A federal judge in Allergan invalidated four key patents for the dry-eye treatment Restasis on Monday, dealing a blow to its manufacturer, Texas, which had sought to protect its patents by transferring them to a Native American tribe.
A federal judge in Texas invalidated four key patents for the dry-eye treatment Restasis on Monday, dealing a blow to its manufacturer, Allergan, which had sought to protect its patents by transferring them to a Native American tribe.