Assertion: patent | /r/HasAspect | effect
Facets:
value: in the united states
type: LOCATION
value: on the patents
type: OTHER
value: in most european states
type: LOCATION
Source sentences:
text: Patents having effect in most European states may be obtained either nationally, via national patent offices, or via a centralised patent prosecution process at the European Patent Office (EPO).
text: Later, the patent can only be challenged in national courts and a ruling in one country has no effect on the patents for the same invention in other countries.
text: Patents filed with the USPTO only have effect in the United States.