Michael W. Patten

Isaac S. Crum assists business clients in developing, protecting, and enforcing intellectual property rights through consulting and litigation. His experience includes advising consumer product companies, startups, and non-profit organizations on intellectual property strategies and litigating complex cases involving patents, trademarks, trade dress, copyrights, trade secrets, and unfair competition.

Phil has developed a reputation as a formidable trial attorney in complex commercial litigation matters. Recently, he second chaired a five-month bench trial representing a Native American tribe in complex, multi-party litigation adjudicating the tribe’s federal reserved water rights claims for its reservation. He also regularly represents businesses in intellectual property litigation as well as public utilities in complex litigation matters, including actions initiated by government e...

With a legal career in personal injury and wrongful death that spans 30 years, Bob is tireless in his dedication and resolve to seek justice for each and every one of his clients. From the very first meeting with any prospective client, Bob’s easygoing manner engenders trust because he is naturally compassionate, sincere and possesses a unique ability to understand and communicate with clients from all walks of life. This same direct, common-sense approach has proven to be extremely eff...

T.J. Ryan's practice encompasses virtually all aspects of family estates, from estate and business planning, to probate and trust administration, to litigating contested estates – an area in which he has achieved a strong track record for positive results. His commitment to excellence in estate controversy and estate planning matters has earned his election as a Fellow of the American College of Trust and Estate Counsel (ACTEC). T.J. focuses his practice on personal and business plannin...

Van is a founding partner of O'Steen & Harrison, PLC, where he has had a general civil practice, emphasizing personal injury, defective products and nursing home abuse and neglect. He graduated from California Western University in 1968 (B.A.), where he was included in Who's Who In American Colleges and Universities. He graduated from Arizona State University College of Law in 1972 (J.D., cum laude). He served as an editor on the Arizona State Law Journal. Van was admitted to the State Ba...

Jasmina Richter practices in the areas of commercial litigation, intellectual property, professional liability defense, construction defect litigation, insurance coverage and bad faith litigation. As part of her insurance coverage and bad faith litigation, Jasmina represents insurers in complex insurance coverage actions. Jasmina analyzes coverage under a wide variety of policies including commercial general liability, commercial property, professional liability, director and officer liabilit...

Lauren Channell is an attorney at Robbins Curtin Millea & Showalter LLC in Phoenix, Arizona, where she represents plaintiffs in personal injury litigation. She joined the firm in 2018 and was drawn to its focus on representing catastrophically injured individuals and families in complex injury matters within a collaborative, small-firm setting. Lauren’s practice includes cases involving government liability, civil rights violations, automobile and commercial trucking accidents, prem...

J.D. (with High Honors), University of Florida, 1993 A.B., Government, magna cum laude , Harvard University, 1990 Law clerk to the Hon. Susan H. Black, U.S. Court of Appeals, Eleventh Circuit, 1995-1996 Law clerk to the Hon. Lacey A. Collier, U.S. District Court for the Northern District of Florida, 1993-1995 Attorney (associate and partner), Lewis Roca Rothgerber LLP, 1996 to present

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

As a licensed veterinarian, Mark has the medical knowledge to help his clients get the results they deserve. Given his strong medical science background, Mark's practice focuses on tort law, including medical negligence, product liability, and other significant personal injury cases. He has nearly 35 years of experience litigating medical malpractice cases with victories including the landmark Edwards verdict and a transfusion-associated AIDS case that remains one of the largest personal inju...