In a proceeding pursuant to CPLR article 75 to disqualify the law ¦rm of Nixon Peabody LLP, from representing Thomas Panetta and Thomas Panetta M.D. Vascular Surgery, PLLC, in an arbitration proceeding, the petitioners appeal, and Thomas Panetta and Thomas Panetta M.D. Vascular Surgery, PLLC, cross-appeal, from an order of the Supreme Court, Nassau County (Jack L. Libert, J.), entered March 7, 2016.