A $10.6 million legal malpractice judgment against Bryan Cave and one of its former attorneys was thrown out yesterday by a state appeals court. The long-running dispute involves a failed deal between two partners in a women’s apparel company.

The decision in Feinberg v. Boros, 108498/03, also held that two parties to an arbitration that has been “fully and vigorously litigated” cannot enter an agreement limiting the estoppel effect of the arbitration on third-party claims—the central issue underlying the malpractice case.