Roberto Calamita



Roberto joined Dehns in 1985 and was made a Partner in 1996. He is a UK Chartered Trade Mark Attorney and is also a UK Chartered and European Patent Attorney. Roberto is a graduate of the University of Oxford where he obtained an Honours Degree in Natural Sciences (Chemistry).


Type of clients and client work

Roberto has more than 30 years patent and trade mark experience and has worked for a wide range of clients, from start-ups and SMEs through to blue chip global brands.

In relation to trade mark clients, Roberto has specialised in devising and developing trade mark strategies for companies in the early stage of expansion. This has included creating and implementing global protection strategies based on the likely development of a business with a 10-15yr projection, and supporting organisations with overseas expansion to protect their brand both in and out of court.

Roberto recently won a significant trade mark battle on behalf of a food sector client at the General Court of the CJEU, highlighting his ability to advise on strategically important cases for major global brands. Click here for further information on this case.



With substantial trade mark experience, especially in contentious matters, Roberto has a diverse client base covering a range of commercial areas, including food and beverage, chemistry, pharmaceuticals, engineering, lighting, clothing and fashion, publishing and media, telecommunications and financial services.

In relation to patent matters, Roberto prosecutes patent applications in all areas of chemistry, and with particular emphasis on materials, polymers and alloys. Roberto has significant experience in relation to patent prosecution and Opposition proceedings before the European Patent Office.


Qualifications and Memberships

  • European Patent Attorney, 1991
  • UK Chartered Trade Mark Attorney, 1991
  • UK Chartered Patent Attorney, 1992
  • Certificate in Intellectual Property Law (Distinction) from Queen Mary College, University of London, 1987
  • Chartered Institute of Trade Mark Attorneys
  • Fellow of the Chartered Institute of Patent Attorneys
  • European Community Trademark Association
  • International Trademark Association


Higher Education

MA, Oxford University, Natural Sciences (Chemistry), 1985



Roberto is regularly listed in the main legal and IP directories for his work. Most recently, he was mentioned in the 2021 World Trademark Review’s annual “World’s Leading Trademark Professionals” publication: “Roberto Calamita captains the group with poise, while serving as a vital partner to one of the world’s best-known food sector companies, whose lucrative UK and global growth strategy he has helped to guide for nearly 20 years“. Roberto has also been included in Managing IP – IP Stars 2017 and in the 2017 edition of The Legal 500 where he was described as: “an expert on spin-offs and SMEs who regularly advises Pret A Manger on its ongoing international expansion.

Most recently, Roberto was named as a “Key lawyer” in the 2022 edition of the Legal 500, one of the leading legal directories in the UK. He was also named as a ”Key Figure” in the Leaders League 2021 rankings of leading UK trademark prosecution firms.

Contact details

St Bride’s House
10 Salisbury Square
United Kingdom

+44 (0)20 7632 7200


chemical, trade marks, dispute resolution