Jonathan has a diverse litigation practice including commercial disputes, complex products liability, employment litigation, white collar criminal defense, civil rights, media law and insurance.
He has tried numerous jury cases to verdict in both state and federal courts. Jonathan has handled over one hundred appeals, and has argued in the First, Third and Fourth Departments, the New York Court of Appeals, and in the United States Court of Appeals for the Second, Sixth and Eighth Circuits. In 2009, he obtained one of the largest arbitration awards in the history of FINRA, a $40 million award against Merrill Lynch. Jonathan has been involved in several multi-district litigation matters and class and collective actions.