Mr. Hasson is leader of the firm's Trial Team and co-leader of the Litigation Practice. His practice includes a range of litigation, including disputes regarding intellectual property rights, often in the technology and life sciences fields; internal investigations; shareholder and securities actions; contract disputes, often regarding licensing and collaboration agreements; claims of fiduciary liability; and appeals. In these areas, he has prosecuted and defended numerous state and federal trial court and arbitration cases and appeals as lead counsel, and led numerous internal investigations.

Mr. Hasson has been recognized by Chambers USA as a Tier 1 lawyer in California regarding IP and patent litigation, named a Northern California "Super Lawyer" and listed as a recommended attorney in life sciences in the U.S. by Practical Law Company's Which Lawyer?