John Calvert Griffiths SC, KC, CMG was the Attorney General of Hong Kong from 1979 to 1983. In his capacity as Attorney General, he served on the Hong Kong Executive Council and Legislative Council. He also served as Chairman of the Hong Kong Law Reform Commission.
He was called to the bar of the Middle Temple in 1956. He was appointed a Recorder in 1972, a position he held until 1990.
He was made a King's Counsel in 1972.
He was a member of the Executive Committee of the Inns of Court and the Bar from 1973 to 1977 and a member of the Senate between 1984 and 1986.
In 2012 John became a door tenant of chambers . He continues to advise companies (private and listed) and has given expert opinions on Hong Kong law for use overseas.
In 1984 and 1985 he headed an inquiry in England into the membership of theHouse of Fraser.
In Hong Kong, he defended Chim Pui-Chung in a 131-day-long trial in the late 1990s.
He acted for Nancy Kissel when she was charged with murder of her husband.
Griffiths also acted in the following cases:
- Representing a leading firm of developers against the Housing Authority, in relation to the Private Sector Participation Scheme.
- Representing New World Development Co. Ltd to apply for leave for Judicial Review about arguments regarding the proposed listing on the Hong Kong Stock Exchange.
- advising a leading property firm against the Government about work conditions regarding Times Square.
- advising the Oriental Daily News in respect of a libel claim.
- representing a famous Cantonese singer in a claim involving tax.