3 known cases. View patent page →
Google Patents lists this as a family-level litigation record associated with US 4,458,066, but the record does not state parties, filing date, or asserted patents, and it cannot be confirmed that US 4,458,066 was specifically asserted.
Affymetrix sought a declaration of unenforceability for inequitable conduct, alleging that UPI/Competitive Technologies failed to disclose the Caruthers & Matteucci 1980 Tetrahedron Letters article during prosecution of the '066 and '679 patents. The court denied defendants' Rule 12(b)(6) motion to dismiss and allowed a patent misuse theory concerning the '679 patent. The '066 patent expired 2001-07-03.
BioCentury reported that PE Biosystems sued Affymetrix in the U.S. District Court for the District of Delaware, alleging infringement of US 4,458,066; 4,500,707; 5,132,418; 5,153,319; and 4,973,679. The case number and outcome were not confirmed.