Mewburn Ellis LLP is a limited liability partnership and is one of the UK's largest firms of Chartered Patent Attorneys, European Patent Attorneys, European Trade Mark Attorneys and European Design Attorneys, with offices in London, Bristol, Manchester and Cambridge. It has around 60 qualified patent and trade mark attorneys, including 40 partners. The firm’s main practice areas include chemistry, electronics, computing, telecommunications, mechanical engineering and trade marks as well as a large biotechnology and pharmaceutical practice.