Precision BioSciences Says USPTO to Re-examine Cellectis Patents | GenomeWeb

NEW YORK (GenomeWeb News) – Precision BioSciences today said that the US Patent and Trademark Office is reexamining two patents that have been licensed to Cellectis and that are part of ongoing litigation between the two firms.

The patents — US Nos. 7,214,536 and 6,833,252 — are owned by the Institut Pasteur and the Universite Pierre et Marie Curie and have been licensed to Cellectis. They are among 13 issued US patents that Cellectis is asserting against Precision BioSciences.

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