Prosecution
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Intellectual property infringement

We serve regional, national and international clients. We offer a full range of intellectual property and trademark prosecution services, from cease and desist letters to intellectual property infringement actions, domain name arbitration and cross-border litigation.

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

Legal action

We can intervene when a client requires a strong defense, when his rights are threatened. We represent our clients on matters such as copyright actions, intellectual property rights enforcement, trademark opposition procedures, domain name infringement and contractual breaches.

An expert lawyer and registered Solicitor or Barrister will handle your case and assist or represent you for all steps of a judicial procedure or negotiation process. Our lawyers can assist and represent you nationwide in the UK, France, Canada, Germany, Ireland, Italy, and the USA.

We can lodge an application with HMRC for the detention by Customs, generally for a period of ten working days, of any goods suspected of infringing an intellectual property right that are detected at the EU external border. Contact us if you want to take measures to seize fake goods at the EU or UK border.

Legal action will depend of the particular circumstances of the case. We can:

  • investigate and collect proof of counterfeiting;
  • conduct multi-jurisdiction and international procedures;
  • send cease and desist letters;
  • seek injunctive proceedings;
  • seek interim injunctions (action for a temporary court order);
  • handle litigation actions;
  • handle domain names arbitration actions.

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What they're saying

Brigitte, France

"Top qualities: Personalized service, Expert, Good Value"

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!"

Christopher, London

"Severine Mas is an excellent lawyer, with first-rate communication skills and a real dedication to providing superior quality service to her clients. I would recommend her unfailingly."

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 7084 6307

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23 Austin Friars

London EC2N 2QP, United Kingdom