Tag Archives: equitable defense

Patentee’s Unclean Hands

by Dennis Crouch

The Federal Circuit's new decision in Luv'N'Care, Ltd. (LNC) v. Laurain and EZPZ, relies on the doctrine of unclean hands to deny relief to the patentee (Laurain and EZPZ), affirming the district court's judgment.  The appellate panel also vacated and remanded the district court's finding that LNC failed to prove the asserted patent is unenforceable due to inequitable conduct during prosecution, as well as its grant of summary judgment one of the asserted patents was invalid as obvious.  U.S. Patent No. 9,462,903. The case here involves bowls/plates attached to a mat to help avoid spills and for easy cleanup. 22-1905.OPINION.4-12-2024_2300689.

Unclean Hands: The doctrine of unclean hands is an equitable defense that bars a party from obtaining relief when they have engaged in misconduct


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