Daniel P. Quigley

Daniel P. Quigley is a highly respected trial attorney with decades of legal experience focused on complex commercial litigation. Since 1984, he has guided clients through high-stakes legal matters involving antitrust, real estate, and intellectual property disputes. Known for his strategic insight and courtroom skill, he has been honored repeatedly for legal excellence.

Daniel earned his Bachelor of Arts from the University of Arizona in 1981, graduating with the highest distinction and membership in Phi Beta Kappa and Phi Kappa Phi. He then obtained his Juris Doctor, magna cum laude, from Georgetown University Law Center in 1984, preparing him for a distinguished legal path.

Throughout his career, Daniel has served the legal community beyond client representation. He has taught deposition skills through the National Institute for Trial Advocacy and presented at State Bar professionalism courses. His leadership includes serving as Chair of Arizona’s Supreme Court Committee on Examinations and as a Judge Pro Tempore.

Daniel’s accolades reflect deep respect in the legal field. He was named “Lawyer of the Year” for Litigation-Antitrust in 2018 and for Litigation-Real Estate in 2022 by Best Lawyers. He’s also ranked in Chambers USA and has been listed in Super Lawyers every year since 2007, including being among Arizona’s Top Fifty attorneys from 2019 to 2021.

Daniel P. Quigley holds roles in several Bar associations, including the American Bar Association and the State Bar of Arizona. He also supports civic causes as a board member and secretary of the Common Sense Institute of Arizona. His commitment to legal integrity and community involvement sets him apart in the profession.

With a strong record of success and service, Daniel remains a trusted advocate for clients facing complex disputes. His work continues to shape Arizona’s legal landscape and inspire new generations of attorneys through example and mentorship.

Law Office Affiliations

• Partner and Vice President, Cohen Dowd Quigley P.C.
• Member, Maricopa County Bar Association
• Member, American Bar Association
• Former Judge Pro Tempore, Arizona Superior Court
• Former Chair, Arizona Supreme Court, Committee on Examinations
• Former member, State Bar of Arizona, Appointments Committee
• Member, United States District Court, District of Arizona
• Member, United States District Court, Northern District of California
• Member, United States District Court, Northern District of Texas
• Member, United States Court of Appeals for the Ninth Circuit
• Member, United States Supreme Court

Licensed State

• Arizona

Education

• Georgetown University Law Center
  Juris Doctor (JD)
• University of Arizona
  BS in Business Management

Awards & Badges