Litigation Radar: Home REIT shareholder claim, Thomas Pink v Victoria’s Secret & OpenAI’s appeal

The latest litigation developments include a shareholder claim over alleged misrepresentations by Home REIT, an expedited High Court trial in the Thomas Pink and Victoria’s Secret “PINK” dispute and OpenAI’s appeal after the UKIPO invalidated its “GPT” and “ChatGPT” marks.

Published fortnightly, our Litigation Radar explores the latest court proceedings and claims shaping the litigation landscape. This edition covers investor litigation and high-profile intellectual property disputes.

Law firms featured 

Harcus Parker Ltd • Bristows LLP • Beck Greener LLP • Morgan, Lewis & Bockius UK LLP

FL-2026-000027: Abbott and parties listed in the schedule v Alvarium Home Reit Advisors Limited and others

Harcus Parker has issued High Court proceedings on behalf of nearly 800 current and former shareholders in Home REIT Plc, alleging they were given a misleading picture of the company. The claims are for statutory securities liability under the Financial Services and Markets Act 2000, deceit and negligent misrepresentation. The defendants include Home REIT, its former directors, its former investment adviser and others..

IL-2026-000130: Thomas Pink Shirtmaker LLC v Victoria’s Secret Stores Brand Management LLC

Thomas Pink has asked the High Court to restrain Victoria’s Secret from pursuing US proceedings over the “PINK” mark, alleging they breach a 2015 settlement and co-existence agreement. Victoria’s Secret filed its complaint in the Southern District of Ohio on 11 September 2026. Thomas Pink issued its Part 8 claim four days later, seeking an injunction, declarations of breach and damages it says are likely to exceed US$15 million. Victoria’s Secret had also issued its own Part 8 claim (HP-2026-000037) on 11 September, asking the court to construe the agreement. Mr Justice Rajah has ordered the claims to be heard together, with an expedited trial of the declarations and injunction claims to begin by 23 October 2026.

CH-2026-000289: OpenAI OpCo, LLC v ChainGPT LLC

OpenAI has brought an appeal before the Business and Property Appeals court against ChainGPT LLC. This follows a UK Intellectual Property Office decision on 3 September 2026 that invalidated its “GPT” and “ChatGPT” registrations as descriptive. The UKIPO also rejected OpenAI’s opposition to the “ChainGPT” mark.

 

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