About: http://webisa.webdatacommons.org/316976816

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	An opposition is a proceeding that allows third parties to challenge the validity of a European patent granted by the European Patent Office.
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov