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Judicial Profiles

The Hon John Mansfield AM

Judge, Federal Court of Australia (Adelaide) (1996-2016)
President, Australian Competition Tribunal (2011-2016)

Qualifications | Work History | Other positions held | Academic positions | Relevant judgments | Relevant speeches and publications


Relevant qualifications and honours

  • LLB (Hons) University of Adelaide
  • Admitted to practice in 1969
  • Appointed Queen’s Counsel for South Australia in 1985
  • Appointed Queen’s Counsel for the Northern Territory in 1988
  • Awarded Member of the Order of Australia (AM) 8 June 2009 For service to the law and to the judiciary, to a range of professional associations, and to the arts community of South Australia


Relevant work history

  • 1996 - 2016: Judge, Federal Court of Australia (Adelaide) (2 September 1996 - 24 August 2016)
  • 2011 - July 2016: President, Australian Competition Tribunal


Other positions held

  • Australian Competition Tribunal - President (23 May 2011 - 2016)
  • Australian Competition Tribunal - Acting President
  • Australian Competition Tribunal - Deputy President
  • Supreme Court of the Australian Capital Territory - Additional Judge
  • Supreme Court of the Northern Territory - Additional Judge
  • President of the South Australian Law Society 1988-1989
  • President of the Law Council of Australia from 1993-1994
  • Chairman of the Legal Aid Committee for the Law Council of Australia from 1986-1994
  • Chairman of the SA Legal Services Commission 1995-1996
  • Chairman of the Third Party Premiums Committee (South Australia) from 1986-1996
  • Counsel assisting the Commissioner, and later Commissioner of the Royal Commission into the State Bank of South Australia from 1991-1993
  • Chair of the Graduate Diploma and Legal Practice Education Committee (since 2004).
  • Chair of the Art Gallery of South Australia Foundation (since 2003)


Relevant judgments

Seven Network Ltd v News Limited [2009] FCAFC 166 (the C7 case)
Anti-competitive agreements; misuse of market power
Justice Mansfield dissented on the issue of 'purpose', preferring the views of the trial judge, Justice Sackville, to those of the majority.

ACCC v Baxter Healthcare Pty Ltd [2008] FCAFC 141 (11 August 2008) (AustLII)
Exclusive dealing; misuse of market power
Justice Mansfield and Justice Gyles each (separately) found that Baxter contravened ss 46 and 47 of the TPA

ACCC v Rural Press [2001] FCA 1065
Misuse of market power, Exclusionary provisions
Justice Mansfield presided as the Trial Judge in this case, which was ultimately appealed to the High Court.

More forthcoming


Relevant speeches and publications