For more than 25 years, Carl Hartmann has been trial and appellate counsel in complex federal civil cases throughout the nation -- involving corporate law, employment, intellectual property, HR, EEO, telecommunications, real estate workouts, and environmental actions under CERCLA. He has been counsel both for major corporations and individuals, as well as special outside investigative counsel for the federal government. The U.S. Circuit Court of Appeals for the Tenth Circuit described Mr. Hartmann's victory against the City of Albuquerque, following a difficult and extensive federal trial, as "a classic jury case". From 1988 to 1990, he was also the supervising counsel for Merrill Lynch Private Capital’s U.S. Virgin Islands asset recovery operations.

As lead counsel for legal publisher HyperLaw, Inc. in the Southern District of New York action Matthew Bender and HyperLaw, Inc. v. West Publishing -- he tried one of the largest successful federal copyright actions regarding database protection and copyright in electronic publishing. He also argued the case against Prof. Arthur R. Miller in the successful Second Circuit appellate affirmance.

In addition, he has consulted with, and developed programs in compliance, EEO and litigation support for corporate and governmental clients including Sandia National Laboratories, the U.S. Justice Department, the U.S. Navy, the Western Area Power Authority, the National Forest Service, and the U.S. Department of the Interior.