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Mathys & Squire LLP

Work 020 7830 0000
Fax 020 7830 0001

Chris Hamer

Work 020 7830 0000
Mathys & Squire LLP

Work Department

Intellectual property


Chris Hamer is one of the world’s leading chemistry attorneys and widely considered as an expert in the field of ionic liquids and related technologies, although his expertise extends to numerous chemistry related technology areas, in particular food chemistry, natural food supplements, biochemicals, polymers, materials sciences, absorbent articles, catalytic processes and petrochemical technologies.                  


Chris has many years’ experience of drafting, prosecution, infringement and validity, commercialisation of university IP, and global IP strategy advice, including freedom-to-operate, licensing advice, entitlement disputes and competitor monitoring. He is also immensely experienced in multi-party Opposition and Appeal procedures before the European Patent Office and represents companies such as BP, Petroliam Nasional Berhad, AarhusKarlshamn, Queen’s University Belfast, QUILL, Indena and Ineos. He is also experienced in UK High Court proceedings having worked on matters including QinetiQ v GEODynamics, Tech 21 v Design Blue Limited and DynaEnergetics GmbH v GEODynamics.

Chris is highly regarded for his pragmatic commercial expertise, which has helped his clients to grow from small SMEs to valuations of in excess of £300 million.  He is also actively involved in advising on international strategy for Petronas’s highly acclaimed mercury removal processes. As a result of his expertise he is a non-executive member of a number of company boards.


Chartered Patent Attorney; European Patent Attorney; and European Design Attorney.

Chris is also a member of the American Intellectual Property Law Association and the Licensing Executives Society and is often invited to lecture at universities and conferences.


Chris has an Honours Degree in Chemistry from Bristol University. Before joining Mathys & Squire in 2004, he spent two years working for a German firm of patent attorneys in Munich.

London: TMT (technology, media and telecoms)

PATMA: Patent attorneys

Within: PATMA: Patent attorneys

Mathys & Squire LLP's life sciences and chemistry and IT, telecoms and engineering departments are among the most active and prestigious patent drafting and filing practices in the market. While the practice counts a high number of international corporations as its clients, it can also look back on a strong track record of prosecution work for start-ups and was appointed as a provider of intellectual property rights services for the North Eastern Universities Purchasing Consortium in 2018. Christopher Hamer and Martin MacLean direct the life sciences and chemistry group while Jane Clark and Ilya Kazi direct the IT and electronics department. Paul Cozens is the head of the engineering practice and the Cambridge-based Alan MacDougall leads the telecoms group. Hazel Ford joined as of counsel from Finnegan, Henderson, Farabow, Garrett & Dunner LLP and subsequently made partner. Of counsel Victoria Strachan, who joined from Wynne-Jones IP, has headed the Oxford office since it opened in late 2018, at the same time as the new Midlands office. Of counsel Alison Haile joined from Beresford Crump. Unless otherwise stated all practitioners are based in London. The firm also has offices in Brighton, Cambridge, Manchester and York, as well as three offices in continental Europe. Harvey Adams joined Carpmaels & Ransford LLP. Peter Garrett retired.

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