Margaret Arnott

Partner at Mathys & Squire LLP
Ranked in United Kingdom: England
WTR Research

The WTR 1000 focuses exclusively on trademark practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal trademark expertise

Silver - Individuals: prosecution and strategy

Bronze - Individuals: enforcement and litigation

Recommended without hesitation for its “professional, responsive and wide-ranging service”, the “extremely approachable” Mathys & Squire has an unimpeachable record in protecting and enforcing the cornerstone brands of top UK and international companies. It has sustained close relationships with many of these over long periods of time – something it will also seek to do as a value-added partner for the many new clients it has onboarded recently, such as Gymshark. Margaret Arnott and Gary Johnston, co-head the practice. Praised to the rafters, Arnott is a 20-year partner at the firm with “profound knowledge of the trademarking process and the ability to lead negotiations effortlessly”. “She sets a benchmark for the IP legal world that is difficult to beat.” Johnston is a “good strategist and clear thinker who keeps his eye trained on commercial realities”. “He’s hugely knowledgeable, proactive and great fun to work with.” Arnott has a commercial solicitor background and is well placed for contentious combat – an important component of her sophisticated, broad-based trademark practice. Prosecution and anti-counterfeiting sage Johnston has a global sphere of influence: he undertakes challenging tasks for The Cotswolds Distilling Company and has enjoyed protection success in Europe and the United States, with filings pending in China too.

Margaret Arnott's Profile

Margaret Arnott is a highly regarded trademark attorney and solicitor. She joined Mathys & Squire LLP in 1998 and has been a partner since 2000. She has over 25 years’ experience and an impressive track record representing a diverse range of clients, including household multinational corporations, in the development, management and worldwide protection of their trademark and design portfolios. Her clients include well-known companies in the automotive, oil and gas, food and beverage, clothing, e-commerce, charity and technology sectors.

Ms Arnott has extensive experience advising on brand name selection and clearance, trademark prosecution and a full range of contentious work, including oppositions, cancellation actions and Uniform Domain Name Sispute Resolution Policy proceedings.

Ms Arnott’s background as a commercial solicitor, as well as her higher courts litigation certificate in intellectual property, is invaluable in her conduct and settlement of contentious IP proceedings. She was a member of the team that secured one of the first pan-European trademark injunctions for infringement of an EU trademark and has successfully protected the interests of her clients in proceedings in the Intellectual Property Enterprise Court and the High Court. She also routinely advises on the settlement of contentious proceedings and drafts any necessary agreements to ensure that her clients can overcome conflicts in a manner which is both commercially and legally acceptable.

Ms Arnott is an active member of INTA and the Anti-Counterfeiting Group. She is a member of the Chartered Institute of Trademark Attorneys and is also recommended by The Legal 500 (2021 edition) and ranked as a Trademark Star in the latest edition of Managing Intellectual Property’s IP Stars directory.

Firm Profile

Mathys & Squire LLP is one of Europe’s premier IP firms, with over 100 years’ experience in the protection and commercialisation of IP rights, leading the field with insight, innovation and quality.

About Mathys & Squire

Mathys & Squire uses a combination of expertise and creativity to become part of its clients’ success stories. The firm’s depth and range of technical knowledge, alongside its deep commercial understanding of brand protection, trademark and design portfolio management, ensure that clients’ wider business objectives are understood and positive results are consistently achieved.

With over 70 qualified attorneys across UK offices in London, Birmingham, Brighton, Cambridge, Manchester, Oxford and York, and European offices in Luxembourg, Munich and Paris, as well as a dedicated team based in China, Mathys & Squire is a truly global firm, working to ensure that clients have the necessary protection throughout the world.

Client focus

Mathys & Squire works with a range of organisations – from start-ups and small and medium enterprises to public sector bodies, universities and global entities – covering the full spectrum of industries and work with some of the most established brands in each sector. The firm’s specialist trademark attorneys protect the rights of global brand owners in a diverse range of sectors, including automotive, consumer goods, sports, food and drink, clothing, pharmaceuticals and technology. Mathys & Squire’s team of experts share their clients’ ambition, passion and entrepreneurial spirit, going above and beyond what is expected when it comes to service delivery.

Trademark services

Mathys & Squire recognises that the effective management of trademark and design portfolios encompasses the delivery of a wide range of services, including:

  • trademark portfolio management;
  • trademark availability searches (including brand availability analysis for new products and services);
  • the filing, prosecution and renewal of trademark applications (in the United Kingdom, the European Union and overseas);
  • monitoring and watching services;
  • oppositions, cancellation actions and contentious IP proceedings (including litigation);
  • anti-counterfeiting and online brand protection and enforcement services;
  • the preparation and recordal of trademark assignment documentation; and
  • due diligence and IP audit evaluations.

Trademark team

The Mathys & Squire trademark team is headed up by partners Margaret Arnott and Gary Johnson, with rising stars Rebecca Tew, and Harry Rowe who are all UK chartered and European trademark attorneys working with a range of clients across a broad range of sectors.

The firm’s trademark attorneys are heavily involved in clients’ commercial strategies, focusing on brand management and licensing, as well as protection. Mathys & Squire boasts a complete and unparalleled service unlike many other IP firms, offering clients services relating to the protection and defence of intellectual property, as well as its commercialisation and valuation. The critical importance of intellectual property as a business asset is recognised across the firm’s service areas and sector groups.


Being ISO 9001 accredited further demonstrates Mathys & Squire’s commitment to providing the highest level of client service, delivering consistent performance and continuously looking at ways to improve the offering to clients. Further, the ISO 14001 accreditation focuses on environmental management issues and recognises the commitment to improving the firm’s environmental performance by using resources efficiently, reducing waste and reducing its carbon footprint.

Mathys & Squire is passionate about creating and delivering innovative, high-quality, client-focused services and building close and longstanding relationships with clients in order to establish defensive and offensive IP portfolios that generate commercial value. The firm’s experts are proactive when working with clients and valued for their integrity, honesty and collegiate approach.

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