Sacks Tierney P.A.

Member of Meritas: 173 full-service law firms serving more than 200 markets worldwide

Scottsdale-Phoenix | 480.425.2600

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Patrick J. Van Zanen

Patrick Van Zanen’s practice encompasses commercial transactions and complex commercial litigation, including contract claims, fiduciary breaches, shareholder/partner/member disputes, auditor and accounting malpractice, and securities fraud litigation.

Patrick has represented banks in loan workouts and all phases of loan default litigation, including fair market value litigation. His transactional work includes loan documentation, partnership and shareholder agreements, and business purchase transactions.

He is a member of the Board of Directors of the Arizona Small Business Association and recently completed nine years of service on the Arizona Regulatory Board of Physicians Assistants. Patrick has also served on the Maricopa County Board of Health and the Board of Directors of the Arizona Animal Welfare League.

Practice Area

Commercial Litigation

Business Law

Accounting Malpractice

Securities Litigation

Professional Memberships

State Bar of Arizona

Court and Bar Admissions

Arizona, 2001

U.S. District Court, District of Arizona, 2002

U.S. Court of Appeals, Fourth Circuit, 2008

U.S. Court of Appeals, Ninth Circuit, 2011


Considerations for Employers with Regard to COVID-19 and the Safety of Employees and the Public” (co-author), Sacks Tierney Client Newsletter, May 2020


J.D., Arizona State University College of Law, 2001

M.P.A., Public Administration, Arizona State University, 1995

B.S., Arizona State University, 1993

Community Leadership

Arizona Small Business Association: Board of Directors

Scottsdale Chamber of Commerce: Economic Development Advisory Council; Public Policy Advisory Council

Arizona Animal Welfare League: Former Member, Board of Directors

Arizona Regulatory Board of Physician Assistants: Former Member

Maricopa County Board of Health: Former Member