Federal Circuit deals Abbott’s St. Jude Medical a setback in catheter IP case

A Federal Circuit court ruled that Abbott (NYSE:ABT) subsidiary St. Jude Medical must face patent infringement claims.

Just over one year ago, Abbott’s St. Jude — acquired for $25 billion in 2017 — won a patent dispute over the method for using a double catheter in heart failure patients.

Niazi Licensing sued St. Jude in 2017, claiming that the Abbott subsidiary indirectly infringed its patent, issued in 2003 for the double catheter system, by inducing medical professionals to infringe it.

The patent, issued in 2003, describes the system as better suited for “use in the coronary sinus, especially in patients suffering from congestive heart failure,” according to the order issued in 2021 by a federal court judge in Minnesota. The ’268 patent also describes the system as an “outer, resilient catheter having shape memory and a hook-shaped distal end” and an “inner, pliable catheter slidably disposed in the outer catheter.”

Judge Wilhelmina Wrig…

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