the Licensed Territory and Biogen Idec shall reimburse AVEO for all such costs incurred by AVEO within [**] after receiving any invoice from AVEO for such costs. If a Product Trademark owned by Biogen Idec or any of its Affiliates or Sublicensees is used by AVEO or any of its Affiliates or Sublicensees to promote and sell the Licensed Product in the AVEO Territory, then Biogen Idec will use Commercially Reasonable Efforts to establish, maintain and enforce such Product Trademarks in the applicable countries in the AVEO Territory. AVEO shall be responsible for [**] of the costs of such efforts in the AVEO Territory and AVEO shall reimburse Biogen Idec for all such costs incurred by Biogen Idec within [**] after receiving any invoice from AVEO for such costs.