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2026
April 26-29
LES International
LESI 2026 Annual Conference - INNOVATION TO IMPACT: IP as an International Growth Engine
Dublin, Ireland

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.

Life Sciences
& Healthcare

Telecommunications
& IT

Chemicals, Energy,
Environment & Materials

Automotive
& Transport

Sports &
Entertainment

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
December 8
Holiday Event
Ottawa, Canada
LES USA-Canada's Ottawa Chapter hopes you can join them for a holiday event on 8 December!
2025
December 10
Copyright Damages and Fair Use in the Age of AI
Virtual
The proliferation of Generative AI has raised significant issues with respect to intellectual property rights, particularly with regard to copyrights....
2025
December 11
Annual General Assembly
Paris, France
Join LES France for their 2025 General Assembly. Speakers include: Frédéric Portal - LES France President Jean-Christophe Troussel - LESI President Ma...

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