Mishcon de Reya page structure
Site header
Menu
Main content section
Cassie Hill

Cassandra Hill

Partner

Personal Profile

Cassandra is a Partner in the Intellectual Property Disputes group in the Innovation department. Cassandra heads up Mishcon de Reya's IP Enforcement group.

Cassandra is a tenacious litigator who combines her deep technical expertise with her care for and interest in her clients and their businesses.

She specialises in the protection and enforcement of intellectual property rights (trademarks; passing off; design rights; copyright; confidential information; and patent disputes). She also advises on commercial disputes, dealing  with contractual, licensing, tortious and fraud.

Cassandra has an extensive practice acting in unauthorised parallel imports (grey market products), anti-counterfeiting, and anti-piracy matters. She utilises a blend of civil and criminal enforcement to achieve success for her clients.

Cassandra has significant injunctive experience , particularly in the technology and gaming sectors. She has obtained numerous search and freezing orders, computer imaging orders, third party disclosure orders and online blocking injunctions.

She acts for a wide range of high-profile clients, including those in the IT, pharmaceutical, life sciences, luxury goods, beauty and wellness, and clothing industries where she advises on all aspects of brand protection and enforcement, including providing strategic advice.

Cassandra is described in the Legal 500 client testimonial as "Highly proactive and experienced in trade mark matters" in Legal 500 2026, and " [she] creatively uses all available tools to score favourable results and effectively enforce her patrons' rights" in 2024 World Trademark Review 1000. Further client testimonials include " I was immediately impressed by Cassie, in respect of both her technical ability, diligence as Outside Counsel and approachability" and "our cases generally require a number of strategic and tactical decisions to be made, often under great time pressure… I have found that your judgment on these matters is extremely sure-footed and sensible". Cassandra is ranked as a Next Generation Partner in Legal 500 2026, a recommended individual in 2025 World Trademark Review 1000, and as a Rising Star by IP Stars in 2024.

Cassandra is committed to equity, diversity and inclusion. She sits on Mishcon's Disability Committee, is a member of IP Inclusive, Women in IP (in which she is part of the Career Guidance focus group) and sits on the committee of IP Ability.

She is also a member of INTA (in which she is a Parallel Imports Committee Member), London Solicitors Litigation Association (LSLA) and the Fraud Women's Network.

Key Experience

  • Acting for a film company regarding the right to use the likeness of the deceased actor, Peter Cushing, in the Star Wars film Rogue One
  • Acting for worldwide gaming company to obtain blocking injunctions to prevent circumvention of the company's technological protection measures.
  • Acting for a multi-national technology company to combat its unauthorised parallel imports network.
  • Acting for large pharmaceutical companies in relation to counterfeit medicines.
  • Acting for an international subscription company in relation to a patent dispute regarding streaming technology
  • Acting for a global personal healthcare, beauty and fitness company in relation to a breach of an exclusive distribution agreement.
  • Acting for an investor company in respect of fraudulent use of its brand.
  • Acting for an online financial publication providing an IP audit and advice on IP infringement.
  • Acting for an independent fabric design house in relation to protection of their copyright and designs.
  • Acting for a spin out company in relation to the licensing of its intellectual property rights.
  • Acting for a global bank in relation to its brand launch.
  • Acting for a technology company in relation to a fraud relating to their global distribution network.
  • Acting for a global IT company in relation to commercial and licensing IT disputes.
  • Advising in relation to confidential information and patent dispute regarding chemistry behind drug detector tests for beverages.
  • Acting for numerous fashion brands in relation to the protection and enforcement of their trade mark and design right portfolios and online presence.
  • Advising on the recovery of domain names through both WIPO and Nominet and removing company names which infringe trade marks.
  • Advising numerous clients on Customs measures and Customs detentions and working with Trading Standards and Law Enforcement (including PIPCU).
  • Obtaining and executing search orders, freezing orders and third party disclosure orders in relation to trade mark and copyright infringement.

Career History

Partner, Mishcon de Reya LLP
Legal Director, Mishcon de Reya LLP
Managing Associate, Mishcon de Reya LLP
Associate, Mishcon de Reya LLP
Solicitor, Mishcon de Reya
Trainee, Mishcon de Reya
Diploma in Intellectual Property Law and Practice, Oxford University
LPC, College of Law
Law LLB, University of Leeds

How can we help you?
Help

How can we help you?

Subscribe: I'd like to keep in touch

If your enquiry is urgent please call +44 20 3321 7000

I'm a client

I'm looking for advice

Something else