This document is an opening brief submitted on behalf of additional judgment debtors and appellants in the Court of Appeal of California. It summarizes a case where the plaintiff Stephen Gaggero sued his former attorneys for legal malpractice. After trial, the court added additional entities and trusts as judgment debtors on an alter ego theory. The brief argues that 1) the trial court found Gaggero controlled his own litigation so the additional parties cannot be liable, 2) the alter ego decision was based on unsupported findings of misconduct, 3) respondents are estopped from making an alter ego claim, 4) appellants are not legally alter egos under California law, and 5) the trusts added cannot be liable because they are irrevoc