Attorneys » Patrick Van Zanen

Patrick Van Zanen

Patrick J. Van Zanen received his B..S., M.P.A. and J. D. degrees from Arizona State University and has been practicing in Arizona since 2001.

Patrick’s practice involves complex commercial litigation, contract claims, fiduciary breaches, partnership/shareholder/partner disputes, auditor and accounting malpractice, and securities fraud litigation. He has represented national banks in loan workouts and all phases of loan default litigation, including fair market value litigation to determine trust property value for purposes of obtaining deficiency judgments. His practice also includes transactional work, such as loan documentation, partnership and shareholder agreements, and business purchase transactions.

Patrick participates in the Economic Development Advisory Council and Public Policy Advisory Council of the Scottsdale Chamber of Commerce, as well as the Arizona Regulatory board of Physicians Assistants. He has previously served on the Maricopa County Board of Health.

Areas of Practice

Securities Fraud Litigation

Fiduciary Breaches Litigation

Shareholder/Member/Partner Disputes

General Civil Litigation

Commercial Transactions

Bar Admissions


Arizona Supreme Court, 2001


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


U. S. Fourth Circuit Court of Appeals, 2008


U. S. Ninth Circuit Court of Appeals, 2011


Arizona State University

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

Arizona State University

M.A., Public Administration w/Spec Public Finance, Arizona State University, Tempe, AZ, 1995

Arizona State University

B.S., Arizona State University, Tempe, AZ, 1993

Contact Our Team

(480) 994-2000

(480) 994-2008

Margrave Celmins P.C.

8171 E. Indian Bend Road Suite 101
Scottsdale, AZ 85250




Effective January 6, 2020, attorneys Michael W. Margrave, Michael L. Kitchen, and Patrick J. Van Zanen, as well as paralegals Brittany Crane and Mallory Rasmussen, will join Sacks Tierney P A at their office located at 4250 N. Drinkwater Boulevard, Scottsdale, AZ  85251. Their new contact information is:

Michael W. Margrave    
direct line: 480-425-2606
fax: 480-425-4906

Michael L. Kitchen
direct line: 480-425-2619
fax: 480-425-4919

Patrick J. Van Zanen    
direct line: 480-425-2623
fax: 480-425-4923

Brittany Crane
direct line: 480-425-2627
fax: 480-425-4927

Mallory Rasmussen
direct line: 480-425-2629
fax: 480-425-4929

We hope to continue serving your needs at our new home with Sacks Tierney P.A. beginning January 6, 2020