David H. Leigh

Catherine Maness is Special Counsel in the Firm’s Salt Lake City office and a member of the Intellectual Property practice group. Ms. Maness’ practice focuses on Intellectual Property litigation, with an emphasis on patent and trademark litigation. In her legal practice, she has worked on a wide range of disputes and technical areas. She has litigated in diverse venues, including New York, California, Florida, Texas, Arkansas, Utah, and in front of the USPTO.

Gregory Hess concentrates his practice on intellectual property law, including intellectual property identification and protection, licensing and transfer, and dispute resolution. He regularly assists clients with a wide variety of intellectual property agreements, including license agreements, technology agreements, Internet agreements, OEM, distribution and reseller agreements, confidentiality and non-disclosure agreements, manufacturer and supply agreements, and transfer agreements. He als...

David (Dave) Tullis is a highly respected attorney practicing in Salt Lake City, Utah. Recognized by Best Lawyers since 2021, he specializes in Litigation – Insurance, Personal Injury Litigation – Plaintiffs, and Product Liability Litigation – Plaintiffs. This recognition reflects the high esteem in which he is held by his peers and his reputation for professional excellence. Since earning his J.D. from California Western School of Law in 2005, David has represented clients ...

Jonathan Hafen has extensive experience representing clients in federal and state courts. He has been widely praised by clients and peers for his skilled and efficient approach to litigation. As a trial lawyer, Mr. Hafen handles a wide variety of litigation, including cases in the areas of securities law, employment law, breach of contract, land disputes, road disputes, intellectual property, disputes over ownership and control of businesses, class actions, and construction law. Mr. Hafen&rsq...

Lance Milne is a founding partner of Mortensen & Milne , a Salt Lake City, Utah law firm representing individuals and families in complex civil litigation. His practice focuses on Aviation Law , Personal Injury Litigation - Plaintiffs , and Product Liability Litigation - Plaintiffs . Lance represents clients in Utah and across the United States in cases involving catastrophic workplace incidents , trucking collisions , oilfield accidents, aviation disasters, and other serious injury and w...

Paul Barrus is a member of the firm’s business and finance group. Mr. Barrus also practices in the areas of tax and employee benefits and executive compensation, which includes advising on the tax and benefit aspects of mergers and acquisitions. Mr. Barrus also has experience designing and implementing equity incentive plans. Mr. Barrus received his Juris Doctor in 2015, graduating cum laude from Northwestern University School of Law. He received a B.S. in Political Science, cum laude, ...

Mark Stewart is a highly regarded personal injury attorney practicing in Salt Lake City, Utah. Recognized by Best Lawyers since 2025, he specializes in Personal Injury Litigation – Plaintiffs, reflecting the high esteem in which he is held by his peers. Since joining The Advocates in 2013, Mark has successfully resolved thousands of personal injury cases, consistently achieving favorable outcomes for his clients. Known for his exceptional negotiation skills and clear, accessible communi...

Steven Linton is a highly respected personal injury attorney practicing in Salt Lake City, Utah. Recognized by Best Lawyers since 2022, Steven specializes in Litigation – Insurance, Personal Injury Litigation – Plaintiffs, and Product Liability Litigation – Plaintiffs. His recognition reflects the esteem of his peers and his exceptional reputation in the legal community. With over two decades of experience at The Advocates, Steven has successfully represented thousands of cl...

David Reymann is a commercial litigator with experience in numerous areas of the law, including First Amendment, media, intellectual property, appellate, network marketing/direct sales, contract disputes, and environmental litigation. Over the past 16 years, Mr. Reymann has argued cases at all levels of Utah’s state and federal courts and has served as counsel in high-stakes litigation for local, national, and international clients alike. Mr. Reymann is a tenacious and tireless advocate...

Lamont R. Richardson is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Land Use and Zoning Law and Real Estate Law. Lamont R., who practices law in Salt Lake City, Utah, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lamont R. is held by other top lawyers in the same geographic and legal practice area.