Suing one another under man-made laws

Reference: Fataawa wa Shaykh ‘Abdur-Razzaaq ‘Afeefee – Volume 1, Page 166, Fatwa No.48

Question: What is the ruling regarding suing one another before a judge who rules according to man-made laws?

Response: As much as is possible, you should not sue one another under them (man-made laws). However, if one is unable to extract his right[s] other than via them (man-made laws), then there is no harm upon him [to do so].

- from London, UK. He is a graduate of the Islaamic University of Madeenah, having graduated from the Institute of Arabic Language, and later the Faculty of Sharee'ah in 2004.