Cannabis patent proceedings are no longer something reserved for a hypothetical future when cannabis becomes legal at the federal level. On January 3, 2019, the Patent Trial and Appeal Board at the United States Patent Office (USPTO) issued its decision in the Inter Partes review, Insys Development Company, Inc. v. GW Pharma Limited and Otsuka Pharmaceutical Co., (IPR 2017-00503). This is the first time that a patent covering a cannabis-related technology has been the subject of an inter partes proceeding at the USPTO. Even though cannabis remains a Schedule I controlled substance under U.S. federal law, the USPTO, a federal agency of the U.S. Department of Commerce, routinely grants patents covering cannabis-related technologies. Because enforcement of patent rights is governed by federal law, the Schedule I status of cannabis has cast uncertainty over whether cannabis patent rights can actually be challenged or enforced. The recent PTAB proceeding shows that they can be challenged.
Inter Partes Review (IPR) is a trial proceeding at the Patent and Trial Appeal Board (PTAB) of the USPTO that permits a third-party to challenge the validity of claims of a granted patent. If the challenger demonstrates that the claimed technology was known to the public before the patent application was filed, then the claims fail to meet the novelty and/or nonobviousness requirements and the Board can declare the patent invalid. Continue reading Business as usual at the Patent and Trial Appeal Board: the first cannabis related Patent and Trial Appeal Board decision at the United States Patent and Trademark Office