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Thomas L. Halkowski



Tom Halkowski is a Principal in the Delaware office of Fish & Richardson. Mr. Halkowski joined the firm in 2000. Since joining the firm he has worked in a variety of cases, including suits concerning patent infringement, trade secrets misappropriation, as well as qui tam claims. Several of these matters he has litigated through jury trial and have involved a wide range of technologies, including medical devices, software, semiconductor fabrication tools, and chemical composition of leading-edge golf balls.  He has also served on the faculty for numerous CLE programs as well as internal training programs on discovery, trial advocacy, and evidentiary issues.  Prior to joining Fish & Richardson, he was a Senior Trial Attorney for the Environment & Natural Resources Division of the United States Department of Justice, where he also litigated a number of matters through trial.  His duties at Justice included supervising trial attorneys; litigating a variety of cases concerning alleged physical or regulatory intrusions upon property; and serving as lead counsel for the United States in numerous matters requiring consultation with engineers and other experts regarding commercial development of wetland properties, underground mining for valuable minerals, and strip-mining for coal.  His other legal experience includes two years as Judicial Clerk to Chief Judge Helen W. Nies, United States Court of Appeals for the Federal Circuit (1990-1992); and Judicial Clerk to Judge Roger B. Andewelt, United States Court of Federal Claims (1989-1990).


  • Delaware
  • United States Patent and Trademark Office
  • United States District Court for the District of Delaware
  • United States Court of Appeals for the Federal Circuit


  • The Honorable Roger B. Andewelt, United States Court of Federal Claims, 1989 - 1990
  • The Honorable Helen W. Nies, United States Court of Appeals for the Federal Circuit, 1990 - 1992


  • BS, Marquette University 1985
    Mechanical Engineering
    cum laude
  • MS, University of Florida 1986
  • JD, University of Wisconsin Law School 1989
    cum laude, Order of the Coif