if either contractor or company or an affiliate of company is made the subject of any claim or lawsuit based on the alleged infringement or misappropriation of any third-part patent,copyright , trade secret or other proprietary right by reason of any aspect of the materials or services provided here under.Contractor or company , as applicable , shall promptly notify the other party in writing (company shall notify contractor of such claim or lawsuit against company's affiliate).company shall defend and indemnify contractor against those claims or lawsuits based on the actual or alleged infringement or misappropriation of any such third-party right by contractor only to the extent that contractor's allegedly infringing or misappropriating conduct is expressly required by company specification or expressly required in writing bycompany