What is the significance of the CTS Corp. v. Piher Int’l Corp. case in pre-AIA patent law?
The case of CTS Corp. v. Piher Int’l Corp., 593 F.2d 777, 201 USPQ 649 (7th Cir. 1979) is significant in pre-AIA patent law for its interpretation of the on-sale bar’s application to foreign activities. The MPEP 2133.03(d) cites this case to illustrate an important principle: “The same rationale applies to an offer by a…
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