Mr. Marks has been successfully representing municipalities, counties, special districts and their employees in litigation for over 30 years in tort, contract and civil rights suits.  He is approved counsel on many of the public entity insurance pools within Colorado.  He has a broad base of experience defending public entities and employees in most areas of local government activity including police and sheriff actions, election controversies, land use litigation, employment claims, liquor and cannabis regulation, construction disputes and telecommunication tower denials. Mr. Marks is a frequent lecturer to state and federal audiences on governmental immunity and qualified immunity defenses that  arise from defending local governments and employees.  He has also conducted special investigations into public official conduct for local governments.

 In addition to trial work, Mr. Marks is equally comfortable in an appellate court, having argued and/or filed briefs before the all levels of appellate courts within Colorado, the Tenth Circuit Court of Appeals and the United States Supreme Court.

Mr. Marks’ is recognized as one of the most knowledgeable legal practitioners in land use and zoning controversies in Colorado, having been recognized by Best Lawyers in America for Land Use Litigation. He has developed considerable expertise in advising clients and in litigating land use controversies in state and federal courts.  His interest in land use dates back almost four decades when he was involved in challenges to the Lake Tahoe Regional Planning Agency before he entered law school.  His clientele includes municipal and county governments and resort developers.    He is well versed in planned unit developments, rezonings, subdivisions, development plan approvals, annexations, road regulation, vested rights, conservation easements, historic preservation, special use permits, extractive industry permits and takings law.  He has tried and successfully litigated land use cases in both Colorado and federal courts.  He has also assisted the development community and well as local governments in navigating often complex and competing land use regulations in Colorado.