Prosecution and defense of trust and probate beneficiary claims, including claims alleging breach of fiduciary duty by trustees, executors and administrators  petitions for interpretation and enforcement of trust and will instruments, creditor and third party claims, determination and performance of trustee owners  beneficiary “common benefit” and other claims to recover litigation expense, accounting disputes, surcharge disputes, partition actions, will and trust disputes (including involving “no contest” clauses) and disputes relating to identity or status of beneficiaries.