
Shares of drugmaker BioCryst Pharmaceuticals BCRX.O fall 2% to $7.24
BCRX on Monday filed lawsuit against Annora Pharma and other companies for patent infringement, according to SEC filing
BCRX is seeking to stop the companies from making generic version of its rare genetic drug, Orladeyo, and delay U.S. FDA approval until patents expire
Annora claims the three patents that expire in 2039 are invalid, unenforceable and/or won't be infringed by their generic product
Annora did not immediately respond to Reuters' request for comment
BCRX gained ~24% in 2024