Narcos Narcos

Topi is a business-minded lawyer with strong industry knowledge of ICT and various outsourcing arrangements.

Topi advises regularly domestic and international companies on a broad range of contentious and non-contentious technology and IP related matters, such as outsourcing, procurement and delivery of R&D or IT systems, products and services, software and IP licensing, e-commerce, and data protection. Topi has also acted as an advisor in several technology-driven M&A transactions and capital investments.

Prior to joining Inventio, Topi was a Business Division Leadership Team member in a leading Nordic ICT corporation, responsible for its legal matters. Topi’s in-house background has also developed a results-first approach to his work.

Topi is a frequent lecturer within the fields of contract and IP law.

Main practice areas

  • Commercial agreements
  • ICT, IP, R&D, technology, e-commerce, licensing, cloud, data protection, open source
  • Outsourcing, technology-driven M&A transactions and capital investments
  • Counterfeits, marketing, media
  • Both contentious and non-contentious


  • Inventio Attorneys Ltd
    • Partner (2014-)
  • Tieto Corporation
    • Senior Legal Counsel (2011-2014)
  • Bird & Bird Attorneys Ltd
    • Attorney, Senior Associate (2008-2011)
  • Hannes Snellman Attorneys Ltd
    • Associate (2007-2008)


  • Admitted to the Finnish bar
  • Member of Finnish IT Law Association
  • Member of Finnish Association for Industrial Property Rights
  • Member of Finnish Sports Law Association


  • University of Turku, Finland, LL.M (2007)


  • Finnish
  • English


  • Who’s Who Legal: Data 2020: Information Technology (2020)
  • IAM Patent 1000: Transactions (2019)
    ”Topi Lusenius is a deft negotiator of IP contracts. With extensive in-house experience on his résumé, the Inventio partner has sharpened commercial instincts.”
  • The Legal 500: TMT – Next Generation Lawyer (2019)
  • Chambers Europe: TMT – Up and Coming (2019)
    “Topi Lusenius of Inventio Attorneys Ltd. is active on distribution agreements, SaaS and R&D contract matters. His clients praise him for “always bringing a business point of view to the table.”
  • Who’s Who Legal: Thought Leaders – Data 2019
  • IAM Patent 1000: Transactions (2018)
    “Topi Lusenius wields a commercial gift for negotiation that holds considerable appeal.”
  • The Legal 500: TMT – Next Generation Lawyer (2018)
  • The Best Lawyers™: Technology Law (2017-2018)
  • IAM Patent 1000: Transactions (2017)
    “Transactional ace Topi Lusenius is a guiding light on R&D arrangements for native high-technology enterprises”
  • Who’s Who Legal: Telecommunications Media & Technology (2016 & 2017)
  • The Legal 500: Intellectual property (2017)
    “Topi Lusenius has ‘a straightforward as well a proactive way of finding solutions’”
  • The Legal 500: TMT (2017)
    “Practice head Topi Lusenius is ‘very business-oriented’”
  • IAM Patent 1000 (2016)
    “Topi Lusenius keeps his finger on the pulse of technology-related developments and is widely admired for his nimble negotiation skills; with invaluable experience as senior legal counsel at Tieto Corporation – the largest ICT supplier in the Nordic region – he is finely attuned to the demands and pressures of the business world.”
  • The Legal 500: TMT (2016)
    “Topi Lusenius is a rising star.”