Assertion: patent's protection | /r/HasProperty | effected for nationaland european patents
Facets:
value: by switzerland
type: OTHER
value: by liechtenstein
type: LOCATION
value: in 1980
type: TEMPORAL
Source sentences:
text: Such unitary protection was effected (both for "national" and European patents) by Switzerland and Liechtenstein in 1980 with the Treaty between the Swiss Confederation and the Principality of Liechtenstein on Patent Protection of 1978.