In most cases, the patent is issued by the USPTO an average of 3.4 years after filing for a conventional drug and 4.4 years after filing for a biologic. According to statute, the granting of a pharmaceutical patent includes protection on that patent for a period of 20 years from time of patent filing.
So it would seem there is plenty of patent time left?
Ann: paxalisib PNOC collaboration, page-22
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