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

(Leading lawyers)

Robert CohnHogan Lovells US LLP

Hogan Lovells US LLP‘s ‘breadth and depth of aviation expertise makes the firm stand out from other firms‘. The aviation practice fields specialists in the operational rules and regulatory regimes concerning both airlines and unmanned aircraft systems (UAS). Clients also benefit from the team’s aviation-focused colleagues in the firm’s Brussels, Beijing, Munich, London, Paris, Singapore, and Mexico City offices. Senior counsel Robert Cohn, who ‘may have more aviation experience than anyone practicing law in the US‘, heads the global aviation practice group; and Lisa Ellman is a leading light in the UAS/drone/urban air mobility market. Also key to the practice are senior counsel E (Ted)Tazewell Ellett, who has over 30 years’ experience in advising aviation industry clients; and the ‘always available and responsive‘ counsel Patrick Rizzi, who advises on business-critical regulatory, litigation and transactional matters. Matthew Clark is the senior associate to note. Named lawyers are based in Washington DC.