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Michael J. Guzman

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Michael Guzman has an active litigation practice with an emphasis on antitrust, intellectual property, environmental, and commercial disputes.  Mr. Guzman has tried numerous cases to decision before juries, judges, arbitrators, and administrative panels, winning more than $2.5 billion to date in verdicts or settlements for his clients.

Mr. Guzman graduated summa cum laude from Brigham Young University in 1988, where he majored in political science and English.  He graduated magna cum laude from Harvard Law School in 1991.  He clerked for the Honorable Douglas H. Ginsburg of the United States Court of Appeals for the District of Columbia Circuit in 1991-1992, and then served as a legal assistant to the Honorable George H. Aldrich of the Iran-United States Claims Tribunal in 1992-1993.  In 2008-2009, Mr. Guzman resigned from the firm to serve as Principal Deputy Assistant Attorney General for the United States Department of Justice in the Environment and Natural Resources Division.  In that position, he shared responsibility for managing more than 300 attorneys in the Division with an active case load exceeding 5,000 matters.

Noteworthy Representations

In re Urethane Antitrust Litigation, MDL No. 1616 (D. Kan.)

In one of the few antitrust class actions to go to trial, Mr. Guzman served as co-lead trial counsel for a class of direct purchasers in a four-week jury trial alleging price fixing by the Dow Chemical Company.  The jury ultimately rendered a $1.2 billion verdict, which was the largest verdict of 2013.  The verdict was upheld on appeal at the circuit level, and the case ultimately settled while under review by the United States Supreme Court.

Baker et al. v. Anschutz Exploration Corporation et al., No. 11-CV-06119-CJS-JWF (W.D.N.Y)

Mr. Guzman represented defendant AEC against claims by a group of local homeowners that AEC’s natural gas exploration activities in New York contaminated residential water wells.  Plaintiffs originally sought $2 billion in alleged damages.  Mr. Guzman persuaded the court to focus discovery on issues of causation and contamination as a way to streamline discovery and require plaintiffs to carry their burden of proof.  Ultimately, Mr. Guzman persuaded the court to disallow plaintiffs’ causation expert and grant complete summary judgment in favor of AEC.

Ricoh Company, Ltd. v. Quanta Computer, Inc., CV 06-C-0462 (W.D. Wis.)

Mr. Guzman served as co-lead trial counsel for Ricoh pursuing patent infringement claims related to Ricoh’s optical disk drives (with J.C. Rozendaal).  After a two-week trial, the jury found for Ricoh on all counts and awarded substantial damages.  The matter was settled while an appeal was pending.

Conwood Company, L.P. et al. v. United States Tobacco et al., CV 5:98-108-R

Mr. Guzman served as a member of the litigation and trial team for Conwood in this four-week jury trial (with Mark Hansen and Neil Gorsuch).  The jury found that UST had abused its monopoly power and awarded Conwood $1.05 billion in damages.  UST ultimately paid the entire verdict plus interest after all appeals were exhausted.

Presentations and Publications

Mr. Guzman frequently presents on litigation and environmental law topics.  Most recently, he participated on a panel in Chicago on the topic of trying class action cases.  He has also presented extensively on the amendments to the Lacey Act intended to stem the import of illegally harvested timber.

Co-author, With Motor-Voter Bill, Congress May Have Invited a Constitutional Challenge, Washington Legal Foundation (1994)

Co-author, The Constitutional Case for Term Limits, Wall Street Journal, Nov. 4, 1992, at A15

Note, Unsecured Creditors of Failed Banks:  It’s Not a Wonderful Life, 104 Harvard Law Review 1052 (1991)

Will the Gentlemen Please Yield? – A Defense of the Constitutionality of State-Imposed Term Limitations, 20 Hofstra Law Review 341 (1991)


Harvard Law School, J.D., magna cum laude, 1991

  • Book Review and Commentary Editor, Harvard Law Review, 1989-1991

Brigham Young University, B.A., summa cum laude, university honors, 1988


Law Clerk, Judge Douglas H. Ginsburg, U.S. Court of Appeals, District of Columbia Circuit, 1991-1992

Government Service

Principal Deputy Assistant Attorney General, U.S. Department of Justice, Environment and Natural Resources Division, 2008-2009

Legal Assistant, Hon. George H. Aldrich, Iran-United States Claims Tribunal, 1992-1993

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