Allergan faces fresh woes with Restasis patents as Walgreen, retailers file lawsuit over ‘anticompetitive conduct’

Allergan faces fresh woes with Restasis patents as Walgreen, retailers file lawsuit over ‘anticompetitive conduct’

Source: 
Endpoints
snippet: 

Allergan’s patent troubles with Restasis mushroomed on Wednesday when four major US retailers teamed up to sue the drugmaker for a string of alleged antitrust violations.