In 2000, law firm #1 sent a letter to a lawyer offering him employment; the letter contained an arbitration provision. In 2006, law firm #2, which had subsumed law firm #1 in a merger, and the lawyer signed a termination agreement/resignation letter. Later, the lawyer sued law firm #2 for breach of the termination agreement. Law firm #2 petitioned for arbitration, and the lawyer contended the 2006 termination agreement, which did not contain an arbitration provision, constituted a novation of the offer letter.