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AA Thornton

Work 020 7405 4044
Fax 020 7405 3580
London, Munich

Ian Gill

Work 020 7440 6841
AA Thornton

Work Department

Trade marks, patents, designs and copyright.


Ian Gill has been a partner since 2001.  With over 20 years in the field, Ian specialises in contentious and non-contentious issues relating to trade marks and design. Ian’s technical expertise spans the full spectrum of intellectual property law, including trade marks, registered designs and patents. The bulk of his work relates to trade mark prosecution and enforcement, including related issues such as intellectual property portfolio management and domain name dispute resolution proceedings.

Ian’s clients span a diverse range of industries, but his particular focus is in the food and beverage and fashion sectors.

Ian also leads the firm’s systems group, who are responsible for IT hardware and software, including the specialist IP software systems that support the smooth and efficient running of the firm.


Joined A.A. Thornton & Co. 1994; partner 2001. Professional qualifications include: registered trade mark attorney, European trade mark attorney, chartered patent attorney and European patent attorney.


Chartered Patent Attorneys (CIPA); Chartered Institute of Trade Mark Attorneys (CITMA); International Trade Mark Association (INTA); International federation of Intellectual Property Attorneys (FICPI); Pharmaceutical Trade Mark Group (PTMG).


Bristol University (B Eng Aeronautical Engineering); Queen Mary and Westfield College, London University (MSc IP law).

London: TMT (technology, media and telecoms)

PATMA: Trade mark attorneys

Within: PATMA: Trade mark attorneys

A.A. Thornton & Co.'s caseload regularly includes high-stakes headline-grabbing cases. The team combines strength in trade mark portfolio management with proven prowess in the prosecution of trade mark applications, especially in complex cases involving particular international or legal challenges. The retail sector is a particularly busy area for the group, but the client roster reveals the practice's wide-ranging sector expertise. Ian Gill directs the practice. Sarah Darby made partner. Vanessa Lawrence became a consulting attorney for the firm.

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