Even if this was business-related legal expenses, the federal deduction for miscellaneous itemized deductions has been eliminated for 2018-2025.
Assuming California still allows a miscellaneous itemized deduction for legal expenses related to the production of income, the question would be, what was your extra cost incurred because of the business relationship that was over and above the costs due to the personal situation. How much extra did you have to pay because this was a business relationship on top of a personal divorce?
