apply for, file
In 1843 Bain filed a patent for his fax machine.

get, obtain, take out
protect sth by
Genetically engineered plants can be protected by patent.

award (sb), grant (sb), issue, license
refuse
A patent will be refused if details of the item have already been released to the public.

have, hold
infringe, violate
enforce

expire
cover, protect

application
protection
law
a leading authority on patent law

office
the US Patent Office

patent for
In 1995 he was granted a patent for his invention.

patent on
Edison took out a patent on the light bulb.

patent pending (= waiting to be issued)
The item is Patent Pending No. 11092001.

Patent is used with these nouns as the object:
invention