(a)Constructive notice; time for filing. Pursuant to 35 U.S.C. 135(c) , an agreement or understanding, including collateral agreements referred to therein, made in connection with or in contemplation of the termination of an interference must be filed prior to the termination of the interference between the parties to the agreement. After a final decision is entered by the Board, an interference is considered terminated when no appeal ( 35 U.S.C. 141 ) or other review ( 35 U.S.C. 146 ) has been or