Mr Ben Muir > Beck Greener LLP > London, England > Lawyer Profile

Beck Greener LLP

Work Department

Partner. Patents.


Ben’s practice focuses on the chemical, chemical engineering and life sciences sectors. He has particular expertise in the fields of air and gas separation, cryogenics, combustion, syngas, semiconductor manufacture, new chemical entities, chemical formulations, pharmaceuticals and medical treatments, protein and nucleic acid synthesis and purification, and antibodies. Ben acts directly for a number of multinational corporations, and in this capacity he regularly drafts applications for filing before the US, European and International Patent Offices; prosecutes cases before the European and International Patent Office; and consults on the prosecution of cases in the US, Japan, China, India and elsewhere. Ben defends his clients’ patents and challenges competitors’ patents in opposition and appeal proceedings before the European Patent Office; and provides patent landscape, infringement and freedom-to-operate opinions. He also works with several small and medium-sized companies, advising them on and handling all aspects of their patent portfolios.


After obtaining a masters degree in intellectual property (being one of only two candidates in his year to obtain a pass with distinction), Ben joined the profession in 1999, and qualified as a European patent attorney in just three years. Ben qualified as a European patent attorney in 2002 and a chartered patent attorney in 2003. He is also a European design attorney. Ben joined Beck Greener in 2004 and became a partner in 2008.


Fellow of the Chartered Institute of Patent Attorneys (CIPA).


University College London (1997 BSc Biochemsitry); Queen Mary College, University of London (1999 MSc Management of Intellectual Property).

Lawyer Rankings

London > TMT (technology, media and telecoms) > PATMA: Patent attorneys

The London-based Beck Greener LLP is described as ‘an exceptional patent firm which delivers the best for each client, from application to potential disputes.’ The firm impresses with its very successful EPO oppositions and appeals practice, and is regularly selected by major multinationals as adviser for European patent prosecution. In 2020, the practice grew its filing practice through a mix of new and existing clients and has also grown its designs practice. Avi Freeman, whose specialisms include computer-implemented inventions and patent prosecution before the USPTO, leads the electronics, physics and mechanical engineering practice –  he is praised for ‘his vast technological range’, which means ‘he always impresses clients with his understanding of their specific concerns’. James Stones, whose expertise includes EPO and USPTO patent prosecution, heads the chemical, pharma and chemical engineering team, while Ben Muir is the head of the life sciences practice – his experience includes transactional and licensing work in addition to original drafting and prosecution in the UK, at the EPO and in the US. The ‘excellentCatherine Jewell and ‘outstanding advocate’ John Hull specialise in the chemical field, while Anna Hatt is well regarded for her ‘expert knowledge and ability to overcome problems‘.