Lasse Laaksonen

Partner / Helsinki

About Lasse

Lasse specialises in both contentious and non-contentious aspects of intellectual property and technology, and commercial agreements. He has wide-ranging experience in litigation, including patent litigation, and negotiating and drafting complex and critical contracts in various fields, including technology, pharma, consumer businesses, igaming and health care.

In 2004 Lasse worked as a visiting attorney in London for a major international law firm and has also complemented his graduate studies in the UK.

Lasse has contributed to many major publications, particularly in the field of intellectual property. He has also contributed to books on technology, litigation and the law of associations.

Lasse heads the firm’s IP & Commercial team.


Chambers Europe & Global

  • IP

Chambers Europe & Global
“His advice is sound and very consistent.”
“Absolutely brilliant litigator.”
“He is tenacious in attitude and an expert in his advice and approach to litigation.”
“He is determined, dogged and really fights your corner.”
“He has an excellent grasp of my company’s situation and approaches it with a balanced view.”

  • IP

The Legal 500
“A fantastic IP litigator. He is dogged and relentless. His submissions are crystal clear and he delivers with force. One of my favourite litigators in the whole of Europe. Truly excellent – he has never let me down over more than a decade.”
”Eager to listen to his clients needs and to adapt the service.”
”Lasse Laaksonen has never let me down in about 10 years that we have worked together. I don’t think that he has ever lost a hearing for me! A brilliant communicator – his submissions have incredible clarity even regarding very complex issues. One of the very best.”

  • Patents
  • Trademarks

IAM Patent 1000

  • Patent Litigation

WTR 1000

  • Trademarks: Enforcement and litigation

Best Lawyers

  • IP
  • Outsourcing

Managing Intellectual Property: IP Stars

  • IP Star

WIPR Leaders

  • Patents, Trademarks

Selected References

  • Advises clients in complex contractual arrangements relating to global licensing, distribution and other commercial operations.
  • Advises a number of clients on a continuous basis on IP and commercial matters, including assistance in strategic IP management.
  • Advised several globally operating pharma companies in landmark litigation engagements in all dispute resolution venues, including the Supreme Court.
  • Advised in trade mark litigation, including a widely cited case relating to parallel importation at the Supreme Court.


  • Partner, Borenius, 2012–
  • Specialist Partner, Borenius, 2010–2012
  • Senior Associate, Borenius, 2006–2010
  • Visiting lawyer, Hammonds, Commercial & Intellectual Property Department, London, 2004
  • Associate, Borenius, 2002–2006


  • Bar Admission, 2006, Helsinki, Finland
  • Master of Laws, 2002, University of Helsinki, Finland


  • Finnish, English