pct patent countries


Which country filed the most PCT applications in 2021?

    With 69,540 PCT applications, applicants residing in China filed the most applications in 2021. They were followed by applicants from the United States of America (U.S.) and Japan (figure 2). Combined with applicants from Germany and the Republic of Korea, these top five countries accounted for 78.3% of all PCT applications filed in 2021.

How many international patent applications are there in 2021?

    An estimated 277,500 international patent applications (PCT applications) were filed under WIPO’s Patent Cooperation Treaty (PCT) in 2021 (figure 1). Despite the COVID-19 pandemic disruption affecting economies worldwide in 2021, there was a slight increase of 0.9% in the number of PCT applications filed compared to 2020.

How many countries are members of the PCT?

    Source: WIPO Statistics Database, March 2022. In 2021, 153 states were members of the PCT and applicants from 129 countries filed PCT applications at 83 receiving offices (ROs). Despite such a broad geographical spread, most filing activity was concentrated in a small number of economies.

What is the latest available year for PCT national phase entry data?

    Note: The latest available year for PCT national phase entry data is 2020. An estimated 277,500 international patent applications (PCT applications) were filed under WIPO’s Patent Cooperation Treaty (PCT) in 2021 (figure 1).
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