Venner Shipley LLP

Chemical and Life Sciences

Siân was appointed the firm’s Managing Partner in 2024. She is a European and Chartered Patent Attorney with over 25 years’ experience. She specialises in the drafting, filing and prosecution of patent applications in a broad spectrum of technical fields that includes pharmaceuticals, formulation technology, drug delivery, molecular biology, biological assays, gene sequences, DNA sequencing technologies, array technologies, genomics proteomics, stem cells, diagnostics, cancer therapeutics, immuno-therapeutics, cell culturing technology and equipment, medical devices, substrates for inhalation systems, food and plant products and processing, filter technology and packaging technology.

Siân specialises in managing international patent portfolios and coordinating prosecution around the globe, using her extensive knowledge of local patent law and practice to obtain the best outcomes for her clients.

Siân works closely with clients to ensure that they get the most out of their intellectual property, making sure that key development work is adequately protected and devising IP strategies to give them a competitive advantage. Most importantly, Siân assists clients to align their IP with the overall commercial and strategic aims of their business. She strives to consistently provide proactive, business-relevant advice by not only getting to know her clients’ technology and business, but also those of their competitors.

Siân regularly delivers presentations on a variety of topics including the developing caselaw around Plausibility at the EPO and in the national courts around Europe and is an active member of a number of biotech organisations.

Siân is passionate about Equity, Diversity and Inclusion and is a member of the Senior Leaders’ Think Tank of IP Inclusive and a member of Venner Shipley’s EDI forum. Siân is also a member of the firm’s ESG Committee.

Fellow of the Chartered Institute of Patent Attorneys Member of the European Patent Institute UPC Authorised Representative IP Litigation Certificate

Siân has an honours degree in Biological Sciences from the University of Oxford and a Masters degree in the Management of Intellectual Property from Queen Mary, University of London.