Pet food suit and countersuit

Wilton-based pet food company Blue Buffalo has filed a countersuit against Nestle Purina PetCare in U.S. District Court.

Last week, Purina sued Blue Buffalo alleging the company falsely advertised the ingredients of its pet foods — the Wilton company denies these charges.

Blue Buffalo’s lawsuit accuses Purina of defamation, and also says Purina is guilty of false advertising in regards to its own products.

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