Thorvald A. "Thor" Nelson

Hal specializes in franchise and intellectual property litigation and arbitration. He also has a wide range of experience in trademark registration and commercial litigation. Hal is admitted to practice law in Colorado, Wyoming, and the District of Columbia as well as the United States Courts of Appeals for the 1st, 4th, 9th, 10th, and Federal Circuits. Hal is an approved arbitrator with the American Arbitration Association. He is a member of the American Bar Association’s Intellectual ...

Patrick Miller is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Patrick, who practices law in Denver, Colorado, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick is held by other top lawyers in the same geographic and legal practice area.

Darin J. Gibby is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Darin J., who practices law in Denver, Colorado, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Darin J. is held by other top lawyers in the same geographic and legal practice area.

Peter McClenahan is at home in the courtroom. A skilled and dynamic trial lawyer, Peter’s practice focuses on personal injury, complex business and civil litigation and professional malpractice. In 2013, Peter was recognized for obtaining two of the top ten largest personal injury jury verdicts in the State of Colorado that year. Peter’s litigation background is extensive, and he has learned his craft from some of the best. Prior to joining Ogborn Mihm, Peter led a trial team of a...

Understands complexities of water litigation, acquisitions and transactions. In 40-plus year career has led 750 water litigations and over 20 Supreme Court appeals. Former senior water counsel and first assistant attorney general for the Water Unit of the Colorado Attorney General’s Office. Steve Sims is a leading western water law attorney with a focus on water court litigation, water acquisition strategy and water transactions in the west. He brings four decades of experience represen...

Samuel L. Levy focuses his practice in the areas of taxation, real estate and corporate transactional planning, real estate syndication, estate and business planning, and probate law. His real estate activities have included joint venture negotiation and formation for major real estate projects, syndication of real estate investment funds to pension and institutional investors, and counseling concerning real estate investment, financing and disposition structures. Sam's estate planning and pr...

More than a decade of experience in patent law. Represents some of the most recognizable names in Silicon Valley and the tech industry at large. Manages international patent portfolios for multinational companies. Benno Guggenheimer brings his technical background to bear on his patent work for Fortune 500 companies. His practice includes patent prosecution and patent analysis, with a focus on electronic devices, software products, medical devices and automated systems. Benno works closely wi...

Langdon’s practice concentrates on complex domestic relations matters, inclusive of dissolution of marriage, legal separations, custody disputes, child support modifications, parenting time issues and post-decree matters. He is admitted to the Colorado and U.S. District Courts, the U.S. Court of Appeals and the U.S. Supreme Court.

For two decades, Mark has provided legal representation and practical advice to business entities and individuals on a full range of corporate, real estate, business, and other commercial matters. In the role of outside general legal counsel, Mark also acts as a trusted advisor to decision-makers on the full range of legal and strategic issues facing businesses, both large and small. In his corporate practice, Mark provides advice with regard to the following: Entity formation Business start-...

Bradley A. Levin, a shareholder in the Denver law firm Levin Sitcoff PC, focuses his practice on tort and commercial litigation, especially insurance bad faith and insurance coverage disputes. He has significant litigation and trial experience. Mr. Levin received his undergraduate degree from Stanford University, with distinction, where he was elected Phi Beta Kappa. He graduated from the University of California, Hastings College of Law, and served as editor-in-chief of the Hastings Constitu...