Cannabis Patent Litigation Update: Is Extraction and Preparation Prior Art?
In the News: Shared from Canna Law Blog
Did UCANN really get USTPO coverage for 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 and methods of preparing and using same,” which generally covers liquid cannabinol formulations using tetrahydrocannabinol (THC), cannabidiol (CBD), and various terpenes (the “911 Patent”).
Just six months into litigation, Pure Hemp has already responded by filing a Counterclaim and Motion for Partial Summary Judgment, which has yet to be heard. These filings have already raised several issues of first impression. While we plan to cover each of these issues on the blog, perhaps the most fascinating question relates to Pure Hemp’s prior art arguments, which could effectively invalidate UCANN’s 911 Patent altogether.
First, let’s back up with a high-level overview of the term “prior art.” In order to successfully obtain a patent, U.S. patent law requires the applicant to demonstrate that the invention attempting to be claimed is both (1) novel, and (2) nonobvious. Both these factors can be overcome by what is known as prior art…
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