Patent Law Treaty
The Patent Law Treaty (PLT) is a patent law multilateral treaty concluded on 1 June 2000 in Geneva, Switzerland, by 53 States and the European Patent Organisation (an intergovernmental organization). It aims at harmonizing formal procedures such as the requirements to obtain a filing date for a patent application, the form and content of a patent application, and representation.

As of May 2021, the PLT had 43 contracting states, while 59 states and the European Patent Organisation have signed the treaty.
Q253623
patent
Concept
Q1413574
multilateral
Concept
Q131569
treaty
Concept
Q71
Geneva
LOC
Q39
Switzerland
LOC
Q685547
European Patent Organisation
ORG
Q245065
intergovernmental organization
Concept
Q3022019
patent application
Concept
Q685547
European Patent Organisation
ORG
Q844919
Patent Law Treaty
MEDIA
2000-06-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1 June 2000
DATE
2021-05-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
May 2021
DATE
+53^^http://www.w3.org/2001/XMLSchema#decimal
53
NUMBER
+43^^http://www.w3.org/2001/XMLSchema#decimal
43
NUMBER
+59^^http://www.w3.org/2001/XMLSchema#decimal
59
NUMBER
instance of
signatory
signatory
country