Probably not. These likely are considered nondeductible personal expenses for you. Legal fees are usually deductible only if they are related to:
While there are no cases or rulings on this point, it may be possible for the impaired person to treat the legal fees as a deductible medical expense if he or she itemizes deductions (e.g., the conservator or guardian incurs the fees to get the taxpayer committed to a medical facility or treatment). If the impaired person is another taxpayer’s dependent, then the costs would be treated as the taxpayer’s medical expenses.
On Form 1040X, you may file an amended return within a three-year period to claim a refund or correct a mistake made on an original or previously amended return.