Mark M. Deatherage

Steve focuses on five practice areas – natural resources, municipal, private utility, development, and environmental law. He also litigates certain matters for his clients. The natural resources element of his practice deals primarily with water rights. Steve represents more than 50 municipal and private party clients regarding water rights and use. He has successfully litigated natural resource matters before the Supreme Court of Arizona. Steve represents municipalities and special imp...

Aaron Harmon has built a strong reputation in Arizona’s entrepreneurial community as a lawyer who provides practical counsel to founders, executives and investors alike. Aaron represents startups, established companies and investors in angel, venture capital and private equity financings, in mergers and acquisitions, in negotiating and drafting commercial contracts, and in general corporate and commercial matters. Aaron began his legal career as a judicial clerk for Chancellor William B...

Diane M. Johnsen is a lawyer recognized by Best Lawyers in the practice areas of Appellate Practice, Commercial Litigation and Environmental Law. Diane M. practices law in Phoenix, Arizona Best Lawyers has recognized Diane M. Johnsen since 2005. 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 Diane M. Johnsen is held by other lawyers.

Biography Danielle generally assists industrial facilities, mining operations, and agricultural operations with all aspects of environmental regulation, including air, waste, and water quality issues. She frequently assists clients in performing environmental regulatory audits of their facilities. Danielle is well versed in all aspects of permitting under the Clean Air Act (CAA) and often assists clients to manage their CAA compliance obligations and understanding regulatory requirements. As ...

Kevin P. Nelson is a lawyer recognized by Best Lawyers in the practice area of Litigation - Construction. Kevin P. practices law in Phoenix, Arizona Best Lawyers has recognized Kevin P. Nelson since 2023. 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 Kevin P. Nelson is held by other lawyers.

Roger Cohen has over 40 years’ experience as a business attorney, representing clients in both litigation and transactions. He has a deep knowledge and understanding of commercial law and the litigation process and is a forceful and effective advocate for his clients. Roger’s experience as a transactional attorney adds value in the litigation setting, as he can relate the documentation process to issues that arise in business and commercial disputes. Conversely, his knowledge and ...

Lori Brown is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Lori practices law in Phoenix, Arizona Best Lawyers has recognized Lori Brown since 2027. 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 Lori Brown is held by other lawyers.

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...

Throughout the course of his career, Bucky has earned a reputation as an intensely passionate trial lawyer who aggressively pursues the most favorable outcomes for his clients, no matter how serious or complex their challenges are. From his zeal and unwavering commitment to those he has served, He has achieved considerable success helping his clients recover the full amount of compensation they deserve so that they can cover their medical bills, lost wages and other associated damages, and mo...

Bill Maledon is amongst the most esteemed commercial litigation and trial attorneys in Arizona and across the United States, and has built a widely recognized reputation for leading large-scale and complex commercial matters. He is a prominent figure both in federal and state courts, with notable expertise in antitrust, securities, and sports-related matters. He also has extensive experience in handling appellate matters in both federal and state courts and has acted as mediator and arbitrato...