Four Mathys & Squire Partners, Anna Gregson, Dani Kramer, Sean Leach, and Martin MacLean, have been recognised in the 2025 edition of IAM Strategy 300 Global Leaders.
The guide serves as a platform to showcase the leading experts in the field of intellectual property (IP). Earning a place in the prestigious IAM Strategy 300 Global Leaders reflects a professional’s exceptional strategic expertise in IP, as recognised by peers from a range of sectors.

IAM says: Anna Gregson is a dedicated and client-orientated expert who is deeply committed to both intellectual property and people. She obtains win-win solutions to any patent issue and achieves them about with great integrity and skill.

IAM says: Dani Kramer consistently delivers exceptional IP work, whether its drafting ironclad files or strategically managing portfolios. As a true leader, he inspires and uplifts those around him, managing his team with excellence.

IAM says: Sean Leach stands out for his enthusiasm for technology and foresight regarding the use of IP for business growth. He is a strategic planner with a thorough grasp of the competitive IP landscape and current innovation trends.

IAM says: Recognised in the market as “an exceptional patent attorney who shares his expertise with ease, Martin MacLean is highly adept at addressing the most urgent IP issues and he effortlessly manages intricate technical aspects in tricky business plans.
We would like to express our thanks to every client, contact, and peer who dedicated their time to engage in the research process.