Robert Cahill


Whether taking a case to trial or disposing of it early on, I’m all about finding the right solution for my client's business.

Bob Cahill is a commercial litigation partner focused on representing companies in the technology, real estate and life sciences industries, among others, in a diverse range of high-stakes, complex disputes. Over the course of his career, Bob has litigated matters across the US concerning antitrust, complex commercial transactions, land use and real estate transactions, corporate governance, government contracts, pharmaceuticals, fraud/trade secrets and securities. Bob's generalist approach to his practice has positioned him to be a dependable, sought-out litigator for companies no matter the issue. 

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  • Cooley Secures Transatlantic Win for IQVIA 

  • Charlottesville Plaintiffs Secure Justice Against White Supremacist Leaders and Groups With Historic Lawsuit Win 

  • Cooley Secures Fourth Circuit Win for InfiLaw 

  • Patheon Prevails in Antitrust Battle with Procaps 

  • Appellate Court Affirms Victory for Patheon in Antitrust Suit with Procaps 


  • University of Richmond School of Law
    JD, cum laude, 1995

  • Old Dominion University
    BA, Political Science
    summa cum laude, 1991

Admissions & Credentials


Representative Cases

Bob Cahill has been involved in a variety of complex and high-profile cases.