USPTO awards 15th U.S. CRISPR-Cas9 patent to University of California

Tuesday, September 24, 2019 Genetics & Stem Cells News
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New patent is fourth added to university's portfolio for the pioneering gene-editing technology this month

BERKELEY, Calif., Sept. 24, 2019 /PRNewswire/ -- Today, the U.S. Patent and Trademark Office (USPTO) granted a new CRISPR-Cas9

patent to the University of California (UC), University of Vienna, and Dr. Emmanuelle Charpentier, bringing new compositions and methods to the continuously expanding patent portfolio. U.S. Patent 10,421,980 covers compositions of certain DNA-targeting RNAs that contain RNA duplexes of defined lengths that hybridize with Cas9 and target a desired DNA sequence.

The patent also covers methods of targeting and binding a target DNA, modifying a target DNA, or modulating transcription from a target DNA wherein the method comprises contacting a target DNA with a complex that includes a Cas9 protein and a DNA-targeting RNA.  

In September, several patents have been issued to UC, increasing its U.S. CRISPR-Cas9 portfolio to 15 patents. In the coming months, based on applications allowed by the USPTO, UC's portfolio will total 18 patents, covering compositions and methods for the CRISPR-Cas9 gene-editing technology, including targeting and editing genes and modulating transcription in any setting, such as within plant, animal, and human cells.

"With every patent that issues, UC strengthens its position as the leader in CRISPR-Cas9 intellectual property in the United States," said Eldora L. Ellison, Ph.D., lead patent strategist on CRISPR-Cas9 matters for UC and a Director at Sterne, Kessler, Goldstein & Fox. "We are steadfast in our commitment to developing a comprehensive patent portfolio that protects the groundbreaking work of the Doudna-Charpentier team on CRISPR-Cas9."

The Doudna-Charpentier team that invented the CRISPR-Cas9 DNA-targeting technology included Jennifer Doudna and Martin Jinek at the University of California, Berkeley; Emmanuelle Charpentier (then of Umea University); and Krzysztof Chylinski at the University of Vienna. The compositions and methods covered by today's patent, as well as the other compositions and methods claimed in UC's previously issued patents and those set to issue, were included among the CRISPR-Cas9 gene editing technology work disclosed first by the Doudna-Charpentier team in its May 25, 2012 priority patent application.

Additional CRISPR-Cas9 patents in this team's portfolio include 10,000,772; 10,113,167; 10,227,611; 10,266,850; 10,301,651; 10,308,961; 10,337,029; 10,351,878; 10,358,658; 10,358,659; 10,385,360; 10,400,253; 10,407,697; and 10,415,061. These patents are not a part of the PTAB's recently declared interference between 14 UC patent applications and multiple previously issued Broad Institute patents and one application, which jeopardizes essentially all of the Broad's CRISPR patents involving eukaryotic cells.

International patent offices have also recognized the pioneering innovations of the Doudna-Charpentier team, in addition to the 15 patents granted in the U.S. so far. The European Patent Office (representing more than 30 countries), as well as patent offices in the United Kingdom, China, Japan, Australia, New Zealand, Mexico, and other countries, have issued patents for the use of CRISPR-Cas9 gene editing in all types of cells.

University of California has a long-standing commitment to develop and apply its patented technologies, including CRISPR-Cas9, for the betterment of humankind. Consistent with its open-licensing policies, UC allows nonprofit institutions, including academic institutions, to use the technology for non-commercial educational and research purposes.

In the case of CRISPR-Cas9, UC has also encouraged widespread commercialization of the technology through its exclusive license with Caribou Biosciences, Inc. of Berkeley, California. Caribou has sublicensed this patent family to numerous companies worldwide, including Intellia Therapeutics, Inc. for certain human therapeutic applications. Additionally, Dr. Charpentier has licensed the technology to CRISPR Therapeutics AG and ERS Genomics Limited.

Cision View original content:http://www.prnewswire.com/news-releases/uspto-awards-15th-us-crispr-cas9-patent-to-university-of-california-300923678.html

SOURCE University of California Office of the President



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