You agree to cooperate fully with the Company Group, both during and after your employment, with respect to the procurement, maintenance and enforcement of trademarks, copyrights and patents and any other intellectual property rights (in the United States and foreign countries) relating to Developments. You agree to sign all papers, including, without limitation, trademark applications, copyright applications, patent applications, declarations, oaths, formal assignments, assignments of priority rights and powers of attorney, which the Company may deem necessary or desirable in order to protect its rights and interests in any Development.