Parens patriae, the inherent jurisdiction of the Courts to protect those that cannot protect themselves, was recently reviewed in Garner v Garner 2015 BCSC 109.
The case involved access visitations for squabbling children to visit their mother who was not a “Patient “under the Patients Property act, thus counsel relied inter alia upon the inherent jurisdiction of the court as parens patriae
72) In Temoin v. Martin, 2012 BCCA 250 (B.C. C.A.), Justice Neilson reviewed the extensive analysis of the history and characteristics of the parens patriae jurisdiction by the Supreme Court of Canada in Eve, Re,  2 S.C.R. 388 (S.C.C.) [Eve]. In Eve, Justice LaForest made the following comments about the court’s parens patriae jurisdiction:
73 The parens patriae jurisdiction is, as I have said, founded on necessity, namely the need to act for the protection of those who cannot care for themselves. The courts have frequently stated that it is to be exercised in the “best interest” of the protected person, or again, for his or her “benefit” or “welfare”.
74 The situations under which it can be exercised are legion; the jurisdiction cannot be defined in that sense. As Lord MacDermott put it in J. v. C.,  A.C. 668, at p. 703, the authorities are not consistent and there are many twists and turns, but they have inexorably “moved towards a broader discretion, under the impact of changing social conditions and the weight of opinion ….” In other words, the categories under which the jurisdiction can be exercised are never closed. Thus I agree with Latey J. in Re X, supra, at p. 699, that the jurisdiction is of a very broad nature, and that it can be invoked in such matters as custody, protection of property, health problems, religious upbringing and protection against harmful associations. This list, as he notes, is not exhaustive.
75 What is more, as the passage from Chambers cited by Latey J. underlines, a court may act not only on the ground that injury to person or property has occurred, but also on the ground that such injury is apprehended. I might add that the jurisdiction is a carefully guarded one. The courts will not readily assume that it has been removed by legislation where a necessity arises to protect a person who cannot protect himself.
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77 Though the scope or sphere of operation of the parens patriae jurisdiction may be unlimited, it by no means follows that the discretion to exercise it is unlimited. It must be exercised in accordance with its underlying principle. Simply put, the discretion is to do what is necessary for the protection of the person for whose benefit it is exercised; see the passages from the reasons of Sir John Pennycuick in Re X, at pp. 706-07, and Heilbron J. in Re D, at p. 332, cited earlier. The discretion is to be exercised for the benefit of that person, not for that of others. It is a discretion, too, that must at all times be exercised with great caution, a caution that must be redoubled as the seriousness of the matter increases. This is particularly so in cases where a court might be tempted to act because failure to do so would risk imposing an obviously heavy burden on some other individual.
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