UPDATE 3-U.S. judge in Texas invalidates Allergan patents on Restasis
October 16, 2017 at 16:57 PM EDT
Oct 16 (Reuters) - A U.S. judge on Monday invalidated patents on Allergan Plc's dry-eye medicine Restasis on grounds that the patents cover ideas that are obvious, sending shares of the pharmaceutical company down 3.5 percent.
