Top PCT filing firms revealed
Managing IP lists the patent firms filing the most PCT applications in the 14 biggest markets
The tables listing the top PCT filers published in this article rank firms according to the number of PCT applications that they filed that were due for national stage entry during 2009.
The tables are based on details of PCT applications published on WIPO's website. To compile the tables, PCT applications with a priority date between July 1 2006 and June 30 2007 were extracted. These correspond to applications due to enter the national phase from January 1 to December 31 this year.
Once extracted, these applications were sorted according to the law firm or patent agency that filed the PCT application, based on the "agent name" and "agent address" categories in the PCT form. A manual checking process ensured that all cases filed by each firm were included, even where it used different names or addresses during the period in question.
The firms are listed in order of the...
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