Assertion: patent | /r/HasProperty | unenforceable
Facets:
Source sentences:
text: The company that would manufacture the generic drug certifies that the patents held on the drug are either unenforceable, are invalid or would not be infringed upon
text: The Supreme Court denied Suppiger Co. compensation for Morton Salt's infringement, holding that Suppiger's patent was unenforceable because it was using it to restrain competition in unpatented salt.