Assertion: patent | /r/HasProperty | granted since october
Facets:
value: to file an application
type: PURPOSE
value: in canada
type: LOCATION
Source sentences:
text: In Canada, since October 1, 1989, generally speaking, patents are granted to the first inventor to file an application for an invention (that is, Canada has a "first-to-file" system), which may result in a "race to the patent office" by inventors of competing technologies