R. Kevin O'Brien

Mark practices commercial litigation and co-chairs the firm’s appellate practice section, handling civil appeals in the state and federal courts. For 25 years, he has represented clients in a wide variety of areas, including business torts and contracts, securities fraud, trade secrets, employment, professional malpractice, officer and director liability, and real estate litigation. Mark has been named a Best Lawyer by the Best Lawyers in America since 2009 , and is also recognized by A...

Kerry S. Martin is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Labor Law - Management. Kerry S. practices law in Phoenix, Arizona Best Lawyers has recognized Kerry S. Martin since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kerry S. Martin is held by other lawyers.

Robert J. Milligan, Esq. Milligan Lawless, P.C. 5050 N. 40th Street, Suite 200, Phoenix, Arizona 85018 Phone: (602) 792-3500 | Direct: (602) 792-3501 | Fax: (602) 792-3525 Areas of Practice Health Care Business Transactions Health Care Fraud and Abuse Government and Commercial Payor Audits Health Care Licensing Life Sciences Government Investigations Provider Audits and Self-Reports Peer Review and Medical Staff Issues Bob is a shareholder in the Phoenix, Arizona law firm of Milligan Lawless,...

Maria practices in the areas of intellectual property, internet law, and commercial litigation, representing clients throughout the United States. She focuses her practice on assisting businesses in protecting their trademarks, copyrights, trade secrets, information technology, and other intellectual property through preventative measures to avoid disputes and through litigation when disputes arise. An accomplished author, she has recently published Protect Your Writings: A Legal Guide for Au...

Trisha Farrow is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Trisha practices law in Phoenix, Arizona Best Lawyers has recognized Trisha Farrow since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Trisha Farrow is held by other lawyers.

Since 2009, Mark Worischeck has served as the firm's President and Managing Shareholder. Mr. Worischeck has earned Martindale-Hubbell's highest AV® Preeminent™ rating. He has been recognized as one of Arizona's Finest Lawyers and selected to be included in Best Lawyers in America for 2013-2022 for his work in aviation law, commercial and construction litigation, insurance law, insurance litigation, personal injury and product liability litigation. He was also named by Best Lawyers a...

Caitlin A. Donovan is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Caitlin A. practices law in Phoenix, Arizona Best Lawyers has recognized Caitlin A. Donovan since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Caitlin A. Donovan is held by other lawyers.

Jeremy D. Zangara is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Jeremy D. practices law in Phoenix, Arizona Best Lawyers has recognized Jeremy D. Zangara since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeremy D. Zangara is held by other lawyers.

E. Jeffrey Walsh, who has practiced law for more than 30 years, is an AV ® peer review rated litigator who has been recognized in the 2005 to 2014 editions of The Best Lawyers in America , in Southwest Super Lawyers , including, in 2009, among the "Top 50 in Arizona," in Arizona Business Magazine 's "Top Attorneys of Arizona," and in the Business Journal 's "Best of the Bar in Phoenix Metropolitan Area." His practice focuses on business litigation and trials, real estate litigation, and c...

Damien R. Meyer is an experienced commercial litigation attorney. Damien has extensive experience in representing both individuals and businesses including banks, contractors, landlords, real estate developers, aviation companies, entrepreneurs, and health care companies in all areas of their business including contractual analysis and disputes, procurement, collection and payment disputes, commercial tort liability, provisional remedies and negotiation of pre-litigation disputes to avoid for...