December 2009
The ‘On-Sale’ Bar After PfaffBy Robert W. Morris and Franciscus Ladejola Diaba
Pfaff v. Wells Elecs., Inc. is widely recognized as a milestone in the annals of patent law for providing direction as to how courts are to analyze and apply the statutory "on-sale" bar to the granting of patents. This article explores how the Federal Circuit has applied Pfaff in more recent cases.
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