We are now closed for the Christmas and New Year period, returning on Monday 5th January 2026. Orders placed during this time will be processed upon our return on 5th January.

Terrell on the Law of Patents has been the leading authority on UK patent law since 1884. Whether you’re applying for a new patent or facing a potential case of infringement, Terrell offers unrivalled insight and is regularly cited in court. Protect your intellectual property with expert commentary on the core principles of practice and procedure as well as specialist areas such as FRAND, licences and SPCs.
The First Supplement brings the 20th edition, published in June 2024, up to date with the latest case law.and commentary on the two most significant areas of legal development: FRAND (see Lenovo v InterDigital and Panasonic v Xiaomi) and AI (see Emotional Perception AI v Controller).