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US Patent Office Plans Review In Boston-Edwards TAVR Battle

The US Patent & Trademark Office has found three grounds on which to review four claims in a Boston Scientific TAVR patent being challenged by Edwards Lifesciences. The companies have seen mixed recent verdicts in European bodies on related patent disputes.

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The US Patent & Trademark Office will review Boston Scientific Corp.’s patent on key technology used in transcatheter aortic valve replacement (TAVR) devices, the office announced March 29. The review is just one part of ongoing global intellectual property dispute between Boston Scientific and Edwards Lifesciences Corp.

The USPTO review will address four claims included in a Boston Scientific heart-valve device patent, all related to the use of a fabric skirt or flap to help seal in...

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