Best Lawyers in Arizona, United States for Commercial Litigation

Bob has substantial experience in complex commercial litigation matters, focusing particularly on intellectual property and securities related litigation, arbitration and enforcement proceedings, contract, trade secret, business tort and shareholder litigation. He regularly represents clients in matters and investigations before the United States Securities and Exchange Commission, the Financial Industry Regulatory Authority (FINRA) and the Arizona Corporation Commission. Due to his wide rang...

Michaile J. Berg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Michaile J., who practices law in Scottsdale, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michaile J. is held by other top lawyers in the same geographic and legal practice area.

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...

Daniel E. Durchslag is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Daniel E., who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel E. is held by other top lawyers in the same geographic and legal practice area.

Colin was appointed a Judge of the Maricopa County Superior Court in 1990 after twelve years of practicing both civil and criminal trial law. During his 17 years as a Judge, he sat on assignments related to nearly every area of law including civil, criminal, juvenile, and family matters. He was Presiding Judge from 2000 to 2005. After his retirement from the Bench, Colin returned to Osborn Maledon in 2007 where he maintains an active personal injury tort, commercial litigation, and public law...

John has substantial experience representing for-profit and not-for-profit companies in a wide variety of legal and business areas, from commercial, employment, tort and insurance-related litigation to real estate, corporate management, health care and school law issues. As a trial lawyer, John has tried more than 100 cases to conclusion, including jury trials, bench trials, arbitration matters and administrative law proceedings. He currently serves as a judge pro tem for the Maricopa County ...

Gena L. Sluga is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation, Insurance Law and Litigation - Insurance. Gena L., who practices law in Phoenix, Arizona, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gena L. is held by other top lawyers in the same geographic and legal practice area.

Karen C. Stafford is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Insurance. Karen C., who practices law in Phoenix, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karen C. is held by other top lawyers in the same geographic and legal practice area.

Andrew Pappas is a nimble advocate and trusted counselor whose practice focuses on appeals, complex commercial disputes, and governmental and regulatory matters. Before joining Osborn Maledon, Andrew served as general counsel of the Arizona House of Representatives, where he was the principal legal advisor to the Speaker and members of the majority caucus. In that capacity, Andrew provided legal, policy, and strategic advice on a vast range of issues, with a particular focus on elections, red...

Sharon W. Ng is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Employment Law - Management. Sharon W., who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sharon W. is held by other top lawyers in the same geographic and legal practice area.

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...

Charles Callahan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Insurance and Personal Injury Litigation - Defendants. Charles, who practices law in Phoenix, Arizona, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.

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...

Pamela Overton has been the chairman of the firm's Phoenix Litigation Practice since the office opened in 1999. She has also been a member of the firm's National Executive Committee since 2002, and was appointed to the National Litigation Steering Committee in 2008. Pam previously served as Vice Chairman of the Pharmaceutical, Medical Device & Health Care Litigation Practice, having represented Fortune 500 companies such as Medtronic, Inc., Sanofi-Aventis and ZLB Behring LLC, Lorillard To...

DANIEL G. DOWD is a Partner and the President of Cohen Dowd Quigley. For three decades, Dan has practiced in the areas of complex business litigation and contested administrative proceedings, and has repeatedly been selected as one of the top litigators in Arizona. He has been selected as a Southwest Super Lawyer in every edition of that publication, which recognizes the top five percent of lawyers practicing in their state. Dan has also repeatedly been recognized by Super Lawyers as one of t...

Craig Morgan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Banking and Finance. Craig, who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig is held by other top lawyers in the same geographic and legal practice area.