Assertion: patent | /r/HasSubevent | a patent war
Facets:
value: in 1999
type: TEMPORAL
value: between barnes
type: OTHER
value: between noble
type: TRANSITIVE-OBJECT
value: between amazon.com
type: TRANSITIVE-OBJECT
Source sentences:
text: In 1999, a patent for "one-click ordering technology" led to a patent war between Amazon.com and Barnes & Noble.