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About Me

I was born and raised in Mesa, Arizona and attended Arizona State University where I received a degree in business administration.  I then attended the University of Arizona College of Law and received my Juris Doctorate in 1975. I began practicing in Mesa with a local law firm specializing in Personal Injury Litigation and tried my first jury trial one week after admission to the Arizona Bar in 1975. In 1977 I moved back to Tucson and worked for a prominent trial lawyer, Paul G. Rees, Jr., until 1981, also specializing in Personal Injury Litigation.


In 1981 I returned to my home town of Mesa where I opened my own law practice. I continued to specialize in Personal Injury Litigation and was given the highest rating by an attorney rating service in 1986. This rating is based upon lawyer peer review and is the highest rating for legal ability and ethics, a rating that is given to approximately the top 5% of lawyers nationwide.


In 1985 I was awarded Certification as a Specialist in Injury and Wrongful Death by the State Bar of Arizona Board of Legal Specialization with the first group of lawyers given the opportunity to be recognized as having specialized knowledge and experience in this field of practice.


In 1985 I formed a partnership with J. Robert Tolman and continued practicing in Personal Injury Litigation. In 1991 I was hired to serve as lead trial counsel for the firm of Solomon, Relihan & Blake in Phoenix where I practiced until May, 2000 when I returned to private practice in Mesa. I became a shareholder with the firm of Udall Shumway in May of 2001. In 2003 I was appointed a member of the American Board of Trial Advocates.


Over my 35 years of practice, I have handled many types of cases, including cases involving product liability, medical malpractice, insurance bad faith, vehicular collisions, defective premises design and construction, defective highway design and maintenance, and many other types of cases. I have developed special expertise in brain and spinal injury, accident reconstruction, hazard and risk assessment and have been invited to speak at many seminars for trial lawyers over the years. I have served as an expert witness in legal malpractice cases and as a Judge pro tempore for the Superior Court. I have been on the Board of Directors of the Arizona Trial Lawyers Association since the early 1980s. I have also published several papers on issues related to Personal Injury litigation, including such subjects as: “The Intentional Act Exclusion,” Summation, March 1981; “Determining Damages Under the Seatbelt Defense,” Trial, Fall, 1993; “Recognizing Liability in Nursing Home Cases,” Advocate, Nov. 1999; “The Lawyer’s Role in Diagnosing Injuries,” Advocate, March 1993; “The Non-Party at Fault Defense,” Arizona Attorney, Jan. 1995; and “Use Reasonable Care in Referring to the Standard of Care,” Advocate, Nov. 2002.  “Overcoming a Speculative New Defense in Pressure Ulcer Cases”, National Nursing Home Litigation Group newsletter, 2010; “Pressure Ulcer Claims”, a presentation at the American Ass’n for Justice National Nursing Home Litigation Group annual seminar, 2010.


I have handled over one hundred trials in personal injury cases, along with many Arbitrations and other types of hearings, and have represented well over a thousand personal injury plaintiffs over the past 35 years. For the past several years I have developed expertise in handling Nursing Home Abuse and Neglect cases and remain heavily involved in such work and speaks regularly to lawyers’ groups about such claims.


My long career, expertise and professional manner have won the respect of fellow lawyers, both on the plaintiff as well as the defense side. I am recognized for my substantial knowledge in medical and safety matters. I remain devoted to the highest purpose of the law: to promote safety and to obtain fair redress for victims of negligence and defective products and practices. I am a lawyer on the side of people.



Languages Spoken: English, Spanish

Practice Areas


  1. Wrongful Death: 25%
  2. Personal Injury: 25%
  3. Nursing Home Abuse and Neglect: 25%
  4. Medical Malpractice: 25%


Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

2 total 

  • Michael S. Waddington

    I endorse Micheal. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

  • Winn L Sammons

    Micheal is an excellent attorney. He is well-respected among his peers, and he represents his clients aggressively but wisely.


    Winn Sammons Mediation Attorney
    Relationship: Opposing Counsel on matter

Contact Info

Udall Shumway PLC

1138 North Alma School Road
Suite 101
Mesa, AZ, 85201

Udall Shumway PLC

Phoenix Office (Tatum & Shea)
Phoenix, AZ, 85028



AZActive 197505/23/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Southwest Super LawyerSuper Lawyers Magazine2015
Southwest Super LawyerSuper Lawyers Magazine2014
Southwest Super LawyerSuper Lawyers Magazine2012
Southwest Super LawyerSuper Lawyers Magazine2011
Southwest Super LawyerSuper Lawyers Magazine2010
AV Peer Review RatingMartindale-Hubbell1986
Certified Specialist - Injury and Wrongful Death LitigationState Bar of Arizona1985
Work Experience
TitleCompany NameDuration
ShareholderUdall Shumway PLC2001 - Present
Lead Trial CounselSolomon, Relihan & Blake1991 - 2000
Association NamePosition NameDuration
American Board of Trial AdvocatesMember2003 - Present
Arizona Trial Lawyers AssociationBoard of Directors1980 - Present
State Bar of ArizonaMember1975 - Present
Publication NameTitleDate
National Nursing Home Litigation Group newsletterOvercoming a Speculative New Defense in Pressure Ulcer Cases2010
AdvocateUse Reasonable Care in Referring to the Standard of Care2002
AdvocateRecognizing Liability in Nursing Home Cases1999
Arizona AttorneyThe Non-Party at Fault Defense1995
AdvocateThe Lawyer's Role in Diagnosing Injuries1993
TrialDetermining Damages Under the Seatbelt Defense1993
SummationThe Intentional Act Exclusion," Summation1981
School NameMajorDegreeGraduated
Arizona State UniversityBusiness AdministrationBS - Bachelor of Science1975
University of Arizona College of LawLawJD - Juris Doctor1975
Speaking Engagements
Conference NameTitleDate
Establishing Nursing Home Corporate Negligence Using Cost Reports and Other Financial DocumentsChanges in Pressure Sore Clinical Guidelines2010
American Association for Justice’s Litigating Nursing Home Cases SeminarLitigating Nursing Home Cases2010