Or did the release of the Bates Bond release them to file?
From the Nokia Settlement Agreement.
"Agreement Not to Pursue Infringement Claims. Contingent upon InterDigital’s receipt of the Settlement Fee in accordance with Section 5(a) herein, InterDigital and its Affiliates agree not to initiate or assert any patent infringement claims in any action, litigation, arbitration, or other legal or administrative proceeding (including a United States International Trade Commission action or comparable actions in any other jurisdictions around the world) against Nokia or its Affiliates before [***], other than in response to a future affirmative action or claim initiated or asserted on or after the Effective Date by Nokia or its Affiliates concerning the validity or infringement of InterDigital Patents (but specifically excepting any [***] of: (i) [***]; or (ii) [***]). InterDigital may, at its option, file such responsive action, litigation or proceeding in any forum of InterDigital’s choice, subject to the rights of Nokia or its Affiliates to contest personal jurisdiction or seek to dismiss, stay, or transfer the action."