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Dr
Thomas
Lonsdale

Senior Patent Attorney

London Office Munich Office Bristol Office

Chemistry

Telephone. +44 (0)207 776 5100
Email. tlonsdale@hgf.com
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Experience

Tom is a Senior Patent Attorney with expertise in drafting, prosecution, oppositions and FTO analysis. Tom works for a broad range of clients in the chemistry, biochemistry, pharmaceuticals, and materials spaces.

Tom has a passion for sustainable technologies and the role technology will play in a more sustainable world. He has a strong focus on green technologies, and is passionate about supporting SMEs working in the sustainability/circular economy space. He also has a keen interest in pharmaceuticals and working at the interface between chemistry and the life sciences.

Specialisms

Industries

Services

Qualifications

Patent Attorney

Chartered (UK)

Zugelassener Vertreter vor dem Europäischen Patentamt

MCHEM

First Class Masters' Degree in Chemistry (University of Oxford)

PHD

PhD in Inorganic Chemistry (University of Oxford)

Publications

T1465/23 – No Narrowing by Description—EPO Board Terminates Inventive Step Analysis for Arbitrary Modifications Citing G1/24 and G1/19

View publication online

Wrestling with G1/24 – How should the claims be interpreted in view of the description?

View publication online

Conferences: 2024

20-09-2024

The Heat Festival of Innovation

Attended

Event details

CSR

Tom has volunteered on a number of CREST taster days designed to peak school student’s interest in STEM and the wide variety of roles available to STEM graduates.

Related News

Office Closed Dates December 2025 / January 2026

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PRESS RELEASE – HGF strengthens European presence with three new Partners in France and Germany

HGF is pleased to announce the arrival of three new partners, further strengthening its European presence. Two partners will be joining the firm’s fast-growing French practice, and one will join …

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A New Era for AI Patents in the UK: Supreme Court Aligns with the EPO

The UK Supreme Court has handed down its long-awaited judgment in Emotional Perception AI Limited (EPAI) vs Comptroller General of Patents, a decision which serves to significantly change the way …

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Event - 23rd - 25th March 2026

HGF are Gold Sponsors of IPBC Europe 2026

HGF are proud sponsors of IPBC Europe 2026, taking place from 23-25 March 2026 at the Pullman Paris Montparnasse. Bringing together patent pioneers, in-house leaders and private practice specialists, IPBC …

Event details
Event - 8th - 11th February 2026

AUTM Meeting 2026

We are attending the AUTM Annual Meeting from 8–11 February, a flagship event bringing together technology transfer professionals from across the globe. AUTM connects innovators, universities, and industry leaders to …

Event details

The Antibody Series #5 | Epitope-defined antibody claims: when “binds to this epitope” becomes a risk of insufficiency

The Boards of Appeal of the EPO (BoA) are the appeal body that reviews decisions made at the EPO; here, they reviewed an appeal in opposition proceedings after the revocation …

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The Deity Shoes case: a question of design activity and the constraints on a designer’s freedom

The footwear brand Deity Shoes sought to enforce their Community Design rights, both registered and unregistered, against Mundorama Confort and Stay Design. However, Mundorama Confort and Stay Design found fault …

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