HABIB BANK LTD. v. HABIB BANK A.G. ZURICH – 1980/82 HABIB BANK LTD. v. HABIB BANK A.G. ZURICH – Passing Off – Risk of confusion – Use of family name – Banks incorporated by well-known banking family – Banks in Pakistan and Switzerland closely associated with substantial business – Nationalisation of banks in Pakistan – Whether Swiss bank passing off in carrying on independent trading – Whether goodwill and reputation exclusive – Whether nationalised banks' claim barred by acquiescence, laches, and estoppel