JUNIOR PROFILE
Jaani Riordan

Jaani Riordan

UK Bar 2026

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Ranked in 3 practice areas

About

Provided by 8 New Square

Practice Areas

Junior with technical background in computer science and expertise in all fields of IP, media and information technology. Particular experience in disputes involving the internet, telecoms, cybersecurity and AI. Author of leading textbook on intermediary liability. Instructed in claims for website blocking orders, interim injunctions, Norwich Pharmacal disclosure, and cross-border remedies. Recent cases: IBM v LzLabs [2025] EWHC 532 (software licence); Insulet v Menarini [2024] EWHC 3085 (medical devices); Getty v Stability [2023] EWHC 3090 (Ch) (image generation AI); easyGroup v Nuclei [2023] EWCA Civ 1247 (trade mark appeal); Warner v TuneIn [2021] EWCA Civ 441 (online radio platform copyright); Trappit v GBT Travel [2024] EWHC 3285 (Ch) (software copyright and trade secrets); JJH v Microsoft [2024] CAT 69 (exhaustion of second-hand software); UKHO v Samyung (breach of geospatial data licence); FAPL v Sky [2025] EWHC (live sports streaming); Sky v BT [2025] EWHC (online broadcast piracy); Nintendo v BT [2025] EWHC (Nintendo Switch games console) and UEFA v BT [2025] EWHC (live sports streaming).

Career

Bachelor of Computer Science (1st), Bachelor of Laws (top 1st) (University of Melbourne), Doctorate in Law (University of Oxford, Magdalen College). Lectured in contract, trusts and copyright at Oxford. Called 2012 (Lincoln's Inn). Previously a commercial solicitor, Australia.

Professional Memberships

IPBA; Society of Computers and Law; Chancery Bar Association.

Publications

The Liability of Internet Intermediaries (OUP, 2016); Website Blocking Injunctions (Springer, 2017); Co-author of Laddie, Prescott and Vitoria on the Modern Law of Copyright (5th ed LexisNexis, 2018); Contributor to Oxford Handbook of Online Intermediary Liability (OUP, 2020).

Chambers Review

Provided by Chambers

UK Bar

Media & Entertainment - London (Bar)

Band 1
Band 1

Individual Editorial

Jaani Riordan is a well-regarded barrister with a strong IP and technology litigation practice. He is regularly instructed to advise startup companies on intellectual property protection and confidentiality. He also acted in significant test cases before the Court of Appeal and Supreme Court.

Intellectual Property - London (Bar)

Band 1
Band 1

Individual Editorial

Jaani Riordan is particularly well known for his deep expertise in the law on the liability of internet service providers and other intermediaries, in cases of trade mark and copyright infringement online. He also has notable experience in patent litigation in the telecommunications and pharmaceutical sectors, and has undertaken work in cases of considerable importance in the area of standard-essential patent licensing.

Information Technology - London (Bar)

Band 2
Band 2

Individual Editorial

Jaani Riordan is a well-established junior with substantial experience in contentious IT and telecommunications cases. He focuses his practice on technically complex matters such as online fraud and cybersecurity, software and FRAND patent licensing, and failed IT projects.

Strengths

Provided by Chambers

  • He is very hard-working. I would highlight his originality of thought.

    Media & EntertainmentUK Bar
  • He does leading cases in the area.

    Media & EntertainmentUK Bar
  • Jaani has a big brain and encyclopaedic knowledge. Everybody fights to get him because he's a junior but he's absolutely brilliant.

    Media & EntertainmentUK Bar
  • Jaani Riordan is a really fantastic advocate who is incredibly bright. He is a leading barrister in his area.

    Intellectual PropertyUK Bar
  • His strengths include that he did a joint computing degree, so he is knowledgeable about such things, which has been great. He is bright and hard-working and brings value to cases.

    Intellectual PropertyUK Bar
  • His knowledge of the real complexities of IP law is really outstanding. Jaani is really well known. Everybody fights to get him because he's a junior but he's absolutely brilliant.

    Intellectual PropertyUK Bar

Ranked Barristers at 8 New Square (33)

London (Bar)

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