Zonare Lobs Counterclaims In Ultrasound Patent Spat

Law360 (March 14, 2007, 12:00 AM EDT) -- Zonare Medical Systems Inc. fought back against a rival ultrasound equipment maker's infringement suit Wednesday, claiming that Sonosite Inc. actually violated its patent.

Sonosite cast the first stone last month when it filed a suit claiming Zonare’s z.one system infringed its patent for ultrasound systems under 10 pounds. Zonare filed a counterclaim Wednesday, accusing Sonosite of violating its patent titled "portable ultrasound unit and docking station."

"For nearly 10 years, we have invested heavily in this technology and we will vigorously protect our intellectual property and...
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