Chernov was admitted to practise and signed the Roll of Counsel as a barrister in 1968, practising mostly in
commercial law and
equity. He was appointed
Queen's Counsel in 1980 and later in a majority of other states. He was Chairman of the
Victorian Bar (1985–86), Vice-President of the
Australian Bar Association (1986–87) and President of the
Law Council of Australia (1990–91). He was Vice President of
LawAsia (1995–97). Chernov was the co-author with
Robert Brooking of
Tenancy Law and Practice: Victoria (1972) and the editor of its second edition (1980). In May 1997, Chernov was appointed to the Trial Division of the
Supreme Court of Victoria, and in October 1998 to the Court of Appeal of that Court. He retired from the bench in February 2008. Chernov was elected the 20th
Chancellor of the
University of Melbourne in January 2009, serving in that office until he resigned to take up the office of
Governor of Victoria. ==Vice-regal office==