1Malaysia Development Berhad (1MDB) has filed an application for permission to issue and serve the writ of summons filed by the company against six parties, including two overseas banking firms.

The six parties are banking companies Coutts & Co Ltd and JP Morgan (Switzerland) Ltd; two companies incorporated in Saudi Arabia namely Petrosaudi International Limited and Petrosaudi Holdings (Cayman) Limited, as well as two individuals, namely Tarik Isam Ahmed Obaid of Saudi Arabia and British citizen Patrick Andrew Marc Mahony.

All the parties are the second to seventh defendants in...