James A. Ullman

Overview Eric Hiser practices in the areas of environmental, natural resources and administrative law. He regularly represents clients in manufacturing, steel, petroleum, natural gas production and transmission, mining, metal fabrication, high technology and materials industries with an emphasis on permitting, compliance planning and environmental auditing and assessment, and has served as special counsel to the Maricopa County Air Pollution Control Hearing Board. Mr. Hiser is recognized by B...

Chris is a member of Keller Rohrback’s Complex Litigation and Bankruptcy Groups. He has represented debtors, creditors, Court-appointed committees, and asset purchasers in Chapter 11 reorganization proceedings and workouts. In recent years he has also focused on representing plaintiffs in ERISA class actions. Chris has wide-ranging experience in complex commercial matters, from corporate restructuring to breach of fiduciary duty, commercial real estate, contracts, patent infringement, a...

Brett B. Larsen is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Brett B., 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 Brett B. is held by other top lawyers in the same geographic and legal practice area.

Jennifer J. Understahl is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jennifer J., 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 Jennifer J. is held by other top lawyers in the same geographic and legal practice area.

Stacey L. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Stacey L., who practices law in Glendale, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stacey L. is held by other top lawyers in the same geographic and legal practice area.

Steven N. Berger has focused his career on resolution of complex business disputes through effective representation of clients in bankruptcy or other reorganization proceedings, loan workouts, litigation and business transactions. He co-founded the firm in 1999 after gaining experience as an associate and partner at two of Arizona’s largest law firms. He has extensive experience in representing parties involved with troubled loans or troubled businesses, and has represented lenders, les...

Michael W. Patten practices in the areas of public utilities, energy and telecommunications, and has extensive litigation experience. He appears regularly before the Arizona Corporation Commission (ACC) on matters involving public utilities, electricity, water and wastewater, renewable energy, energy efficiency, gas and telecommunications matters including rate cases, rulemakings, financings, line sitings, service area extensions, formal complaints and various ACC proceedings addressing polic...

Paul Kular began his legal career practicing with a private law firm in Scottsdale, Arizona. In 2005, he was recruited by Travelers Insurance to represent insureds in their construction defect department. Shortly thereafter, Paul also began working in Travelers subrogation department. At the time he left Travelers Insurance as Senior Counsel, he was handling all of Traveler's Insurance construction defect and subrogation cases in Arizona, as well as handling complex tort defense cases. Prior ...

Peter C. Prynkiewicz is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Peter C., who practices law in Phoenix, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter C. is held by other top lawyers in the same geographic and legal practice area.

John has extensive experience in complex commercial litigation, including handling numerous trials, hearings and other matters before state and federal courts in the areas of contracts, business torts, trade secrets, real estate, securities, intellectual property, partnership and products. He has represented large multi-national clients, as well as regional and local businesses and individuals in a variety of business disputes. In light of this diverse experience in litigating business issues...