Debra Mortimer
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Debra Sue Mortimer is an Australian judge who has been the Chief Justice of the Federal Court of Australia since 7 April 2023. She was born in New Zealand but has practised law in Australia. She has been a judge of the
Federal Court of Australia The Federal Court of Australia is an Australian superior court which has jurisdiction to deal with most civil disputes governed by federal law (with the exception of family law matters), along with some summary (less serious) and indictable (mo ...
since 2013, having previously been a Senior Counsel practising at the Victorian Bar in migration
law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior, with its precise definition a matter of longstanding debate. It has been variously described as a science and as the ar ...
,
environmental law Environmental laws are laws that protect the environment. The term "environmental law" encompasses treaties, statutes, regulations, conventions, and policies designed to protect the natural environment and manage the impact of human activitie ...
and
anti-discrimination law Anti-discrimination law or non-discrimination law refers to legislation designed to prevent discrimination against particular groups of people; these groups are often referred to as protected groups or protected classes. Anti-discrimination laws ...
.


Early life and education

Debra Mortimer was raised outside of
Auckland Auckland ( ; ) is a large metropolitan city in the North Island of New Zealand. It has an urban population of about It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and ...
, New Zealand. Her father worked as a
bookbinder Bookbinding is the process of building a book, usually in codex format, from an ordered stack of paper sheets with one's hands and tools, or in modern publishing, by a series of automated processes. Firstly, one binds the sheets of papers alon ...
in Auckland. Mortimer went to school at Kelston Girls' High School in Auckland, and she spent her final year abroad in Sri Lanka. She studied arts and
jurisprudence Jurisprudence, also known as theory of law or philosophy of law, is the examination in a general perspective of what law is and what it ought to be. It investigates issues such as the definition of law; legal validity; legal norms and values ...
at the
University of Auckland The University of Auckland (; Māori: ''Waipapa Taumata Rau'') is a public research university based in Auckland, New Zealand. The institution was established in 1883 as a constituent college of the University of New Zealand. Initially loc ...
before transferring to
Monash University Monash University () is a public university, public research university based in Melbourne, Victoria (state), Victoria, Australia. Named after World War I general Sir John Monash, it was founded in 1958 and is the second oldest university in the ...
, where she graduated with a Bachelor of Jurisprudence in 1985 and a Bachelor of Laws with 1st Class Honours in 1987. Debra Mortimer was an Editor of the
Monash University Law Review The ''Monash University Law Review'' is an academic journal An academic journal (or scholarly journal or scientific journal) is a periodical publication in which Scholarly method, scholarship relating to a particular academic discipline is pub ...
in 1985 and 1986.


