Daniel S. Guarnera



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.


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)


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

Education & Credentials

Contact Information:
202.326.7923  Phone
202.326.7999  Fax
University Attended:
American University, B.A., summa cum laude, 2007; Darden School of Business, M.B.A., 2014
Law School Attended:
University of Virginia School of Law, J.D., Order of the Coif, 2014
Year of First Admission:
2016, District of Columbia
Reported Cases:
Noteworthy Representations: Bombardier Recreational Products, Inc. v. Arctic Cat, Inc., No. 17-1645 (U.S. Supreme Court) - Drafted brief for Amicus Curiae High Tech Inventors Alliance in support of petitioners.; Regents of the University of Minnesota v. LSI Corporation, No. 18-1559 (Federal Circuit) - Drafted brief for Amici Curiae including the Computer & Communications Industry Association and the High Tech Inventors Alliance in support of appellees.; Oil States Energy Services, LLC v. Greene's Energy Group, LLC, No. 16-712 (U.S. Supreme Court) - Drafted brief for Amicus Curiae the Alliance of Automobile Manufacturers in support of respondents.; In re Cray, No. 17-129 (Federal Circuit Court of Appeals) - Drafted brief for Amicus Curiae the High Tech Inventors Alliance in support of petitioner.; Charter Advanced Services (MN), LLC v. Lange, No. 17-2290 (Eighth Circuit Court of Appeals) - Drafted brief for Amici Curiae USTelecom, AT&T, and Verizon in support of plaintiffs-appellees.

Peer Reviews

This lawyer does not have peer reviews.

*Peer Reviews provided before April 15, 2008 are not displayed.

Washington, District of Columbia

Contact Daniel S. Guarnera

Required Fields

Required Fields

By clicking on the "Submit" button, you agree to the Terms of Use, Supplemental Terms and Privacy Policy. You also consent to be contacted at the phone number you provided, including by autodials, text messages and/or pre-recorded calls, from Martindale and its affiliates and from or on behalf of attorneys you request or contact through this site. Consent is not a condition of purchase.

You should not send any sensitive or confidential information through this site. Emails sent through this site do not create an attorney-client relationship and may not be treated as privileged or confidential. The lawyer or law firm you are contacting is not required to, and may choose not to, accept you as a client. The Internet is not necessarily secure and emails sent though this site could be intercepted or read by third parties.