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About us

MAS LEGAL is an intellectual property law firm with an in depth experience in trademark, copyright, software protection and litigation. We specialise in worldwide trademark registration, brand reputation management, prosecution and protection. We work exclusively in the intellectual property domain. We have extensive links to multilingual attorneys all over the world.

Our office is located in London, England. Many international companies trust us for their European operations, including those in the USA, Canada, China, Hong Kong, and Malaysia. Our clients are entrepreneurs, start-ups, SMEs and larger companies.

Our London office is dedicated to advising UK and international clients in the field of trademarks, brand monitoring and intellectual property.

We have correspondent lawyers in Marseille, France. Our French correspondents specialise in company law, business law and litigation. We can represent and assist you in litigation procedures accross the French territory.

Marseille is the second largest city in France. Its location places the city in the heart of a wide range of industries:

  • perfumes and cosmetics of Grasse, and Manosque;
  • fine wines including Chateauneuf du Pape, Bandol, Coteaux d'Aix en Provence and Côtes du Rhône;
  • microchip technologies, smart cards, and related IT industries;
  • fashion, design and creation industries;
  • port activity, and petroleum industries;
  • aerospace.

London office:
180 Picadilly
London W1J 9HF
Tel +44 (0)20 3126 4882

Marseille correspondence address:

8, Rue Sainte
13001 Marseille
Tel +33 (0) 9 75 18 18 58

Explore our French trademark services


http://register-your-trademark.co.uk is published under the responsibility of Severine MAS, Solicitor. The Practice is registered with the Law Society of England and Wales under the number 468289, and the French Bar of Marseille - Intra Community VAT No GB144873491.

Online services

In addition to traditional legal services, we offer trademark registration packages and monitoring services available to purchase online. Our online packages come with the same high level of service.

MAS LEGAL was founded by Severine Mas, a dual-qualified Solicitor and Avocat (England and France). Severine Mas specialises in Intellectual property, trademarks, software and innovation protection. She is an author in the field of e-commerce and IP law, and a regular speaker at conferences and intellectual property events.

She has been handling complex cross-border IP litigation for over ten years and is an expert in trademark and brand protection strategy.

What they're saying

Denise, Paris

"Mas Legal advised me on the creation of a new brand in Europe. I felt that they understood my concerns immediately, worked efficiently, and were reassuring and reactive. And, oh yes, the brand was registered!"

Francesco, Italy

“I recommended Severine Mas as an Intellectual Property lawyer. She is highly specialised and experienced in the area of information technology law, software, trademarks, and patents. I am impressed with her degree of expertise. She is a highly professional, very efficient, multilingual attorney.”

MAS LEGAL is a law firm located in London, UK. Practice regulated by the Solicitors Regulation Authority of England and Wales, registration number 468289. Admission to practice in France. Intra Community VAT No GB 144 873491.

MAS LEGAL is part of an independent lawyer network with Offices in Canada, France, Germany, Ireland, Italy and the USA. MAS LEGAL provides trademark services covering Europe, Canada, USA, China, Japan, and over 76 other countries.

London +44 (0)20 3126 4882

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180 Piccadilly

London W1J 9HF, United Kingdom