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Mixed Ruling In Tyco, Ethicon Patent Suit

Law360 (October 12, 2007, 12:00 AM EDT) -- Tyco Healthcare Group LP on Thursday won summary judgment that Ethicon Endo-Surgery Inc. had infringed seven patent claims related to an ultrasonic surgical scalpel, while Ethicon won summary judgment of invalidity on two patent claims, and summary judgment of noninfringement on two other claims.

Tyco has asserted a total of 36 claims against Ethicon, belonging to four different patents. All of the patents relate to a type of scalpel that uses ultrasound to cut tissue and induce blood coagulation.

Tyco has alleged that Ethicon, a unit...
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