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The “Commercial Offer for Sale” Standard After Minnesota Mining v. Chemque

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Publication date
29 December 2003
Publisher
Duke University School of Law

Abstract

The Supreme Court established a two-part test for determining when an invention is on sale under 35 U.S.C. §102(b) in Pfaff v. Wells Electronics, Inc. For the on-sale bar to be triggered, the invention must be ready for patenting and subject of a commercial offer for sale. In Minnesota Mining & Manufacturing v. Chemque, Inc., the Federal Circuit expounded on what constitutes a commercial offer for sale. This iBrief explores what is considered a commercial offer for sale

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