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Tessa Gregory's Profile Picture
Tessa Gregory is a stand-out public lawyer who brings tenacity, intelligence and a wealth of experience to her cases. – Legal 500 2020
The ‘extraordinary’ Tessa Gregory ‘instils others with the same drive and discipline
that she brings to her cases’.  – Legal 500 2017
Tessa is an experienced litigator who specialises in international and domestic human rights law cases. Prior to joining Leigh Day, Tessa was a solicitor at Public Interest Lawyers (PIL) where she worked on a number of leading cases including the landmark decisions of the European Court of Human Rights in Al Jedda v UK and Al Skeini v UK which relate to British army abuse in Iraq. At PIL Tessa was responsible for a complex, high-profile and demanding caseload. In 2011 Tessa was shortlisted for the Peter Duffy Young Human Rights Lawyer of the Year award; in 2013 she was named The Times' Lawyer of the Week; and in 2014 she featured in The Lawyer’s annual Hot 100 list.  Significant cases in which she has acted include:
Secretary of State for the Home Department v Al Jedda UKSC 2013 62
Long running litigation that successfully challenged the Home Secretary’s decision to deprive Mr Al Jedda of his British citizenship. It was the first deprivation of citizenship case to be considered by the Supreme Court who unanimously held that the Home Secretary had acted unlawfully on the basis that the decision had rendered Mr Al Jedda stateless.
Secretary of State for the Department of Work and Pensions v Reilly & Wilson UKSC 2013 64
A judicial review challenging the regulations under which the Government introduced the majority of its flagship “work-for-your-benefits” schemes. The case resulted in the Court of Appeal quashing the regulations and led the Government to introduce emergency retrospective legislation which is the subject of fresh proceedings. The Government subsequently appealed to the Supreme Court, who unanimously dismissed their appeal in July 2013.
Ekaterina Zatuliveter v Secretary of State for the Home Department SC103/2010
Successful appeal against a deportation order in the only counter-espionage case heard in the Special Immigration Appeals Commission. Ms Zatuliveter, a parliamentary researcher for a Liberal Democrat MP, was accused of being an agent in the Russian Intelligence Services. Following a two-week hearing the panel, which included the ex-director of MI5, found in Ms Zatuliveter’s favour and allowed her appeal.
Roseline Akhalu v Secretary of State for the Home Department [2013] UKUT 400
Litigation which succeeded in overturning the Home Secretary’s decision to deport the appellant, a Nigerian kidney transplant patient who it was accepted would die if she was removed to Nigeria. The Upper Tribunal upheld the First Tier Tribunal’s decision that any removal to Nigeria would breach the appellant’s right to a private and family life protected by Article 8 ECHR. It was the first of so called “health cases” to succeed under Article 8.
Shah Zada v Ministry of Defence
Private law compensation claim brought on behalf of a 13 year-old Afghan boy who was stabbed in the back by a British soldier. Settlement successfully negotiated
Since joining Leigh Day in April 2014, Tessa has been working on:
  • A claim investigating the activities of a multi-national oil corporation in the Democratic Republic of Congo;
  • A claim by 142 villagers in Sierra Leone who allege that African Minerals Limited is liable for egregious human rights abuses by its employees and police in the region of the Tonkolili mine;
  • Numerous claims relating to British army abuse in Afghanistan;
  • Song Mao (and others) v (1) Tate & Lyle Sugar Industries; and (2) T & L Sugars Limited, a commercial court claim brought on behalf of 200 Cambodian villagers. It is alleged that Tate & Lyle are liable to pay compensation after purchasing sugar from sugar cane grown on land that the villagers allege they were illegally and forcibly evicted from by the Cambodian Government. 
  • A claim investigating serious human rights abuses alleged to have been committed in a high security prison in South Africa managed and run by the UK-based security firm G4S.

Tessa graduated from the University of Manchester with a First Class BA Honours degree in Politics and Philosophy. Following three years working abroad in Japan and Cuba she obtained an MA in the Idea of Toleration at the University of York. She converted to law and completed the PGDL and LPC, both with distinction, before qualifying as a solicitor at Bates, Wells & Braithwaite Solicitors in 2008.

Tessa Gregory in the news

Disabled men on universal credit discriminated against, high court rules Guardian 14.6.18
Hen harrier 'brood management' plan faces crowdfunded legal challenge Guardian 16.4.18
London police station closures challenged BBC News 8.1.18
Government loses appeal after refusing to resettle stranded Cyprus refugees Channel 4 News 25.5.17


  • Legal 500 Next Generation Lawyer

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