Robert Cohn > Hogan Lovells US LLP > Washington DC, United States > Lawyer Profile

Hogan Lovells US LLP
United States

Work Department

Global Regulatory


Senior Counsel


With a decades-long aviation-focused legal career, Bob Cohn is widely recognized as one of the deans of the U.S. aviation bar and has been a leader of Hogan Lovells’ global Aviation practice. Bob advises major U.S. and foreign passenger and cargo airlines, regional airlines, new entrant/low cost carriers, municipalities, airport owners and operators, airport developers, private equity and venture capital firms, maintenance, repair or overhaul companies, and aviation technology companies. Bob has also served as general counsel to one of the first post-deregulation airlines. Under Bob’s leadership, Chambers USA has consistently ranked Hogan Lovells as the top U.S. aviation law firm. Bob’s practice spans every facet of aviation law, including airline licensing and compliance, airport certification and compliance, airport privatization, antitrust, airline investment structures, airport use and lease agreements, aircraft acquisitions and financing, mergers and acquisitions, U.S. export import bank financings, and public private partnerships. He advises clients on domestic and cross-border acquisition, financing and leasing of aircraft, engines, and spare parts, negotiating and obtaining government approvals of global antitrust immunized joint venture alliances, and complex airport privatization (P3) projects. 




Member, Aero Club

Member, American Bar Association

Member, Federal Bar Association

Member, International Aviation Club


J.D., Georgetown University Law Center, 1969

B.A., Syracuse University, 1966

Lawyer Rankings

United States > Industry focus > Transport: aviation and air travel - litigation and regulation

(Hall of Fame)

Robert CohnHogan Lovells US LLP

Hogan Lovells US LLP‘s Washington DC office houses several aviation specialists, who act across a range of areas and consistently demonstrate ‘extraordinary industry experience‘. In addition to its traditional aviation practices, the department assists with cutting-edge transportation work, such as the development of commercially viable hydrogen-powered aircraft. In other highlights, the team recently advised on COVID-19 flight cancellations, refunds, and consumer protection matters, as well as regulatory issues. Heading the global aviation practice, senior counsel Robert Cohn‘s client base includes US and foreign airlines, low-cost airlines, financial institutions, and airport and infrastructure developers. Lisa Ellman plays a leadership role in the un-crewed aircraft systems and drones sectors. Also integral to the team are counsel Patrick Rizzi, who has extensive aviation law experience and regularly represents clients before the US DOT and the Federal Aviation Administration (FAA); and senior counsel Ted Ellett, who advises aviation industry clients on business, legislative, FAA and US DOT regulatory matters. Arjun Garg joined in 2021 as partner from the FAA, where he was Chief Counsel, while senior associate Matthew Clark is a regulatory specialist.