PTAB Invalidates Antecip's Bone Treatment Patent

By Dani Kass (November 16, 2018, 8:25 PM EST) -- The Patent Trial and Appeal Board has wiped out an entire Antecip Bioventures II LLC patent covering a drug used to treat bone problems, a ruling that came in a post-grant review prompted by Grunenthal GmbH.

The board on Wednesday invalidated the 30-claim patent citing anticipation, obviousness and lack of enablement. One judge dissented from the enablement decision, but agreed the patent should be invalidated as obvious and anticipated.

The patent covers zoledronic acid, which the PTAB described as having "a number of medical purposes, such as treatment of undesirable conditions or diseases, including disease or conditions related to bone, cancer,...

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