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Advancing The Business of Intellectual Property Globally

LESI is a professional society for people interested in the licensing of technology and intellectual property.

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

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.

2025
December 16
les Nouvelles LIVE: Spotlight on the December 2025 Edition
Virtual
Join LESI for the next les Nouvelles LIVE! online event to hear the “making-of” stories from the authors of articles in the December 2025 edition. We ...
LES International
2025
December 16
Patent Certainty or Serial Challenges: The USPTO Challenging the ...
Virtual
There are significant changes being made in patent law, disrupting things.  Join LES USA-Canada for a timely webinar examining the United States Paten...
2025
December 18
The Achilles Heel of US Centric Cleantech Energy Patent Portfolio...
Virtual
Join LES USA-Canada's Valuation & Pricing Committee for a discussion on the critical vulnerabilities in U.S.-focused cleantech patent strategies a...
2026
January 13
LESI Thought Leadership Program 2025/26 - Track 1 (SEPs): Session...
Virtual
SEP Licensing in the Video Streaming Industry We continue our SEP Thought leadership series this year by looking at SEP Licensing in the Video Streami...
LES International
2026
January 14
Brand Expansion & Licensing Part 6 - The Power of Stories
Virtual
In Part 6 of his series on Brand Expansion, Pete Canalichio will explain the third element of the LASSO Module, “Storied”. In this webinar, Pete will ...
2026
January 15
A Practical Guide to Quantum Computing and the Law
London, UK
Gather with other licensing professionals to hear from Laura Wright and Rebecca Keating, barristers of 4 Pump Court and authors of ‘A Practical Guide ...
LES Britain & Ireland
2026
January 20
LESI Thought Leadership Program 2025/26 - Track 2 (MedTech): Sess...
Virtual
More Than Just the Intersection of Medicine and Technology This is the kick-off session of Track 2 focused on MedTech; one of 3 webinars in a series l...
LES International
2026
January 23
Sky Is No Limit – Hungarian Life Science Innovations from Pharma ...
Budapest, Hungary
LES Hungary's Industry Day will include an exclusive visit to Richter Gedeon Zrt. — one of Europe’s leading multinational pharmaceutical and biotechno...
2026
January 28
U.S. IP Year in Review - Looking Back at 2025
Santa Clara, CA, USA
This marks the 12th annual U.S. IP Year-in-Review, presented by the LES USA-Canada Silicon Valley Chapter. The content-packed program will review the ...
2026
January 28
Bankruptcy and IP
Rotterdam, Netherlands
LES Benelux welcomes you to its New Year’s Event on Wednesday, 28 January. The theme of bankruptcy and licensing will be discussed with several case s...
2026
January 29
Aerospace IP Strategy in View of Recent U.S. Patent Office Update...
Virtual
Join LES USA-Canada's Valuation & Pricing Committee to explore how recent USPTO changes impact aerospace and defense patent strategies, along with...
2026
January 29
LESI YMC AI Literacy Program Series: Session 1 - AI Demo Day
Virtual
Join LESI's Young Member Congress (YMC) for the first session of their AI Literacy Program, a webinar series designed to demonstrate practical, real‑w...
LES International
LESI President Announces Committee Leadership for the Year

A professional learning series, providing a “deep dive” on three topical tracks.

TRACK 1

SEPs

Standard Essential Patents

TRACK 2

MEDTECH

TRACK 3

MANAGING DATA

In IP Based Technology and Licensing

Our pilot program designed primarily for organizations with a large number of employees located in in multiple global locations.

A simple plan for an IP Owner to enroll their employees around the world — in multiple LES societies — for a single price.

Now, LES is offering a pilot global membership program to IP Owner organizations* to provide the benefits of LES membership to their employees around the world for one annual fee.

The journal is published quarterly and is designed to further the knowledge of the societies members and others in improving their skills, techniques and knowledge in licensing and protecting Intellectual Property.

Each issue of the Global News includes society news, details of upcoming events, information on committee activities, and calls to action.

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