Michael F. "Mike" Patterson

Jack works with the firm’s transactional group, often managing the full cycle of real estate development projects, from pre-contract property investigations to erecting important commercial buildings that he counsels through leasing and sale. He has built a name for himself as an authority on real estate transactions, often leading projects for national and international developers building large-scale commercial real estate projects across Arizona. Jack has worked across the state nego...

Michael Clyde, a partner in the firm's litigation practice, has more than 30 years of experience in securities, corporate governance, professional liability, antitrust and other complex litigation. He has represented securities issuers, directors, officers and professionals in a wide variety of litigation involving securities, corporate governance and financial disclosure and accounting issues. In December 2009, Michael was lead trial counsel for craigslist, Inc. in eBay v. Craig Newmark, whe...

Lisa Paine has over 15 years of diverse experience representing clients in business transactions, estate planning, and other legal matters. Business Transactions – A former business owner, Lisa is well versed in challenges faced by businesses and their owners. Her unique prospective benefits her business clients with business transactions and agreements, employment advice, and succession planning. Lisa assists business clients with an entire spectrum of business-related needs – fr...

Ryan W. Anderson is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Corporate Law. Ryan W., who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan W. is held by other top lawyers in the same geographic and legal practice area.

For four decades, Jim Ryan has helped high net worth Arizona families create and enjoy financial legacies. A Fellow of the American College of Trust and Estate Counsel (ACTEC) and a Certified Specialist in Estate and Trust Law, Jim Ryan is a widely acknowledged leader in Phoenix-Scottsdale legal and business circles for complex estate and business planning and estate administration. Jim is a past chair of the Estate and Trust Advisory Commission for the State Bar of Arizona, which administers...

John A. Conley is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Employment Law - Management, Health Care Law, Litigation - Health Care and Litigation - Labor and Employment. John A., who practices law in Phoenix, Arizona, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A. is held by other top lawyers in the same geographic and legal practice area.

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.

Theresa’s practice has been spent in fast-paced jury trials, employment and fair housing litigation, and appellate work. In her criminal practice, Theresa handled cases involving fraudulent schemes, tax fraud, real estate fraud, and racketeering. Theresa is a regular presenter to lawyers and the community on topics including Civil Rights, Harassment Free Work Environments, and the Rules of Evidence. Before joining Osborn Maledon, Theresa served as Section Chief Counsel for the Arizona A...

Kathryn K. McCormick is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Kathryn K., 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 Kathryn K. is held by other top lawyers in the same geographic and legal practice area.

Michael E. Pietzsch is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Tax Law. Michael E., who practices law in Phoenix, Arizona, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael E. is held by other top lawyers in the same geographic and legal practice area.