Here, we agree with the Supreme Court’s determination that the complaint insofar as asserted against Guerra is preempted by section 301 of the Federal Labor Management Relations Act, and that attorneys such as Guerra who perform services for and on behalf of a union may not be held liable in malpractice to individual grievants such as the plaintiff where the services performed constitute part of the collective bargaining process (see Mamorella v Derkasch, 276 AD2d 152, 155-157; see… [read post]