Patent Board Rejects Edwards’ Heart Valve Claim-Review Request

The US Patent Office has rejected a request by Edwards Lifesciences to review an Abbott patent on heart-valve technology, which could establish the patent as a key part of Abbott Laboratories’ arguments in a larger ongoing intellectual property case.

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The US Patent and Trademark Office’s rejection of a request from Edwards LifeSciences to review a heart-valve technology patent may be a good sign for Abbott Laboratories in ongoing patent litigation between the two companies, analysts say.

Edwards had asked the Patent and Trademark Office (PTO) for inter partes review of a patent on cardiac valve-repair technology that is held by Evalve Inc. but licensed to Abbott....

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