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Market Definition In Intellectual Property Law: Should Intellectual Property Courts Use An Antitrust Approach To Market Definition?, Anna F. Kingsbury

Marquette Intellectual Property Law Review

In her Article, Ms. Kingsbury notes that American courts do not use antitrust law's market definition approach in intellectual property cases. She discusses five potential rationales for this dichotomy: (1) intellectual property cases involve new products without defined markets; (2) market definition limits judicial flexibility; (3) courts do not want to burden intellectual property litigants with the time and expense of economic evidence; (4) judges reason from precedent, and that precedent did not consider market definition; and (5) "market" conveys a different meaning in intellectual property law than it does in antitrust law. Kingsbury presents counterarguments to these rationales and …