Mr Mrs Miss Ms Dr Other

Mr
Jason
Lessard

Partner & Patent Attorney

Birmingham Office London Office Rennes Office Paris Office

Technology & Engineering

Telephone. +44(0) 121 265 7930
Mobile. +44(0) 791 400 9820
Email. jlessard@hgf.com
UPC Representative
Our team of specialist European patent litigators, oppositions specialists and patent attorneys bring together an extensive depth of legal and technical knowledge and are qualified to represent you in the UPC.
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Experience

Jason is a Division Head in our Technology and Engineering Group.

The majority of Jason's work is in advising SMEs and multinationals on their IP strategy, drafting, filing and prosecuting patent and design applications throughout the world and conducting freedom-to-operate projects.

Jason is a bilingual (French and English) European and Chartered UK Patent Attorney and UPC Representative. He also has Limited Recognition before the US Patent and Trade Mark Office. He was a European Trade Mark and Design Attorney before the UK left the EU.

He has a unique mix of skills and experience, from running an $8 million sales portfolio before entering the patent profession to developing a successful private practice and from successfully completing the USPTO Patent Bar exam to qualifying as a pilot (CAA Part-FCL IMC/IRR).

Jason's knowledge of both European and US patent systems, together with his commercial and sales experience gives Jason a unique advantage when advising both US and European clients.

Specialisms

Industries

Services

Qualifications

Patent Attorney

Chartered (UK)
Europe
USA (Limited Recognition)

BENG

BASc (Mech Eng), Hons (University of Waterloo, Canada)

POSTGRADUATE DIPLOMA OR CERTIFICATE

Mechanics of Private Equity

CSR

Jason is a Trustee of The Sanjay Mortimer Foundation, a charity that helps neurodiverse young individuals develop their passion for science, technology, engineering, and mathematics (STEM).

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Event - 28th October 2026

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HGF is pleased to be attending the KINPA Conference 2026, taking place on 28 October in Seoul, South Korea. Recognised as Korea’s largest intellectual property gathering, the conference brings together …

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Event - 17th - 19th November 2026

HGF Attending IPBC Asia 2026

HGF is pleased to announce that Partner, Dr Jennifer Uno, will be attending IPBC Asia 2026, taking place from 17-19 November 2026 in Tokyo, Japan. The event is one of …

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Event - 4th November 2026

IAM Navigating the UPC conference

HGF are gold sponsors of the IAM Live Navigating the UPC conference. IAM Live: Navigating the UPC returns to Paris in November bringing together over 180 industry leaders for an …

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Event - 12th October 2026

HGF to attend Festival of Biologics 2026

HGF is pleased to announce that Frédéric Didelon, Partner and European Patent Attorney in our Life Sciences team, will be attending the Festival of Biologics, taking place 13-15 October 2026 …

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Event - 29th October 2026

Join us for HGF’s IP clinic after ETZ EnergyWorks' Brewed for Growth event

Following ETZ EnergyWorks’ Brewed for Growth event on Thursday 29 October, we are hosting our next IP clinic from 10am-1pm, offering practical, confidential advice at no cost. If you’re developing …

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Event - 7th - 10th October 2026

HGF Attending AIPPI World Congress 2026

HGF is attending the AIPPI World Congress 2026, taking place in Hamburg from 7-10 October 2026. Bringing together intellectual property professionals from around the world, the annual Congress is one …

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