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2025
September 29-30
LES Benelux, LES International
LESI 2025 Pan-European Conference - Intellectual Property Assets for Economic Growth
The Hague, The Netherlands
2026
April 26-29
LES International
LESI 2026 Annual Conference - INNOVATION TO IMPACT: IP as an International Growth Engine
Dublin

Advancing The Business Of Intellectual Property globally

LES is a professional society for people interested in the licensing of technology and intellectual property. Its membership is drawn from a wide range of disciplines and organizations.

LESI is a professional society for people interested in the licensing of technology and intellectual property. Its membership is drawn from a wide range of disciplines and organizations. An important feature of LESI is tha it brings together people from different backgrounds, cultures and industries. Hands-on licensing practitioners, academicians lawyers and consultants from industry, university, public bodies and professional firms are all welcome.

The LESI difference

A society with a complex focus on the legal aspects, and ideal business utilsation of the entire lifecycle of IP. From the birth of innovative ideas through R&D, protecting licensing, valuation, transferring, monetizing IP and enforcing them.
All addressed by a diverse community of legal, industry and academic IP professionals connected on a national, regional and global levels of LESI.

The Impact Of Our Work

Sharing knowledge and a network to address critical and complex issues to further technology investment.

LESI Values

For The Public

For Members

For Young Members

2025
July 3
Copy That! The License You Can’t Refuse
Virtual
This discussion (hosted by LES South Africa's Copyright Committee) will be about the first ever compulsory copyright licence being granted by the Copy...
2025
July 7
2025 Annual Conference & LES100
London, UK
LES B&I are pleased to invite you to their 2025 Annual Conference in London on Tuesday, 8 July with the theme of “IP and Trade in an Age of Uncert...
LES Britain & Ireland
2025
July 17
Legal Dimensions of AI in the EU
Virtual
This webinar offers a focused exploration of the evolving legal landscape surrounding AI in the European Union. It will cover three interrelated areas...

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