or Product Trademarks (or any confusingly similar trademark). 10.3 Prosecution and Maintenance. Janssen will have the right (and not the obligation) to prepare, file, prosecute and maintain any intellectual property right of Janssen or its Affiliates claiming or covering the Product or its use in its sole discretion and at its own cost. 10.4 Enforcement against Infringement. Janssen and Company will each promptly notify the other in writing of any alleged or threatened infringement by a Third Party in the Territory of any intellectual property right of Janssen or its Affiliates claiming or covering the Product or its use in treating urothelial cancer, or any alleged or threatened assertion by a Third Party of invalidity of any of the intellectual property rights of Janssen or its Affiliates claiming or covering the Product or its use in treating urothelial cancer in the Territory, of which such Party becomes aware. Janssen and its Affiliates shall have the sole right (but not the obligation) to prosecute any such infringement in its sole discretion and at its sole cost. 10.5 Third Party Infringement Claims. In the event that Janssen or its Affiliate(s) decides to obtain a license to intellectual property from a Third Party in the Territory in order to commercialize the Product, whether or not due to a Third Party claim, notice, or suit or other inter partes proceeding against Janssen, Company and/or their Affiliates alleging that the commercialization of the Product in the Territory infringes or misappropriates any intellectual property rights of such Third Party, Janssen and its Affiliate(s) shall be solely responsible for the costs associated with such license and Company shall provide reasonable cooperation to Janssen or its applicable Affiliate(s) in procuring and complying with such license. ARTICLE XI REPRESENTATIONS AND WARRANTIES; CERTAIN COVENANTS 11.1 Representations of Authority. Janssen and