Volcano fires back at St. Jude over patent lawsuit

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In a filing made in the U.S. District Court for the District of Delaware, Volcano denies allegations that its PrimeWire products infringe any claim of St. Jude Medical’s asserted patents. Volcano also asserted that St. Jude’s patent infringement claims are “without merit.”

Moreover, Volcano said that two of the asserted St. Jude patents are “unenforceable because they were obtained through acts of fraud on the U.S. Patent and Trademark Office (USPTO).” Specifically, Volcano said that the individuals involved in securing these two patents withheld from the USPTO a patent describing the work of scientists at Volcano's predecessor company, Cardiometrics.
 
In addition, Volcano has alleged that St. Jude's PressureWire products and its RadiAnalyzer Xpress product infringe three Volcano patents. In its counterclaim, Volcano is seeking injunctive relief and monetary damages.

"Volcano believes that it, not St. Jude or Radi Medical, has led the way in fractional flow reserve technology by developing the first guidewires to incorporate a solid state pressure sensor, the WaveWire,” said Scott Huennekens, CEO of Volcano.