What turns a mining licence revocation into a treaty claim?
A mining licence revocation becomes a treaty claim when a protected investor can show consent to arbitrate and a state act it calls unlawful. That act is usually expropriation or a breach of fair and equitable treatment (FET). The consent varies. In 2025, 58% of the 63 new ICSID cases invoked a bilateral investment treaty (BIT). Mining was the largest sector at 24% (ICSID 2025 caseload statistics). The Guinea and Niger disputes below rest on a treaty, an investment law and contracts.
When does a revocation amount to expropriation or an FET breach?
When the state cannot show a lawful, non-discriminatory reason reached through a fair process. Article 13(1) of the Energy Charter Treaty lists four conditions for a lawful expropriation: a public purpose, no discrimination, due process and compensation. None of the cases below uses it, but it is a useful yardstick.
Quiborax v. Bolivia (ICSID Case No. ARB/06/2, decided under the Bolivia-Chile BIT) concerned a revoked mining concession. The tribunal held Revocation Decree 27,589 (June 2004) a direct expropriation. According to IISD's summary, Bolivia had not told the claimants about the audits behind it, and the tribunal found they were targeted as Chilean-owned (IISD summary). On 16 September 2015 it awarded US$48,619,578 against a claim of US$146,848,827.
The state can still win on the licence itself. Cortec v. Kenya (ICSID Case No. ARB/15/29) concerned a licence granted in March 2013 and revoked in August 2013. The tribunal held it void from the outset under Kenyan environmental law and dismissed every claim (Dentons).
What happened in Guinea in 2025?
Guinea repossessed mining rights in bulk in 2025, and several ICSID claims have since been filed. On 15 May 2025 the government announced a decree repossessing 51 licences, saying operations had not started or permits were underused (Reuters via Kitco). On 26 May it cancelled 129 expired exploration permits under the Mining Code (Ecofin on the permits).
Axis v. Guinea (ICSID Case No. ARB/26/3) was registered in mid-January 2026. ICSID lists the 2011 Guinea-United Arab Emirates BIT and Guinea's Investment Code. The company says it seeks US$28.9 billion, its own figure and untested (Ecofin on Axis). Guinea said Axis Minerals Resources was failing to meet its contractual obligations.
Nomad Bauxite v. Guinea (ARB/25/48), registered on 18 November 2025, relies on the 1995 investment law. One dispute settled. Guinea withdrew the Guinea Alumina Corporation (GAC) concession in early August 2025. On 6 May 2026 the government, Emirates Global Aluminium (EGA) and GAC announced a settlement (Ecofin on the settlement). See also our mining disputes page.
What happened in Niger, and what are the claims based on?
Niger's cases rest on contracts. ICSID lists "Contract" as the instrument of consent for Orano v. Niger (ARB/25/8 and ARB/25/9, registered 5 March 2025) and for GoviEx v. Niger (ARB/25/1, registered 2 January 2025). No BIT is listed.
GoviEx says three Council of Ministers decrees withdrew its Madaouéla permit in July 2024 (GoviEx release). Orano's first request, filed on 20 December 2024, concerned the Imouraren licence. The second followed its loss of operational control of SOMAÏR. In late September 2025 the tribunal in ARB/25/8 ordered Niger not to sell or transfer SOMAÏR uranium. Orano says the uranium was withheld in breach of its rights (Orano release). It was a provisional measures order, not a merits ruling.
In August 2026 Atomic Eagle, which absorbed GoviEx, agreed terms with Niger on a new Mining Convention (Miningmx). In our view, a watchlist built on treaty coverage alone would have missed all three cases. The better question for any revocation is whether the investor holds consent to arbitrate in any instrument at all. The wider pattern is resource nationalism.
How long does it take to go from revocation to claim?
In the 2024 and 2025 cases, a filing came between about seven weeks and ten months after the measure. The older cases took about two years or more.
- GoviEx: decrees in July 2024, arbitration announced on 9 December 2024, about five months later.
- Orano: loss of operational control of SOMAÏR on 4 December 2024, second request announced on 21 January 2025, about seven weeks later.
- Axis: revocation announced in mid-May 2025 and, by the company's account, a filing on 25 December 2025. Registration followed about three weeks later, the average ICSID screening time.
- Falcon Energy Materials: licence revoked on 14 May 2025, request lodged by 16 March 2026 (company release), about ten months.
- Older cases: Quiborax took about 20 months from decree to registration, Cortec about 23 and Nachingwea v. Tanzania (ICSID Case No. ARB/20/38) about two years and nine months.
These are only the filed cases. We found no source for how many revocations lead to a claim, and EGA and GAC settled.
How can you spot a licence-revocation dispute before it is filed?
Read the public record before the decree. Guinea's cadastre audit began after September 2021. By 10 July 2025, EGA was saying that Guinea had suspended GAC's bauxite exports in October 2024 and that it was preparing to defend its rights in international tribunals (Mining Technology). The concession was withdrawn in early August 2025 (alCircle). In Niger, the ministry's notice to GoviEx and the decrees came in the same month.
An early warning service for investment treaty disputes tracks these stages: an audit or ministerial statement, the measure itself, then the notice of dispute.
What this means for practice
The client conversation can start at the decree or earlier. In the cases above, an export suspension or an investor's warning came before the request for arbitration. Every allegation here is untested, and none of the Guinea or Niger claims above has reached a merits award. Monitoring tools such as DSPT Finder surface these signals daily so a BD team can act before the notice of intent is served. Sources were checked up to 10 October 2026.
Related reads: resource nationalism in mining and energy disputes and what comes before a notice of intent.
Frequently asked questions
What is a mining licence revocation in investment treaty arbitration?
A state withdraws or cancels an investor's exploration or exploitation rights. It becomes an arbitration matter when the investor can invoke consent to arbitrate, found in a treaty, an investment law or a contract, and alleges expropriation or unfair treatment.
Can a company get compensation if its mining licence is revoked?
Sometimes. Quiborax was awarded US$48,619,578 against a claim of US$146,848,827 (ICSID Case No. ARB/06/2). Cortec lost every claim because its licence was void under Kenyan law. The outcome turns on the licence's legality and the state's process.
Which mining licence revocations have reached ICSID?
As of 10 October 2026, ICSID's database lists Axis v. Guinea (ARB/26/3), Nomad Bauxite v. Guinea (ARB/25/48), Orano v. Niger (ARB/25/8 and ARB/25/9) and GoviEx v. Niger (ARB/25/1). Orano's ARB/25/8 was suspended in February 2026. GoviEx's current status is unconfirmed.
How long after a revocation do investors file a claim?
In the 2024 and 2025 Guinea and Niger cases, a filing came between about seven weeks and ten months after the measure. Quiborax and Cortec took about two years to reach ICSID registration.
How can arbitration lawyers spot mining licence disputes early?
Follow audits, export suspensions, ministry letters and investor statements. Monitoring tools such as DSPT Finder read news, ministry and cadastre portals and company disclosures in 32 languages and surface these signals before a notice of dispute is served.