• Intellectual Property
  • IT Law
  • Contract law
  • Fraud
  • Business Law


Leigh Ellis is a subject matter specialist in intellectual property law and IT law.

As a business intellectual property lawyer and IT lawyer based in London, he has advised on commercial transactions around the globe on legal affairs in the UK, on legal issues such as:

  • IT contracts
  • intellectual property licensing
  • hardcore cloud/SaaS contracts for cloud based software suppliers to national companies
  • data licensing contracts
  • software development business agreements 
  • setting up terms and conditions of business
  • establishing GDPR compliance programmes, and dodging bullets for non-compliance
  • structuring IP rights to maximise return on sales of businesses - or more to the point: preparing business for sale so that purchasers have fewer excuses to discount the business's value after due diligence takes place. 

His dispute resolution experiences includes acting to address the kind of behaviour by competitors that can ruin your business, such as:

  • infringement of intellectual property rights
  • breaches of contract
  • addressing repudiatory breaches of contracts
  • interference with trade reputation
  • urgent interim injunctions to preserve confidential information and trade secrets
  • patent infringement claims, and unlawful threats of infringement
  • trade mark infringement claims, and of course,
  • copyright infringement claims
  • worldwide freezing orders to prevent movement of money and assets outside the jurisdiction of English Courts


  • Hall Ellis Solicitors

    - Current
    Hall Ellis Solicitors

Education History

  • Bachelor of Computer Science

    Griffith University

    Undergraduate Degree in Computer Science: Software Engineering, Articifical Intelligence and Information Technology

  • Masters of Intellectual Property

    University of Technology, Sydney

    Majoring in computer software rights and protection made available by IPR, in:

    • copyright law
    • trade mark law
    • patents
    • design rights
    • confidential information and trade secrets.


1. Solicitor of Senior Courts of England and Wales 

2. Higher Rights of Audience before Senior Courts of Justice, ie High Court and upwards - Court of Appeal and the Supreme Court  (ie same rights of appearance before Courts as barristers)

Clubs and Associations

1. Law Society of England and Wales

2. Society for Computers and Law

3. British Computer Society

Interests and Hobbies

Email Leigh

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