Leo T. Evan

Evan T. Leo


  • The George Washington University Law School, J.D., with honors, 1993
  • University of California, Los Angeles, B.A., 1990


  • 1994, New York
  • 1996, District of Columbia

Evan Leo has three decades of experience in litigation and regulatory matters, with a focus on telecommunications, antitrust, and patent litigation.  He has represented a broad range of technology companies in federal courts and before the Federal Communications Commission, the Federal Trade Commission, and the Department of Justice.  Evan also leads the firm’s research group, which has produced many influential industry fact reports over the past three decades.

Evan joined the firm shortly after its founding in 1993 and has been a partner since 2000.  In the telecommunications field, Evan has represented the country’s largest wireline and wireless carriers in a wide range of proceedings before the FCC, the DOJ, the FTC, and courts.  He has co-authored many works in the field, including a case book on telecommunications law and journal articles.

Evan also is an experienced litigator.  He has represented major technology companies in patent and antitrust litigation, before the International Trade Commission and federal courts, and has deep knowledge working with highly technical subject matter.  Most recently, he was on the trial teams that successfully enforced client Corning’s patents at the ITC and that defended client Meta’s acquisition of Within Unlimited, Inc. against an FTC suit in federal court. 

Representative Experience

  • Federal Trade Commission v. Meta Platforms, Inc., Mark Zuckerberg, and Within Unlimited, Inc., No. 3:22-cv-04325 (N.D. Cal. 2023). Defeated a request by the U.S. Federal Trade Commission to preliminarily enjoin Meta’s acquisition of Within Unlimited, Inc.  After the district court ruled in favor of Meta, the FTC abandoned its parallel administrative complaint in the administrative home court.
  • Represent Verizon in FCC proceedings regarding TDM-to-IP Transition, Copper Retirement, Special Access, Switched Access, Biennial Review, broadband issues, competition issues, and program access disputes.
  • Represent independent programmers in disputes with cable operators over program carriage (including MASN v. Comcastand MASN v. Time Warner).
  • Represent satellite providers in disputes with regional sports networks (including DISH v. Comcast SportsNetand DISH v. Cablevision).
  • Involved in numerous merger reviews before the FCC and the DOJ (including AT&T-Time Warner, AT&T-T-Mobile, Verizon-MCI, SBC-Ameritech, Verizon-GTE, Bell Atlantic-NYNEX).
  • Verizon v. Cablevision (ITC patent litigation).
  • TiVo v. Verizon (E.D. Tex. Patent litigation).

Articles, News & Events

  • Co-author:  The Case for Liberal Spectrum Licenses:  A Technical and Economic Perspective, 26 Berkeley Tech. L.J. 1037 (2011)
  • Co-author:  Federal Telecommunications Law, 2d ed. 2007 Supplement (2007)
  • Co-author:  Federal Telecommunications Law, 2d ed. 2006 Supplement (2006)
  • Co-author:  UNE Fact Report (1999)
  • Co-author:  The Law and Regulation of Telecommunications Carriers, Artech (1998)