Each of Level 3, the Borrower and the Material Subsidiaries of Level 3 owns, or is licensed to use, all trademarks, tradenames, copyrights, patents and other intellectual property material to its business, and the use thereof by Level 3, the Borrower and each Material Subsidiary of Level 3, to the knowledge of Level 3 or the Borrower, does not infringe upon the rights of any other Person except for any such infringements that, individually or in the aggregate, would not constitute or result in a Material Adverse Effect.