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PCT Yearly Review - WIPO

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Section b<br />

performance of the pct system<br />

B.1.3 Languages of filing<br />

Figure B.1.3 presents the number of <strong>PCT</strong> applications<br />

filed for the top 10 languages of filing. 24<br />

The languages of filing with the largest increases in use<br />

in 2012 compared to the previous year were Japanese<br />

(+4,656 applications), English (+4,039), Chinese (+1,972)<br />

and Korean (+1,224).<br />

English remained by far the most frequently used language<br />

of filing in <strong>PCT</strong> applications filed during 2012,<br />

accounting for half of them (50.1%).<br />

In 2012, <strong>PCT</strong> applications were filed in 25 languages.<br />

The top 10 languages of filing represented 99.3% of total<br />

filings. The remaining languages were mainly European<br />

languages such as Finnish, Dutch and Swedish.<br />

Figure B.1.3: <strong>PCT</strong> applications for top 10 languages of filing, 2012<br />

50.1 20.9 9.0 8.9 5.0 3.0 0.9 0.8 0.5 0.2<br />

97,050<br />

Share (%)<br />

Applications in 2012<br />

40,488<br />

17,403 17,278<br />

9,623<br />

5,836<br />

1,759 1,578 917 463<br />

English<br />

Japanese<br />

German<br />

Chinese<br />

Korean<br />

French<br />

Italian<br />

Spanish<br />

Russian<br />

Portuguese<br />

Language<br />

Note: 2012 data are <strong>WIPO</strong> estimates.<br />

Source: <strong>WIPO</strong> Statistics Database, March 2013<br />

24 A <strong>PCT</strong> application may be filed in any language<br />

accepted by the relevant RO, but must be published<br />

in one of the 10 official publication languages. Among<br />

the top 10 languages of filing presented in B.1.3,<br />

all are languages of publication except Italian.<br />

57

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