Case summaries

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Emotional Perception AI Limited v Comptroller General of Patents, Designs and Trade Marks [2026] UKSC 3

Emotional Perception AI sought to patent a system using an artificial neural network to recommend media files based on emotional similarity. The Supreme Court held that while ANNs are 'programs for computers', the invention was not excluded from patentability as it involved hardware. The Court rejected the Aerotel approach, adopting...

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Dairy UK Ltd v Oatly AB [2026] UKSC 4

Oatly registered the trade mark 'POST MILK GENERATION' for oat-based food and drink products. Dairy UK challenged its validity under the Trade Marks Act 1994, arguing it violated EU Regulation 1308/2013 prohibiting dairy terms for non-dairy products. The Supreme Court dismissed Oatly's appeal, holding the mark constituted a prohibited 'designation'...

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Halil & Anor v Davidson [1980] UKHL 13

Turkish Cypriot appellants whose limited leave to remain had expired attempted to appeal against refusal of further leave. The House of Lords held the adjudicator had no jurisdiction as no valid leave existed to vary. Appeal dismissed following Suthendran. Facts The appellants were Turkish Cypriots who arrived in the UK...

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East African Asians v United Kingdom [1973] ECHR 2

East African Asians holding UK citizenship were refused entry to Britain under the Commonwealth Immigrants Act 1968. The European Commission of Human Rights found the legislation discriminated on racial grounds, constituting degrading treatment under Article 3 ECHR, establishing that racial discrimination in immigration control can violate human dignity. Facts The...

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Dougoz v Greece (Application 40907/98) [2001] ECHR 213

A Syrian national detained in Greece pending expulsion was held for seventeen months in severely overcrowded police detention facilities with inadequate sleeping and sanitary facilities. The European Court of Human Rights found violations of Article 3 (degrading treatment) and Article 5 (unlawful detention and lack of judicial review). Facts The...

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De Freitas v Permanent Secretary of Ministry of Agriculture; Fisheries; Lands and Housing [1998] UKPC 30

A civil servant in Antigua participated in peaceful demonstrations criticising government corruption. He was interdicted under legislation prohibiting civil servants from publishing political opinions. The Privy Council held the statutory restriction unconstitutional as it was too broad and not reasonably justifiable in a democratic society, establishing a proportionality test. Facts...

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Council of Civil Service Unions v Minister for the Civil Service [1984] UKHL 9

Civil servants at GCHQ were banned from joining national trade unions without prior consultation, citing national security. The unions claimed legitimate expectation of consultation. The House of Lords held that while prerogative powers are subject to judicial review, national security concerns justified the government's failure to consult. Facts Government Communications...