He argued in the Supreme Court of India on a "pro bono" basis in many Public Interest Litigations (PILs), some involving high-level corruption, as an "Amicus Curiae".
Other founder members were senior advocates including Fali Sam Nariman, Shanti Bhushan, Rajinder Sachar and Colin Gonsalves.
[6] In February 2005, Prashant Bhushan and Anil B. Divan were counsel for the Centre for Public Interest Litigation (CPIL) seeking quashing of the CVC Act, 2003, which requires the CBI to obtain permission from the Union government before registering corruption cases against senior bureaucrats.
Bhushan argued that the act violated the basic rights of citizens and was counter to the rule of law.
His daughter-in-law, Madhavi Goradia Divan is an author of books on law and also a practising lawyer.