HGF Office

Sheffield

6th Floor
Fountain Precinct,
Balm Green,
Sheffield,
S1 2JA

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Contact the office

HGF is dedicated to providing a comprehensive service both across Europe and internationally. Contact us to find out how we can work with your business.

Tel. +44 (0)114 274 3700

Email our team

HGF Sheffield has been supporting local innovation and technology in Yorkshire since 1999. The South Yorkshire-based office has enjoyed significant growth throughout the past decade by understanding our clients’ needs, providing specific technical and commercial astute expertise and offering an economically sound service.

Our team in Sheffield shares expertise in engineering and electronics. We work with clients’ IP portfolios at all stages of development, from start-up companies to global corporations with complex interrelated patent cases, providing commercially focussed and proactive advice.

Our team: Sheffield

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    Vanessa
    Stainthorpe

    Partner & Patent Attorney
    UPC Representative

    Estelle
    Senior

    Professional Standards Director & Partner
    UPC Representative

    Jeff
    Clarke

    Partner & Patent Attorney
    UPC Representative

    Frazer
    Bye

    Patent Director
    UPC Representative

    David
    Hufton

    Patent Director
    UPC Representative

    Vincent
    Jennings

    Patent Director

    Mark
    Lunt

    Consultant

    Yulia
    Ryabenkova

    Senior Patent Attorney

    Nicholas
    Jenkins

    Patent Attorney

    Thomas
    Mercer

    Senior Patent Attorney

    Joe
    Baumber

    Senior Patent Attorney

    Jonathan
    Sawyer

    Trainee Patent Attorney
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    Latest updates

    Office Closed Dates December 2025 / January 2026

    HGF Office Closed Dates December 2025 / January 2026   UK Thursday 25 and Friday 26 December 2025 CLOSED Thursday 1 January 2026* CLOSED * Friday 2 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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    G1/23: The Enlarged Board of Appeal shift EPO practice towards an “on-sale” bar.

    Last week, the EPO’s Enlarged Board of Appeal (EBA) issued its Decision that both a product put on the market before the date of filing of a European patent application, …

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    The EPO Board of Appeal comments on the scope of the morality exclusion from patentability

    The recent decision, T1553/22 of the Board of Appeal required the Board to consider the scope of the exclusions from patentability under Article 53(a) EPC. The invention in this case …

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    The Antibody Series #2 Definition via binding strength in antibody claims: when “binds strongly... but only minimally...” becomes a trap of lack of clarity

    Introduction Defining an antibody by its binding strength is common practice in patent claims, but it can quickly become a pitfall under Article 84 EPC on clarity. In this second …

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    The Antibody Series #1 Quality Characteristics (CQAs) in Antibody Claims: When the Test Method Can Remain Outside the Claim

    Introduction Therapeutic antibodies are at the heart of innovations in biotechnology and healthcare. With increasing regulatory requirements and quality expectations, critical quality attributes (CQAs) are becoming essential in the drafting …

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    Event - 7th January 2026

    HGF Brand & Design Conference 2026

    Join us on 3rd February 2026 for HGF’s Brand & Design Conference, the must attend event for in-house legal teams, brand leaders, creatives, and innovators shaping the future of IP. …

    Event details
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