Patent_application_number,Applicant_name,Year_of_application,Patent_system
WO2002088168A2,ASTRAZENECA AB,2002,WIPO
WO2004061097A2,ASTRAZENECA AB,2004,WIPO
WO2005047318A1,ASTRAZENECA AB,2005,WIPO
WO2021214269A2,ASTRAZENECA AB,2021,WIPO