The Assignors hereby covenant and agree that they will communicate to the Assignee, its successors, legal representatives and assigns, any material facts (including information relating to use or non-use, enforceability, or infringement of the Transferred Intellectual Property) known to the Assignors with respect to the Transferred Intellectual Property and testify in any legal proceeding, sign all lawful papers, execute all applications (including, but not limited to, powers of attorney, specific assignments, transfers and assurances), make all rightful oaths and use reasonable best efforts at the request of the Assignee to aid the Assignee, its successors, legal representatives and assigns in obtaining and enforcing protection for the Transferred Intellectual Property and in enjoying the full benefits thereof. The Assignors hereby constitute and appoint the Assignee the true and lawful attorney of the Assignors to act as the Assignors’ attorney-in-fact solely for the purpose of executing any documents and taking all necessary steps to cause the Assignors to perform any of the Assignors’ obligations set forth in this Assignment.