The 'On-Sale' Bar After Pfaff

<i>Pfaff v. Wells Elecs., Inc.</i> 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 <i>Pfaff</i> in more recent cases.

9 minute read September 29, 2009 at 11:14 AM
By
Robert W. Morris And Franciscus Ladejola Diaba
The 'On-Sale' Bar After Pfaff

Pfaff v. Wells Elecs., Inc., 525 U.S. 55 (1998) 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.

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