U.S. and EU Patent Office Decisions Invalidate Amgen Subsidiary Immunex's Patents Claiming Antibodies to the IL-4 Receptor
Regeneron Pharmaceuticals, Inc. (REGN)
Last regeneron pharmaceuticals, inc. earnings: 2/6 06:30 am
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Source: PR Newswire
TARRYTOWN, N.Y., Feb. 15, 2019 /PRNewswire/ -- Today the European Patent Office invalidated Immunex's European patent claiming antibodies that target human IL-4 receptors (IL-4R)Decision follows yesterday's ruling by the U.S. Patent & Trademark Office invalidating a similar Immunex patent claiming antibodies that target human IL-4RRegeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced two important legal developments invalidating Immunex patents with functional claims to antibodies that target human interleukin-4 receptors (IL-4R). Earlier today, the Opposition Division of the European Patent Office (EPO) revoked Immunex's European Patent No. 2,990,420 in its entirety because the claims were invalid for insufficiency of disclosure. This follows a decision yesterday by the Patent Trial and Appeal Board (PTAB) of the U.S. Patent & Trademark Office (USPTO) to invalidate all 17 claims of Immunex's U.S. Patent No. 8,679,487 as obvious. These decisions are subject to appeal by Immun
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