Main Menu
Photo of Daniel S. Guarnera

Daniel S. Guarnera

  • ph: 202.326.7923
  • fx: 202.326.7999
  • Email
  • vCard

Dan Guarnera joined Kellogg Hansen as an associate in 2015.  He represents clients at the trial and appellate levels, as well as in government investigations.  He has litigated cases involving a broad range of subject matter, including antitrust, consumer-protection law, intellectual property, and the First Amendment.    

Prior to joining the firm, Mr. Guarnera was a law clerk to the Honorable Diane S. Sykes on the United States Court of Appeals for the Seventh Circuit.  Before law school he served as director of government relations for the national trade association of drug addiction treatment professionals. 

Mr. Guarnera studied law at the University of Virginia School of Law and business administration at the Darden School of Business. He holds bachelor’s degrees from American University in Political Science and French/European Studies.

Noteworthy Representations

Oil States Energy Services, LLC v. Greene’s Energy Group, LLC, No. 16-712 (U.S. Supreme Court) – Draft brief for Amicus Curiae the Alliance of Automobile Manufacturers in support of respondents.  [Read the Brief]

In re Cray, No. 17-129 (Federal Circuit Court of Appeals) – Draft brief for Amicus Curiae the High Tech Inventors Alliance in support of petitioner.  [Read the Brief]

Charter Advanced Services (MN), LLC v. Lange, No. 17-2290 (Eighth Circuit Court of Appeals) – Draft brief for Amici Curiae USTelecom, AT&T, and Verizon in support of plaintiffs-appellees.  [Read the Brief]


A Fatally Flawed Proxy: The Role of “Intended Loss” in the U.S. Sentencing Guidelines for Fraud, 81 Missouri Law Review 715 (2016)

Reply to Prof. Bowman’s “Loss” Revisited, 82 Missouri Law Review 33 (2017)


University of Virginia School of Law, J.D., 2014

  • Order of the Coif
  • Editorial Board, Virginia Law Review

Darden School of Business, M.B.A., 2014

  • Faculty Award for Academic Excellence

American University, B.A., summa cum laude, 2007

  • Phi Beta Kappa


Law Clerk, Judge Diane S. Sykes, U.S. Court of Appeals, Seventh Circuit, 2014-2015

Government Service

Special Counsel, U.S. Senate Judiciary Committee, 2017

Back to Page