Assertion: european patent | /r/HasProperty | granted by the epo
Facets:
Source sentences:
text: These states then became "extension states" or "validation states", which means that European patents granted by the EPO may be extended to those countries through the payment of additional fees and completion of certain formalities.
text: Once granted by the EPO, a European patent comes into existence effectively as a group of national patents in each of the designated Contracting States.