The members of
11 South Square are sought after by high-profile clients to represent them in intellectual property litigation before all levels of the UK court system, in addition to European fora. The set boasts a large volume of silks in its ranks, including
Iain Purvis KC, who handles cases surrounding both patents and trade marks. Of recent note, Purvis KC acted for Tesco in a trade mark infringement case brought by Lidl surrounding the introduction of a new advertising campaign to promote Tesco Clubcard, at issue was the use of a yellow circle on a blue background.
Michael Silverleaf KC is strong in cases that require knowledge of technical areas, including monoclonal antibodies, medical devices, and drug delivery systems, as well as wind power generation, automotive catalysts, and shipbuilding. With a scientific background,
Mark Vanhegan KC has appeared before the Supreme Court in cases concerning intricate technology, and
Piers Acland KC is well known for his pharmaceutical patent work, which is exemplified by his representation of Moderna in a patent trial against Biontech and Pfizer surrounding the Covid-19 vaccine.
Anna Edwards-Stuart KC made silk in the 2024 round, and
Edward Cronan joined the set from Hogarth Chambers, bringing particular expertise in the patent litigation space.