Keller and Heckman LLP
Law PracticeDistrict of Columbia, United States201-500 Employees
Keller and Heckman LLP is a U.S.-based law firm headquartered in the District of Columbia, founded in 1962. Its practice spans regulatory law, public policy, and litigation for clients both domestically and internationally. The firm emphasizes an interdisciplinary approach, maintaining an in-house scientific staff since 1971 to handle technically complex matters. A number of its attorneys bring government experience across multiple areas of law, supporting its regulatory and policy work. In early 2026, Keller and Heckman participated in the 19th Annual EU Food Packaging Law Seminar, signaling ongoing engagement with European regulatory matters and cross-border advisory capabilities. The firm has also earned external recognition, including a Chambers USA Band 1 designation in the nationwide Food and Beverages regulatory and litigation practice (awarded in 2020).