April 01, 2019
Oil-Dri Corp. of America and Nestle Purina Petcare Co. have reached a confidential settlement days after an Illinois federal jury awarded Oil-Dri $3 million in its lawsuit accusing Nestle Purina of selling Tidy Cat litter that infringes its clay particle patent.
March 26, 2019
An Illinois federal jury on Tuesday awarded $3 million to Oil-Dri Corp. of America over its claims that Nestle Purina Pet Care Co.'s Tidy Cats line of clumping litter infringes a clay particle patent it has held since 1999.
March 18, 2019
Nestle Purina Petcare Co. has made nearly $1 billion in profits selling its Tidy Cats line of clumping cat litter that infringes a clay particle patent held by a competitor, an Illinois federal jury heard Monday.
October 16, 2018
An Illinois federal judge has sanctioned lawyers for Nestle Purina Petcare Co. for "gamesmanship" during the deposition of a key witness in its cat litter patent fight against a competitor.
August 07, 2017
Nestle Purina PetCare Co. can attack an Oil-Dri Corp. of America cat litter patent on various grounds that it included in a petition for inter partes review, an Illinois federal judge has ruled, but the judge said certain arguments left out of the petition are off-limits.