Career

Mortimer did her articles at Goldberg and Window Solicitors before becoming an associate to Sir Gerard Brennan, then a justice of the
High Court of Australia The High Court of Australia is the apex court of the Australian legal system. It exercises original and appellate jurisdiction on matters specified in the Constitution of Australia and supplementary legislation. The High Court was establi ...
in 1988 and 1989. Mortimer became a
barrister A barrister is a type of lawyer in common law jurisdiction (area), jurisdictions. Barristers mostly specialise in courtroom advocacy and litigation. Their tasks include arguing cases in courts and tribunals, drafting legal pleadings, jurisprud ...
in 1989 and was appointed as a Senior Counsel in 2003. It was unusual for women to have a speaking role as advocates before the High Court; however, Mortimer was an exception, regularly appearing in the High Court from 1998 until her elevation as a judge. Her appearances included for the successful applicants in '' Plaintiff M61/2010E v Commonwealth'', and ''
Plaintiff M70/2011 v Minister for Immigration and Citizenship ''Plaintiff M70'' is a 2011 decision of the High Court of Australia. The lawsuit concerned an injunction sought by multiple Afghan asylum seekers against immigration minister Chris Bowen. The injunction was to prevent Bowen from deporting the ...
''. Mortimer also appeared in environmental cases, including representing
Bob Brown Robert James Brown (born 27 December 1944) is an Australian former politician, medical doctor and environmentalist. He was a Australian Senate, senator and the parliamentary leader of the Australian Greens. Brown was elected to the Australian ...
, an
Australian Greens The Australian Greens, commonly referred to simply as the Greens, are a Left-wing politics, left-wing green party, green Australian List of political parties in Australia, political party. As of 2025, the Greens are the third largest politica ...
Senator, in a case against
Forestry Tasmania Sustainable Timber Tasmania, formerly Forestry Tasmania, is a government business enterprise owned by the Government of Tasmania, Australia. It is responsible for the management of public production forest in Tasmania, which is about 800,000 h ...
, concerning the
Wielangta forest The Wielangta forest is in south-east Tasmania, Australia. It is notable for its role in a 2006 court case that called into question the effectiveness of Australia's cooperative Commonwealth-State forest management regime known as Regional Forest ...
. As well as an active practice as a barrister, Mortimer was a lecturer in the
Monash University Faculty of Law The Monash University Faculty of Law is the law school of Monash University. Founded in 1964, it is based in Melbourne, Victoria and has campuses in Malaysia and Italy. It is consistently ranked as one of the top law schools in Australia and gl ...
from 1991 to 1994 and at the University of Melbourne Law School from 2011. Since her elevation to the Federal Court, Mortimer has been the trial judge in a number of high-profile cases, including '' Wotton v Queensland (No 5)'', a case concerning the events following the 2004 death in custody of
Palm Island, Queensland Palm Island is a Suburbs and localities (Australia), locality consisting of an island group of 16 islands, split between the Shire of Hinchinbrook and the Aboriginal Shire of Palm Island, in Queensland, Australia. The locality coincides with th ...
resident, Cameron Doomadgee. Mortimer found that members of the Queensland Police Service had contravened the ''
Racial Discrimination Act Racial Discrimination Act may refer to: * Racial Discrimination Act 1975 – an act passed by the Australian Parliament making racial discrimination unlawful * Racial Discrimination Act 1944 – an act passed by the Parliament of Ontario pr ...
'', including the way they had investigated the death in custody, that an emergency declaration and the deployment of the
Special Emergency Response Team The Special Emergency Response Team (SERT) () was an elite police tactical unit of the Royal Canadian Mounted Police (RCMP). The SERT was formed in 1986 to provide a tactical capability to respond to major terrorist incidents throughout Canada. ...
was part of an excessive and disproportionate policing response. Mortimer was the trial judge in a case brought by
Consumer Affairs Victoria Consumer Affairs Victoria (CAV) is a government agency that protects and promotes the interests of consumers and is based in the Australian state of Victoria. It is responsible for reviewing and advising the Victorian Government on consumer legi ...
against wellness blogger
Belle Gibson Annabelle Natalie Gibson (born 8 October 1991) is an Australian health fraudster, former influencer and pseudoscience advocate. She is the author of ''The Whole Pantry'' mobile app and its later companion cookbook. Throughout her career as a w ...
and her companies for misleading or deceptive conduct and unconscionable conduct contrary to the
Australian Consumer Law The Australian Consumer Law (ACL), beinto the ''Competition and Consumer Act 2010'', is uniform legislation for consumer protection, applying as a law of the Commonwealth of Australia and is incorporated into the law of each of Australia's state ...
. Gibson was required to pay $410,000 in penalties. Mortimer has also sat as a member of the Full Court of the Federal Court hearing appeals, and was a member of the bench that was critical of the approach of Judge Alexander Street in hearing applications by asylum seekers. In 2018 Mortimer presided over an historic judgement resulting in an
Indigenous land use agreement Native title is the set of rights, recognised by Australian law, held by Aboriginal and Torres Strait Islander groups or individuals to land that derive from their maintenance of their traditional laws and customs. These Aboriginal title right ...
, after a claim brought by
Kaurna The Kaurna people (, ; also Coorna, Kaura, Gaurna and other variations) are a group of Aboriginal people whose traditional lands include the Adelaide Plains of South Australia. They were known as the Adelaide tribe by the early settlers. Kau ...
elders in
Adelaide Adelaide ( , ; ) is the list of Australian capital cities, capital and most populous city of South Australia, as well as the list of cities in Australia by population, fifth-most populous city in Australia. The name "Adelaide" may refer to ei ...
18 years earlier. This was the first claim for a first land use agreement to be agreed to in any Australian capital city. On 25 November 2021, Justice Mortimer presided over a sitting at the Federal Court in
Cairns Cairns (; ) is a city in the Cairns Region, Queensland, Australia, on the tropical north east coast of Far North Queensland. In the , Cairns had a population of 153,181 people. The city was founded in 1876 and named after William Cairns, Sir W ...
that awarded of land on the eastern side of
Cape York Peninsula The Cape York Peninsula is a peninsula located in Far North Queensland, Australia. It is the largest wilderness in northern Australia.Mittermeier, R.E. et al. (2002). Wilderness: Earth's last wild places. Mexico City: Agrupación Sierra Madre, ...
to the Kuuku Ya'u and Uutaalnganu peoples, in a
native title Aboriginal title is a common law doctrine that the land rights of indigenous peoples to customary tenure persist after the assumption of sovereignty to that land by another colonising state. The requirements of proof for the recognition of ab ...
claim that was lodged seven years prior. On 31 March 2023 it was announced that she will be elevated to be Chief Justice of the Court from 7 April 2023.


See also

*
List of judges of the Federal Court of Australia Judges who have served on the Federal Court of Australia , are appointed in accordance with Section 72 of the Constitution of Australia, section 72 of the Constitution, which has, since the Court's inception in 1976, been for a term expiring at ...


References

{{DEFAULTSORT:Mortimer, Deborah Chief justices of the Federal Court of Australia Judges of the Federal Court of Australia Living people Australian women judges Year of birth missing (living people) Monash Law School alumni Australian Senior Counsel