Trial begins today in St. Jude Medical/Volcano patent spat
A jury will begin hearing evidence today in a nasty patent spat over fractional flow reserve technology between St. Jude Medical and Volcano Corp.
St. Jude sued Volcano in July 2010 in the U.S. District Court for Delaware, accusing it of violating a quintet of patents St. Jude acquired in its 2008 buyout of Radi Medical Systems AB, a Swedish guidewire maker.
The patents cover STJ's PressureWire system, which uses a sensor to measure arterial blood pressure by calculating fractional flow reserve  associated with stenosis in patients with coronary artery disease, according to court documents. The lawsuit  alleges that San Diego-based Volcano's PrimeWire system violates the patents. St. Jude wants a jury to decide whether it's due a judgment of infringement, a permanent injunction barring further infringement, damages, pre- and post-judgment interest, royalties on any infringing sales and legal fees.