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.

+1 703 456 8044

Bob Cahill is a commercial litigation partner focused on representing technology and life sciences companies, among others, in a diverse range of complex disputes. Over the course of his career, Bob has litigated matters concerning securities, antitrust, complex commercial transactions and agreements, land use and real estate transactions, FCRA claims, government contracts, pharmaceuticals, medical devices, software licenses, fraud and trade secrets.

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  • 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.



+1 703 456 8044 office
+1 703 456 8100 fax

Reston Town Center
11951 Freedom Drive
14th Floor
Reston, VA 20190-5640