(1) Subject to the other provisions contained in, or referred to by, this Chapter, a perpetual injunction may be granted to prevent the breach of an obligation existing in favour of the applicant, whether expressly or by implication.
(2) When such an obligation arises from contract, the court shall be guided by the rules and provisions contained in Chapter II.
(3) When the defendant invades or threatens to invade the plaintiff's right to, or enjoyment of, property, the court may grant a perpetual injunction in the following cases, namely:
Explanation-For the purpose of this section a trade-mark is property.
(a) A lets certain land to B, and B contracts not to dig sand or gravel thereout. A may sue for an injunction to restrain B from digging in violation of his contract.
(b) A trustee, threatens a breach of trust. His co-trustees, if any, should, and the beneficial owners may, sue for an injunction to prevent the breach.
(c) The directors of a public company are about to pay a dividend out of capital or borrowed money. Any of the shareholders may sue for an injunction to restrain them.
(d) The directors of a fire and life insurance company are about to engage in marine insurances. Any of the shareholders may sue for an injunction to restrain them.
(e) A, an executor, through misconduct or insolvency, is bringing the property of the deceased into danger. The court may grant an injunction to restrain him from getting in the assets.
(f) A, a trustee for B, is about to make an imprudent sale of a small part of the trust-property. B may sue for an injunction to restrain the sale, even though compensation in money would have afforded him adequate relief.
(g) A makes a settlement (not founded on marriage or other valuable consideration) of an estate on B and his children. A then contracts to sell the estate to C. B or any of his children may sue for an injunction to restrain the sale.
(h) In the course of A's employment as a solicitor, certain papers belonging to his client, B, come into his possession. A threatens to make these papers public, or to communicate their contents to a stranger. B may sue for an injunction to restrain A from so doing.
(i) A is B's medical adviser. He demands money of B which B declines to pay. A then threatens to make known the effect of B's communications to him as a patient. This is contrary to A's duty, and B may sue for an injunction to restrain him from so doing.
(j) A, the owner of two adjoining houses, lets one to B and afterwards lets the other to C. A and C begin to make such alterations in the house let to C as will prevent the comfortable enjoyment of the house let to B. B may sue for an injunction to restrain them from so doing.
(k) A lets certain arable lands to B for purposes of husbandry, but without any express contract as to the mode of cultivation. Contrary to the mode of cultivation customary in the district, B threatens to sow the lands with seed injurious thereto and requiring many years to eradicate. A may sue for an injunction to restrain B from sowing the lands in contravention of his implied contract to use them in a husbandlike manner.
(l) A, B, and C are partners, the partnership being determinable at will. A threatens to do an act tending to the destruction of the partnership-property. B and C may, without seeking a dissolution of the partnership, sue for an injunction to restrain A from doing the act.
(m) A, the owner of certain houses in Kelang, becomes insolvent. B buys them from the Official Receiver of A's estate and enters into possession. A persists in trespassing on and damaging the houses, and B is thereby compelled, at considerable expense, to employ men to protect the possession. B may sue for an injunction to restrain further acts of trespass.
(n) A, in an administration-suit to which a creditor, B, is not a party, obtains a decree for the administration of C's assets, B proceeds against C's estate for his debt. A may sue for an injunction to restrain B.
(o) A and B are in possession of contiguous lands and of the mines underneath them. A works his mine so as to extend under B's mine and threatens to remove certain pillars which help to support B's mine. B may sue for an injunction to restrain him from so doing.
(p) A rings bells or makes some other unnecessary noise so near a house as to interfere materially and unreasonably with the physical comfort of the occupier, B. B may sue for an injunction restraining A from making the noise.
(q) A pollutes the air with smoke so as to interfere materially with the physical comfort of B and C, who carry on business in a neighbouring house. B and C may sue for an injunction to restrain the pollution.
(r) A infringes B's patent. If the court is satisfied that the patent is valid and has been infringed, B may obtain an injunction to restrain the infringement.
(s) A pirates B's copyright. B may obtain an injunction to restrain the piracy, unless the work of which copyright is claimed is libellous or obscene.
(t) A improperly uses the trade mark of B. B may obtain an injunction to restrain the user, provided that B's use of the trade mark is honest.
(u) A, a tradesman, holds out B as his partner against the wish and without the authority of B. B may sue for an injunction to restrain A from so doing.
(v) A, a very eminent man, writes letters on family topics to B. After the death of A and B, C, who is B's residuary legatee, proposes to make money by publishing A's letters. D, who is A's executor, has a property in the letters, and may sue for an injunction to restrain C from publishing them.
(w) A carries on a manufactory and B is his assistant. In the course of his business, A imparts to B a secret process of value, B afterwards demands money of A, threatening, in case of refusal, to disclose the process to C, a rival manufacturer. A may sue for an injunction to restrain B from disclosing the process.