About: http://webisa.webdatacommons.org/10634673

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	Patent systems have existed continuously in various countries, including the U.S., for at least 200 years.
http://www.w3.org/ns/prov#wasQuotedFrom	techdirt.com