This case is concerned with the “Existing legal duty is not good consideration” in the consideration chapter of contract law
Facts of Hanson v Royden
The claimant was a seamen, And he had done job for of the second mate for the defendant. So the defendant promoted him to Second mate. This case is used for the crticism of stilk v myrick as here the claimant did more of what he was obiged to do under the contract and it was considered a good consideration.
But in stilk v myrick the claimant did more than he was obliged to do but the courts said that there was no consideration
William v Roffey