Craig A. Logsdon

Anthony L. Marks is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Anthony L. practices law in Phoenix, Arizona Best Lawyers has recognized Anthony L. Marks since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Anthony L. Marks is held by other lawyers.

Mark Ogden has litigated more than 500 employment lawsuits to conclusion, mostly in federal court, and has litigated 23 jury trials to verdict. Among his notable litigation successes are cases involving: Discrimination on the basis of religion, age, and disability Breach of contract issues Whistleblower claims He also provides employment training to employers of all sizes and regularly speaks on a variety of topics before a wide range of professional organizations. Mark is co-chair of the fir...

BETSY J. LAMM is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Betsy has been recognized by Best Lawyers since 2026. This recognition is based on an exhaustive peer-review survey. Betsy has practiced her entire career at Cohen Dowd Durchslag (CDD). She joined CDD in 2008, following a judicial clerkship for the Honorable Chief Justice Ruth V. McGregor of the Arizona Supreme Court. Betsy’s practice focuses on complex commercial litigation, inc...

Daniel E. Durchslag is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Daniel, 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 Danie is held by other top lawyers in the same geographic and legal practice area.

Ms. Villanueva is an attorney in the firm’s Intellectual Property Department. She practices in the areas of domestic and international trademark and copyright prosecution, licensing and enforcement. Ms. Villanueva assists clients with brand development and with identifying various protectable aspects of the clients’ products, services and concepts. She also helps clients with clearing all aspects of advertising, promotional and marketing materials and products, including trademark...

John has extensive experience in complex commercial litigation, including handling numerous trials, hearings and other matters before state and federal courts in the areas of contracts, business torts, trade secrets, real estate, securities, intellectual property, partnership and products. He has represented large multi-national clients, as well as regional and local businesses and individuals in a variety of business disputes. In light of this diverse experience in litigating business issues...

Frank I. Powers Phoenix, Arizona Member phone 602-271-9344 877-271-9344 (Toll Free ) fax 602-252-2099 email Email Me Frank Powers is a Certified Specialist in Injury and Wrongful Death Litigation through the State Bar of Arizona, Board of Legal Specialization. Mr. Powers devotes his law practice to representing clients who have been seriously injured or who have lost loved ones due to the wrongful conduct or negligence of others. Mr. Powers earned a Bachelor of Science degree in economics fro...

William M. Demlong is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Construction Law, Insurance Law and Litigation - Insurance. William M. practices law in Phoenix, Arizona Best Lawyers has recognized William M. Demlong since 2017. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which William M. Demlong is held by other lawyers.

Mark A. McGinnis is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law, Natural Resources Law and Water Law. Mark A. practices law in Phoenix, Arizona Best Lawyers has recognized Mark A. McGinnis since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark A. McGinnis is held by other lawyers.

Steve Sparks joined Sanders & Parks in 1995 and is a Shareholder and Director. For many years, he served as the firm's Vice President and on the firm's Executive Committee. Mr. Sparks has earned Martindale-Hubbell's highest AV® Preeminent rating and has been honored by AVVO (a peer-reviewed professional organization) with its highest rating – Superb Rated Attorney. He is licensed to practice law in both Arizona and California and maintains an active practice in both jurisdiction...