Robert T. Weeks

Tod F. Schleier is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Tod F., who practices law in Phoenix, Arizona, has been recognized since 1989. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tod F. 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...

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.

Senior partner and Best Lawyers® honoree Lisa Reilly Payton focuses her law practice on estate planning, tax planning, and federal and state tax controversy. Lisa is a popular speaker and has appeared multiple times on the Emmy Award-winning talk show The List. Lisa's estate planning experience includes helping individuals, couples, and business owners identify their planning options and tailoring their choices to their unique situations and goals. In guiding her clients through the plann...

DANIEL P. QUIGLEY is a CDQ partner and the Vice President of the firm. He has been practicing law in Arizona since 1984. Since joining CDQ in 1997, Dan has practiced in all areas of commercial litigation, including cases raising antitrust and intellectual property issues. Dan has lectured at the State Bar of Arizona’s Professionalism courses and been an instructor at the National Institute for Trial Advocacy’s Arizona Deposition Skills Program. He is a member of the Xavier College...

Martin J. Solomon is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Martin 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 Martin J. is held by other top lawyers in the same geographic and legal practice area.

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.

With more than twenty years of experience in federal, state, and local air quality laws and in representing clients across the U.S. from a variety of industries, Bill is uniquely skilled at providing effective counsel and working toward solutions that best serve his client’s specific needs. Bill is dedicated to helping clients understand their compliance obligations under the myriad of air quality programs, regulations, and agency guidance so that such obligations can be managed as effe...

Kevin practices in the area of civil litigation, with an emphasis on aviation law, commercial litigation, medical malpractice, product liability, wrongful death and personal injury. Kevin has handled cases for clients in some of the largest lawsuits litigated in Arizona. He represents clients in claims and suits arising out of a variety of issues. Kevin is a trial lawyer with over 25 years of experience before judges, juries and arbitrators. Although he has tried many cases, Kevin focuses on ...

Ira M. Schwartz is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Information Technology Law and Litigation - Intellectual Property. Ira M., 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 Ira M. is held by other top lawyers in the same geographic and legal practice area.