Martin MacLean

Partner at Mathys & Squire LLP

Martin MacLean has over 20 years of IP experience, with particular expertise in patent portfolio management for corporates and government. He is top ranked in Band 1 of Chambers UK, where sources describe him as a “charming and highly capable lawyer with extensive sector-specific experience” and he is praised for his “great scientific knowledge”. Dr MacLean is also recommended in The Legal 500, where he is praised for being “accessible”, “knowledgeable” and for his “outstanding, can-do attitude”. He has been ranked as a World Leading IP Strategist in the IAM Strategy 300 for the past four years, and recognised in the inaugural IAM Strategy 300 Global Leaders list, with sources commenting that Dr MacLean is “an outstanding technology attorney” and “one of the top guns of the UK life sciences patent scene with superb international connections”.

Dr MacLean has conducted over 100 European Patent Office hearings, with a success rate of approximately 90%. He has a strong biotech background (PhD in microbial engineering from Warwick University), and specialises in technologies such as protein therapeutics, antibodies, vaccines, expression systems, diagnostic assays and ‘green’ agrochemicals.

With extensive high-value (over £10 million) M&A due diligence experience, which he is able to combine with the above core aspects of IP management, Dr MacLean provides valuable advice to his clients that is both informed and balanced.

Dr MacLean’s principal practice areas include drafting and global prosecution, defence and opposition, freedom-to-operate and strategic advice.

Dr MacLean is a co-author of “Intellectual Property Issues for Bacteriophages”, in Bacteriophages, Springer (2020), pp1-19. This article was written in combination with David Harper and addresses the key challenges (and myths) associated with securing patent rights in this tech space.

Professional associations

  • CIPA
  • epi

Firm details

Mathys & Squire LLP
The Shard
32 London Bridge Street
London SE1 9SG
United Kingdom

Contact details

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