Cannabis Patent Litigation Update: Is Extraction and Preparation Prior Art?
About six months ago, we posted news of the first ever cannabis patent infringement case. As a reminder, the case was initiated by United Cannabis Corporation (“UCANN”) in the United States District Court, District of Colorado against its in-state competitor, Pure Hemp Collective Inc. (“Pure Hemp”). The subject patent is U.S.P. 9,730,911 – “cannabis extracts






