Fed. Circ. Dumps Learning Curve's Sippy Cup Patent Suit

Law360, Los Angeles (March 30, 2012, 5:31 PM EDT) -- The Federal Circuit on Friday affirmed a Wisconsin court's decision to nix baby product maker Learning Curve Brands Inc.'s patent infringement lawsuit against rival Munchkin Inc. over the design of its sippy cup lids.

The appeals court said Munchkin's screw-on lids, used in a line of disposable sippy cups for infants, have “substantially different” sized radii around the body of the cup than what is covered in the Learning Curve patent-in-suit.

The ruling is a win for Munchkin, which chose to switch from a sippy cup...
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