Ms. Longster advises clients from a broad range of sectors, including private equity, social media, entertainment, sports, and media, consumer products, travel, financial, information technology, telecoms, and healthcare and life sciences in connection with:

  • Commercial contracts
  • Intellectual property licensing
  • Global data privacy matters (with particular experience advising on European data privacy legislation, including the GDPR
  • E-commerce
  • Diligence of private equity and venture capital transactions.

Ms. Longster trained in the firm’s London office, gaining experience in acquisition and leveraged finance, and corporate M&A and private equity transactions, in addition to the Data & Technology Transactions Practice. Miss Longster also spent time on secondment to The Carlyle Group where she assisted on a range of private equity M&A transactions globally.

In addition to Ms. Longster’s practice experience, she services as a member of Latham & Watkins’ pro bono committee.

Ms. Longster’s experience includes advising:

  • L’Oréal on its IP diligence in respect of its proposed acquisition of Aēsop from Brazilian Natura
  • The consortium led by Todd Boehly and Clearlake Capital in respect of IP and commercial contract diligence on its £4.25 billion acquisition of Chelsea Football Club
  • Whirlpool Corporation on its joint venture with Arçelik A.Ş creating a combined €6 billion revenue business, as part of its global portfolio transformation
  • Meta on its acquisition of Unit 2 Games Limited
  • A number of top-flight private equity and investment firms to acquire technology-rich businesses and companies in respect of IP and commercial contracts diligence, such as long-term IP and data licensing agreements, transitional service agreements, and contractual joint venture
  • A variety of commercial entities in respect of  transitional services agreements
  • Acting for an online luxury fashion marketplace on its partnership with a luxury fashion goods brand to launch e-concessions for multiple brands on its marketplace and licence its platform technology and order fulfilment offering
  • Meta in relation to data privacy matters globally, including in relation to strategic acquisitions
  • A leading consultancy firm on its global privacy impact assessment process to ensure compliance with data privacy laws
  • A digital technology company in relation to its compliance with the GDPR
  • Silver Lake Partners on its substantial minority investment into IVC Evidensia group, the leading European veterinary care provider
  • Easybrain, a leading mobile game developer with a core focus on puzzle and logic games, in its acquisition by Embracer Group
  • Blackstone Infrastructure Partners on the acquisition by a consortium, including Blackstone Infrastructure Partners, of Applegreen plc
  • Farfetch in relation to their acquisition of certain intellectual property from Opening Ceremony, an American multi-brand retailer
  • On a pro bono basis in relation to the protection of intellectual property rights
  • On a pro bono basis in relation to the drafting and negotiation of numerous commercial contracts across a range of sectors

Bar Qualification

  • England and Wales (Solicitor)


  • Postgraduate Diploma in Intellectual Property Law and Practice, University of Oxford, 2023
  • LPC, BPP Law School, 2016
  • MA in Law, BPP Law School, 2016
  • BA (Law), University of Bristol, 2014