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A number of U.S. patents have been issued for various cannabinoids, chemical compounds that are derived from the cannabis plant.

Patents for GW Pharmaceuticals can be found HERE.

Patents for Otsuka, US licensee of GW, can be found HERE.

Cannabis Potency

The University has had a contract with the National Institution of Drug Abuse since mid-1970s to grow and analyze marijuana. Each year since 1975, the Project has issued quarterly reports concerning the THC levels of seized cannabis samples sent to them by law enforcement. These reports detail the potency (cannabinoid content, mostly THC) of these samples that include marijuana, sensemilla (flower-only high potency cannabis), kilobricks and general leaf.

These two tables analyze the potency (THC %) of the samples reviewed by the University of Mississippi by year:

There is only one location in the entire United States where the growing of cannabis (marijuana) is legal, and that is the University of Mississippi's School of Pharmacy. "Ole Miss," as U of M is often called, is located in Oxford, Mississippi.


Click on the photo above for links to over 200 medical cannabis studies ordered by 18 medical conditions.