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ARTICLE | Company News

Allergan sues hedge fund in response to Combigan IPR

June 25, 2015 12:14 AM UTC

Allergan plc (NYSE:AGN) filed suit against Ferrum Ferro Capital in the U.S. District Court for the Central District of California, alleging the hedge fund attempted to extort the company "by misusing the inter partes review (IPR) process."

Ferrum filed an IPR in March with the U.S. Patent and Trademark Office challenging a claim on an Allergan patent covering Combigan 0.2% brimonidine/0.5% timolol solution on the grounds of obviousness. ...