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The practice at A&O Shearman is well-equipped to advise on the array of patent matters, including portfolio management. Frits Gerritzen helms the group and has particular expertise in patent litigation cases regarding enforcement, the validity of patents, and matters involving patent licensing. Both Gerritzen and Marleen van Putten, who is particularly experienced assisting with non-contentious and transaction-related patent cases, are described by clients as ‘razor sharp’. Sophie van Asten is also a key name to note with cross-border tech and life sciences expertise.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The support provided by Marleen van Putten and Frits Gerritzen was on-point and razor sharp on the advice provided, avoiding excessive legal verbiage and unreasonable risk indications.’

  • ‘The team was very easy to talk to and approachable. Both Marleen and Frits were quick to respond to our questions. Marleen was an absolute star in picking up the intention behind every question posed by us.’

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Key clients

  • Samsung
  • Regeneron
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Work highlights

  • Advised on the structuring of the client's patent portfolio in view of the combination with Makerbot and on trade secrets aspects of this transaction.
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