Assertion: gypsum's licensee | /r/CapableOf | attack the validity of the patent
Facets:
Source sentences:
text: The Court explained that in antitrust suits brought by a patent licensee against his licensor, 'we have repeatedly held that the licensee may attack the validity of the patent under which he was licensed, because of the public interest in free competition, even though the licensee has agreed in his license not to do so.
text: In an antitrust suit instituted by a licensee against his licensor, we have repeatedly held that the licensee may attack the validity of the patent under which he was licensed, because of the public interest in free competition, even though the licensee has agreed in his license not to do so.