 MAYNARD, Mass., Jan. 11, 2021 GLOBE NEWSWIRE -- Acacia Communications, Inc. Nasdaq: ACIA Acacia or the Company today announced that it filed its answer and affirmative defenses in response to the complaint filed by Cisco Systems, Inc. Nasdaq: CSCO Cisco in the Delaware Court of Chancery and simultaneously filed a counterclaim against Cisco seeking a declaration that Acacia validly terminated the merger agreement with Cisco because the required Chinese regulatory approval was not obtained and the merger did not close before the agreed-upon termination date under the agreement. 