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Erlanger v New Sombrero Phosphate Co

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Erlanger v New Sombrero Phosphate Co (1878) is a famous English case about how people who promote and run a company must treat investors fairly, and what happens if they mislead or withhold important information.

What happened
- Frédéric Erlanger, a Paris banker, bought the Sombrero island lease for £55,000 to mine phosphate.
- He then created the New Sombrero Phosphate Company and, eight days after the company’s formation, sold the lease to the company for £110,000 through a nominee.
- The board was controlled by Erlanger and included a few directors who were not truly independent.
- Erlanger promoted the company to the public, getting many investors to buy shares.
- After eight months, investors learned that the price paid by the company was double what Erlanger had paid him for the lease. The company sued to rescind the contract or to recover profits.

The legal questions
- Do promoters (the people who start the company) owe a fiduciary duty to the investors?
- Can the contract be rescinded (canceled) for misrepresentation or non-disclosure?
- Does “laches” (unreasonable delay) prevent the company from getting relief?

What the court decided
- The House of Lords held that promoters do stand in a fiduciary relationship to the company’s investors. They have a duty to be honest and disclose important information.
- The court agreed, by a majority (with one judge, Lord Cairns, in dissent), that the company could rescind the contract and be put back as if the deal had not happened. Laches did not automatically bar relief.
- On the issue of “restitutio in integrum” (putting the parties back to exactly how they were before the contract), Lord Blackburn explained that, in some cases, restoration is impossible if the property has been used or damaged. However, in this case, the court found that any loss could be made up with compensation, so there was no true impossibility of counter-restitution.

Key points from the decision
- Promoters who set up a company and deal with property they are promoting must use their power fairly and consider the company’s interests.
- If they overvalue property or hide important facts to push the sale to the company, that conduct can be grounds for rescinding the deal.
- Delay alone does not automatically bar relief, though the court will weigh how long the delay lasted and what changed during that time (and whether investors acted with reasonable diligence).

Why it matters
- Erlanger v New Sombrero Phosphate Co established an important early rule about the duty of promoters to act in the company’s best interests and to disclose important information.
- It clarified when a company can rescind a deal because of misrepresentation or failure to disclose, and how delays are treated in deciding whether relief should be granted.


This page was last edited on 3 February 2026, at 03:07 (CET).