Practice Areas: Civil Litigation, Insurance Coverage
Licensed in Arizona since: 1989
Education: The University of Texas School of Law
Selected to Super Lawyers: 2009 - 2025 The Cavanagh Law Firm
1850 North Central AvenueSuite 1900
Phoenix, AZ 85004 Phone: 602-332-4004 Email: William M. Demlong Visit website
Details
Attorney William M. Demlong is Managing Shareholder and an Equity Member at the Arizona law firm of The Cavanagh Law Firm. He is a veteran litigator with more than 30 years of experience in 10 different states, he focuses his practice on insurance disputes at both trial and appellate levels, including disputes involving insurance coverage, personal injury, construction defects, professional malpractice, general liability and commercial law. He is also a certified public accountant.
Mr. Demlong graduated with honors and his J.D. from the University of Texas School of Law in 1988. Every year since 2009, he has been selected for inclusion in Southwest Super Lawyers. He is also rated AV Preeminent* by Martindale-Hubbell. He has also been rated a Top Fifty lawyer and/or Top 100 lawyer in Arizona for a number of years as well. He also is recognized in The Best Lawyers in America publication for a number of years. Mr. Demlong is licensed in Arizona, New Mexico and Nevada and practices in each of those states.
Mr. Demlong is an active participant in the U.S. District Court of the District of Arizona. He served as an arbitrator for the District Court, as an Arizona Lawyer Representative for the 9th Circuit Court of Appeals and as past chair of the District Court's magistrate selection committee.
Mr. Demlong is a contributing author to the Arizona Tort Handbook and a frequent speaker on insurance law topics at various seminars.
*AV Preeminent and BV Distinguished are certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell is the facilitator of a peer review rating process. Ratings reflect the confidential opinions of members of the bar and the judiciary. Martindale-Hubbell ratings fall into two categories: legal ability and general ethical standards.
First Admitted: 1989, Arizona
Professional Webpage: https://www.cavanaghlaw.com/team/william-m-demlong/
- The Best Lawyers in America, 2017
- Arizona, 1989
- U.S. Court of Appeals 9th Circuit, 1989
- Member, Technology Committee, Maricopa County Bar Association, 2002 - 2003
- Member, Nevada Bar Association
- Appointed a Court Arbitrator, United States District Court for the District of Arizona, Maricopa County Bar Association, 2001 - 2004
- Member, International Claims Association
- Chair, Magistrate Selection Committee, Maricopa County Bar Association, 2007
- Member, American Institute of Certified Public Accountants
- U.S. Supreme Court, 2000
- U.S. District Court District of Arizona, 1989
- Member, Arizona Bar Association
- Chair, Lawyer Representative, Ninth Circuit Court of Appeals, Maricopa County Bar Association, 2006 - 2007
- Member, Defense Research Institute
- Chair, Magistrate Selection Committee, Maricopa County Bar Association, 2009
- Member, Arizona Association of Defense Counsel
- Nevada, 2001
- U.S. Court of Appeals 7th Circuit, 2003
- Member, TIPS Section, American Bar Association
- Lawyer Representative, Ninth Circuit Court of Appeals, Maricopa County Bar Association, 2003 - 2007
- Member, Federal Bar Association
- Past Member, Federal Procedure Committee, American Bar Association
- Member, Federation of Defense & Corporate Counsel
- New Mexico, 2017
- Certified Law Enforcement Officer, Arizona, 1994 - 2001
- Certified Public Accountant, Texas, March 1985 - Present
- Member of Class IX, Tempe Leadership, Tempe, Arizona, 1993 - 1994
- Vice-Chairman, The Centers for Habilitation, Tempe, Arizona, 2003
- Board Member, The Centers for Habilitation, Tempe, Arizona, 1999 - 2005
- President, Tempe Leadership, Tempe, Arizona, 1997 - 1998
- Board Member, Tempe Communities in Schools, Tempe, Arizona, 1999 - 2001
- Board of Directors, Tempe Leadership, Tempe, Arizona, 1994 - 1999
- Reserve Police Officer, City of Tempe Police Department, 1994 - 2001
- AV® PreeminentTM Rating by Martindale-Hubbell
- Arizona State University, B.S. in Accounting, 1982
- The University of Texas School of Law, Austin, Texas, J.D., with Honors, 1988
- Co-edited revisions to Couch On Insurance 3d (Ch. 7 "Introduction to Group Health Insurance and Government Regulations", ERISA and Ch. 8 "Group Health Insurance: Rights and Obligations")
- Speaker, Beneficiary Challenges Roundtable, International Claims Association, 2016
- Co-Authored, Chapters on Insurance Bad Faith, Punitive Damages and Construction Defect for the Arizona Tort Law Handbook
- "A Practical Guide To ERISA For Claims Examiners and Investigators", Sponsored by the Western Claims Conference, June, 1997
- "What You Need to Know About Presenting and Defending ERISA Claims for Benefits", Sponsored by the Maricopa County Bar Association, February 1998
- "Analyzing and Handling of Insurance Claims Subject to Interpleader Actions", Sponsored by the Eastern Claims Conference, February, 2001
- "Disability Insurance Claims in Arizona", Lorman Education Services, 2003
- "Insurance Bad Faith Claims in Arizona", Lorman Education Services, 2001 - 2006
- "Attorney Professionalism" State Bar of Arizona and a Mandatory Course for all Newly Admitted Arizona Attorneys, 2005
- "Attorney Professionalism" State Bar of Arizona and a Mandatory Course for all Newly Admitted Arizona Attorneys, 2007
- "Attorney Professionalism" State Bar of Arizona and a Mandatory Course for all Newly Admitted Arizona Attorneys, 2009
- "Attorney Professionalism" State Bar of Arizona and a Mandatory Course for all Newly Admitted Arizona Attorneys, 2011
- Panelist, CLE by the Sea regarding the difference between State and District Court Litigation, the Arizona State Bar, 2007
- "Bad Faith 101", ,National Business Institute, 2012
- "Accidental Death Claims", International Claims Association, 2012
- "Current Development in Disability Claims", National Business Institute, 2012
- "Disability Claim Hot Topics", International Claims Association, 2012
- Speaker, Surviving Attacks to Attorney-Client Privilege, International Claims Association, 2017
Office location for William M. Demlong
1850 North Central Avenue
Suite 1900
Phoenix, AZ 85004
Selections
- Super Lawyers: 2009 - 2025