Assertion: patent | /r/HasProperty | filed in country
Facets:
Source sentences:
text: Patents registered in one country may be valid in other countries if filed in a country which is party to a reciprocal treaty.
text: In some countries, such as China, customers for US technology may insist on a patent being filed in that country before they will license the technology.
text: translations and national fees, all payable after the patent is lodged in each country ii.