Kewanee Revisited: Returning to First Principles of Intellectual Property Law to Determine the Issue of Federal Preemption

Sharon K. Sandeen

Mitchell Hamline School of Law

Marquette Intellectual Property Law Review, Vol. 12, 2008

In 1973, the ABA Section on Patent, Trademark and Copyright faced a dilemma. For more than six years it had worked to develop a uniform law to govern trade secrets. At the time, it was thought that states could regulate in the area of trade secrets without interfering with federal patent policies. With the decision of the Sixth Circuit in the case of Kewanee Oil v. Bicron, this conclusion was called into question and further consideration of a uniform act was suspended pending clarification from the U.S. Supreme Court or an act of Congress.

In 1974, the Supreme Court provided the needed clarification when it rendered its decision in Kewanee. However, while Kewanee is often cited for the proposition that state trade secret law is not preempted, this broad statement belies five aspects of the decision. First, Kewanee is based upon Ohio's trade secret law. Thus, it is not an endorsement of the trade secret laws of all states. Second, because Kewanee was decided before the enactment of the UTSA, the U.S. Supreme Court has not ruled on the question whether the UTSA is preempted by federal law. Third, Kewanee was decided based upon the Supreme Court's understanding of U.S. patent law in 1974 and does not reflect significant changes in U.S. patent law since that time. Fourth, because the Kewanee decision was rendered before the adoption of the 1976 Copyright Act, the Court did not consider whether trade secret law interferes with federal copyright policies. Lastly, the Court failed to appreciate the possibility that an inventor would assert multiple forms of intellectual property protection for the same invention.

This article revisits the issues raised in Kewanee in light of the current state of patent, copyright and trade secret law. Although, like the U.S. Supreme Court in Kewanee, it concludes that state trade secret law is not preempted, it criticizes the reasoning of Kewanee and suggests a substitute analysis that is based upon principles of free competition.

Number of Pages in PDF File: 59

Keywords: trade secrets, Kewanee, federal preemption, intellectual property law, Uniform Trade Secrets Act, patentable subject matter, patent law, copyright, competition, free competition

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Date posted: February 21, 2008 ; Last revised: February 27, 2014

Suggested Citation

Sandeen, Sharon K., Kewanee Revisited: Returning to First Principles of Intellectual Property Law to Determine the Issue of Federal Preemption. Marquette Intellectual Property Law Review, Vol. 12, 2008. Available at SSRN: http://ssrn.com/abstract=1095871

Contact Information

Sharon K. Sandeen (Contact Author)
Mitchell Hamline School of Law ( email )
875 Summit Ave
St. Paul, MN 55105-3076
United States
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