Daniel P. Quigley

Partner and Vice President

DANIEL P. QUIGLEY is a CDQ partner and the Vice President of the firm.  He has been practicing law in Arizona since 1984.  Since joining CDQ in 1997, Dan has practiced in all areas of commercial litigation, including cases raising antitrust and intellectual property issues.  Dan has lectured at the State Bar of Arizona’s Professionalism courses and been an instructor at the National Institute for Trial Advocacy’s Arizona Deposition Skills Program. He is a member of the Xavier College Preparatory High School Board of Trustees, and the past president of the St. Thomas the Apostle School Board, and a past member of the St. Thomas the Apostle Parish Council.

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Georgetown University Law Center
J.D., magna cum laude, 1984

University of Arizona
B.A. with highest distinction, 1981
Phi Beta Kappa, Phi Kappa Phi


United States District Courts:

District of Arizona
Northern District of California
Northern District of Texas

United States Courts of Appeal:

Ninth Circuit
Federal Circuit


State Bar of Arizona
American Bar Association
Maricopa County Bar Association
Former Judge Pro Tempore of the Arizona Superior Court
Former Chair of the Arizona Supreme Court’s Committee on Examinations
Former member of the State Bar of Arizona Appointments Committee


Named to the list of America’s Top 100 Attorneys
AV® Preeminent™ Peer Rating from Martindale-Hubbell
Named to the Super Lawyers® list
Named as one of The Best Lawyers in America®  for Commercial Litigation, Antitrust Litigation, Intellectual Property Litigation, and Real Estate Litigation, and as Lawyer of the Year in 2018 for Litigation-Antitrust
Sustaining Member of Arizona’s Finest Lawyers
Ranked in Chambers USA®: General Commercial Litigation since 2014
Fellow of the Litigation Counsel of America