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Markets In Ip And Antitrust, Herbert J. Hovenkamp

All Faculty Scholarship

The purpose of market definition in antitrust law is to identify a grouping of sales such that a single firm who controlled them could maintain prices for a significant time at above the competitive level. The conceptions and procedures that go into “market definition” in antitrust can be quite different from those that go into market definition in IP law. When the issue of market definition appears in IP cases, it is mainly as a query about the range over which rivalry occurs. This rivalry may or may not have much to do with a firm’s ability to charge a …