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Jupiter v. Nigeria: Reading a Lithium Dispute as Data

  • Writer: Aişe Gül Akkoyun
    Aişe Gül Akkoyun
  • Jun 12
  • 5 min read

Updated: Aug 3

What one mining claim reveals about the changing profile of extractive arbitration.

Background

Jupiter Lithium Limited, together with Bristol Mining, National Mining, Basin Mining and Range Mining, has brought ICSID proceedings against the Federal Republic of Nigeria concerning a hard-rock lithium deposit in central Nigeria. The claimants filed a notice of intent on 1 July 2025 and a Request for Arbitration on 1 December 2025. The case is registered as ICSID Case No. ARB/26/27 and is brought under the Nigeria-United Kingdom BIT (1990).

The claimant side describes a project it had spent several years exploring and delineating, and alleges that federal authorities revoked a substantial portion of its mining leases and failed to grant further leases within the statutory timelines set by Nigeria's mining legislation, which requires the responsible Minister to issue or refuse a mining title within 45 days. Jupiter says it waited more than two years. It further alleges that in late 2025 its personnel were removed from the site and a competing operator was escorted onto the tenements.

Nigeria rejects the characterisation entirely. The Ministry of Solid Minerals and the Mining Cadastral Office have stated publicly that no legal or contractual relationship exists with a company by that name, on the basis that the Nigerian Minerals and Mining Act 2007 does not permit mining licences to be granted to foreign companies. The government has framed the controversy as one of licence compliance and lawful regulatory enforcement, and has publicly disputed the investor-side narrative of seizure.

Those are the parties' positions, not findings. No tribunal has assessed any of them.

Why this case is worth reading as a data point

Set aside the merits, which will take years. The more immediately useful thing about this dispute is where it sits in a distribution.

UNCTAD's most recent count puts the cumulative total of known treaty-based ISDS cases at 1,401 through the end of 2024. Of those, at least 139, roughly 10 per cent, relate to critical minerals in some category. Within that group, 51 concern critical minerals specifically required for the energy transition: aluminium, copper, cobalt, graphite, lithium, nickel, rare earths, titanium, zinc and others on UNCTAD's classification.

Fifty-one cases across thirty-seven years is not a large number. Which is exactly what makes the annual figure striking. Six of those 51 arose in 2024 alone. One year accounts for close to twelve per cent of everything recorded in the category since 1987.

The trend line supports the reading rather than resting on a single year. UNCTAD's period counts for critical-minerals cases generally run: 2 (1987-1999), 5 (2000-2004), 11 (2005-2009), 34 (2010-2014), 41 (2015-2019), 46 (2020-2024). The 2024 cohort included copper claims against Panama and Armenia, a lithium claim against Mexico, titanium in Mozambique and zinc in India.

Extractive disputes are not new; the minerals are

It would be easy to over-read this as evidence that ISDS is being transformed by the energy transition. It is not. Extractive and energy-supply disputes have always been a large share of the caseload, roughly a third of all cases between 1987 and 2023, rising to more than half of the 58 cases filed in 2024.

The change is compositional rather than structural. Investment arbitration is not moving away from natural resources. It is following the minerals that now matter to industrial policy. Where the disputes of the 1990s and 2000s clustered around oil, gas and gold, the newer filings increasingly concern the inputs to battery and grid infrastructure.

That shift carries a specific legal consequence. Fossil-fuel disputes typically arise when a State restricts or phases out an existing activity. Critical-minerals disputes tend to arise at the other end of the project lifecycle, at licensing, permitting and title, where the State is deciding who gets to develop a resource in the first place, often under industrial policy pressure to retain domestic value.

Reading Jupiter alongside its neighbours

The case sits naturally beside several other recent lithium proceedings: Bacanora Lithium, Sonora Lithium and Ganfeng v. Mexico (ICSID Case No. ARB/24/21), arising from cancelled concessions in the Sonora project, and AVZ International, Dathcom Mining and Green Lithium v. Democratic Republic of the Congo, concerning the Manono deposit.

Different States, different treaties, different legal frameworks. But a recognisable shared shape: a foreign-held lithium project, a contested title or licence, a State asserting regulatory prerogative over a strategic resource, and a competing operator, frequently with different national backing, arriving on the scene.

For empirical research, that recurring shape is the interesting object. It suggests a set of codable variables that cut across the individual disputes:

  • Trigger point: revocation, non-renewal, administrative delay, or physical dispossession?

  • Statutory timelines: does the domestic mining code impose a deadline on the regulator, and is the alleged breach one of substance or of process?

  • Foreign ownership restrictions: is the State's defence jurisdictional in character, that the claimant could never lawfully have held title, rather than a merits defence?

  • Successor operator: is a replacement operator installed, and does its nationality correlate with the treaty invoked by the displaced investor?

Nigeria's position in this case is a good illustration of why the third variable matters. An argument that domestic law prohibited the claimant from holding the asset at all is not really an argument about fair and equitable treatment. It is an argument about whether there was a protected investment. Disputes of this kind may increasingly turn on the interaction between domestic ownership rules and treaty definitions of investment, a question that is doctrinally familiar but empirically under-measured.

The methodological caution

One limitation should be stated plainly. UNCTAD's statistics do not cover cases based exclusively on investment contracts or national investment laws, nor cases where a party has signalled an intention to arbitrate without commencing proceedings. Confidential cases surface later; annual counts initially reported between 2015 and 2022 have since been revised upward by roughly twenty per cent.

So the critical-minerals numbers are almost certainly a floor. Whether the visible increase reflects more disputes or better visibility is not a question the aggregate data can answer on its own, which is a reason to build case-level datasets rather than rely on headline counts.

The open question

The doctrinal question this raises is old, and appears here in a new strategic setting: when does host-State control over natural resources remain lawful regulation, and when does it become a treaty breach?

The newer question is whether the answer should be sensitive to the mineral. States face genuine industrial-policy pressure to retain control over resources deemed critical to their own transition. Investors face real expropriation risk in exactly those sectors. Nothing in the standard treaty toolkit distinguishes a lithium licence from a gold licence, and it is not obvious whether that neutrality is a feature of the system or a gap in it.

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