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Slaughter and May

Living Wage
Work 020 7600 1200
Fax 020 7090 5000
Beijing, Brussels, Hong Kong, London

Susie Middlemiss

Work 020 7600 1200
Slaughter and May

Work Department

Intellectual Property.


Partner. Susie is Head of the firm's Intellectual Property practice and Co-Head of the Pharmaceuticals, Biotechnology and Healthcare practice. Susie has extensive experience in a wide range of intellectual property matters dealing with all forms of intellectual property rights. Her litigation practice includes experience in the High Court, the IPEC and the European Patent Office, and advising in multi-jurisdictional disputes, particularly concerning patents and trade marks. Her experience covers a range of sectors and technology. In addition, Susie is involved in mediation and other forms of dispute resolution.


Qualified New South Wales 1986; England and Wales 1991; Slaughter and May 1995; partner 2000.


INTA (2007 Volunteer Service Award); CIPA (associate member); BIA IP advisory committee; editorial committee of ‘Bioscience Law Review’.


University of Sydney (BSc; LLB).

London: Corporate and commercial

Commercial contracts

Within: Leading individuals

Susie Middlemiss - Slaughter and May

Within: Commercial contracts

The ‚Äėtop-notch‚Äô Slaughter and May¬†advises on strategic, high-value, high-risk and complex commercial contracts. The practice includes specialists in competition, corporate and real estate law, and the multi-disciplinary team is ‚Äėresponsive, knowledgeable and commercial, and works in a very collaborative fashion‚Äô.¬†Duncan Blaikie¬†advises clients on the creation and negotiation of a range of commercial contracts across the areas of IP, technology, pharmaceuticals, sports and financial services. He co-leads the practice with Richard Todd, who specialises in major international and domestic projects. They can call on the expertise of IP/IT expert Rob Sumroy, who focuses on technology and outsourcing; the 'very capable and competent' Susie Middlemiss, who acts in litigation and commercial contract matters related to IP; and David Ives, who is particularly notable in the retail and technology sectors. The group is advising GSK on the divestment of Horlicks and other consumer healthcare nutrition brands to Unilever and the merger of GSK Consumer Healthcare Limited with Hindustan Unilever Limited.

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London: TMT (technology, media and telecoms)

Intellectual property

Within: Leading individuals

Susie Middlemiss - Slaughter and May

Within: Intellectual property

Slaughter and May is 'always on top of the legal issues' and benefits from 'an excellent network of foreign advisers, who are able to provide top-notch support in multi-jurisdictional cases'. Practice head Susie Middlemiss has experience in contentious mandates, particular in the technology and life sciences sector, while David Ives and Cathy Connolly focus on commercial IP arrangements and transactional advice. Newly promoted partner Duncan Blaikie also assists clients in the technology and life sciences industries with strategic commercial matters.

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Pharmaceuticals and biotechnology

Within: Pharmaceuticals and biotechnology

Slaughter and May's client list ranges from some of the largest international life sciences companies through to start-ups, universities and research institutions, as well as investors, and it counts GlaxoSmithKline as a key client. It provides multi-jurisdictional cover and is especially adept in the realms of corporate/M&A and finance deals where it provides a 'flawless' service.  David Johnson spearheads corporate and commercial transactions together with Simon Nicholls. Susie Middlemiss takes on contentious and non-contentious IP matters.

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