Patent_application_number,Applicant_name,Year_of_application,Patent_system
EP2855699A1,EXXONMOBIL,2015,EPO
EP2909304A1,EXXONMOBIL,2015,EPO
US8962299B2,EXXONMOBIL,2015,USPTO
US8975061B2,EXXONMOBIL,2015,USPTO