R (Wilkinson) v Broadmoor Hospital [2001] EWCA Civ 1545

The decision to impose treatment without consent upon a protesting patient is a potential invasion of his rights under Article 3 or Article 8, and he is entitled to a proper hearing, on the merits, of whether the statutory grounds for imposing this treatment upon him against his will are made out. (...)

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BAILII

Detailed summary on 1 COR website