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A federal jury in Delaware find that 3 of 4 patents in a 2nd infringement case between Volcano Corp. and St. Jude Medical do not infringe on Volcano, which drops a 4th from the case.

Volcano, St. Jude Medical

Volcano (NSDQ:VOLC) said a federal jury in Delaware handed it a loss in the 2nd patent infringement lawsuit between the medical device company and arch-rival St. Jude Medical (NYSE:STJ), ruling that 3 of 4 VOLC patents aren't infringed by St. Jude.

Volcano voluntarily pulled the 4th patent from the case, according to a regulatory filing.

Volcano won the 1st round earlier this week, when another First State jury ruled that 2 Volcano patents for fractional flow reserve technology don't infringe St. Jude Medical and that 2 St. Jude patents are invalid.

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