Patent_application_number,Applicant_name,Year_of_application,Patent_system
WO2002063307A2,PFIZER,2002,WIPO
WO2004083251A2,PFIZER,2004,WIPO
WO2006134482A1,PFIZER,2006,WIPO
WO2007047520A1,PFIZER,2007,WIPO
WO2007084531A2,PFIZER,2007,WIPO
WO2009019561A2,PFIZER,2009,WIPO