was not to practice .the trade of a perfumer in London or "W est-minster, or within six hundred miles from the same respectively, the covenant was void as to the latter clause, but good as to the cities. In this case, the distinction is noticed betwen void and illegal covenants. The stipulation as to the six hundred miles was of the former class. The fact was also adverted to, that the whole covenant, doubtless, formed the consideration for the payment of the £1,500, the amount given; but it was answered, that the rest of the restriction formed a sufficient consideration for the agreement.
This decision followed and supported that of Mullan v. May, (11 Meeson & Welsby, 643.) In this case, the doctrine upon these covenants in restraint of trade, is stated and explained by Baron Parke, as carefully as in any case of which I am aware. The chief test is, whether the contract will be prejudicial or not to the .public interest. It was held in the case, that a covenant that the party should not carry on the business of a surgeon-dentist in London was valid, but the further restriction, “or in any of the towns or places in England or Scotland, where the plaintiffs, or the defendant, on their account, might have been practicing before the expiration of his service,” (as an assistant,) was void.
It cannot be questioned that in many cases much difficulty must attend the application of this doctrine. In the present case, for example, probably the principal consideration of the contract was the agreement to abstain from carrying on the business, or instructing others in it. If this is void, and cannot be enforced, it would be hard to sustain the contract on the ground of the other portions of the consideration.
This view was considered by Baron Parke in Price v. Green, before stated, and the rule of that, and the many other cases seems to be, that if a sufficient valuable consideration remained, after rejecting the illegal one, to support the contract, the court would enforce it.
On both grounds, I am of opinion that the demurrer must be overruled, and judgment be rendered for the plaintiff upon the same, with liberty to answer in twenty days.
Jordan, for the appellants and defendants.
Archer, for the respondent and plaintiff.
We concur in the decision of the Judge at Special Term overruling the demurrer, and giving judgment for the plaintiff. We consider that he is clearly right in the first point stated in his opinion, viz., That the covenant not to use the secret mode of conducting the business, or manufacturing the teeth, was valid in itself. We do not find it necessary to consider the other important question raised by the learned Judge, as to the effect of a union in the same instrument, of a covenant prohibited by law, or against public policy, with another of a perfectly valid character, and express, therefore, no opinion upon it.
Order affirmed with costs.