This edition features the world’s leading life sciences practitioners divided into four discrete practice areas, comprising 360 patent litigators, 226 product liability defence experts, 229 regulatory specialists and 176 transactional lawyers from a total of 363 firms across 45 countries. Hogan Lovells takes top spot in our research this year with an unprecedented level of recognition in our life sciences research. Following closely behind, Sidley Austin offers comprehensive global advice and excels in the regulatory side of the field. Bird & Bird has a dominant pan-European offering, especially with regard to patent litigation. Covington & Burling is also an instantly recognisable name in life sciences and a leading player in the regulatory and transactional fields on a global scale. Meanwhile, Arnold & Porter impresses, in particular, with its transatlantic regulatory advice. Firms also excel domestically, including Hyman Phelps & McNamara in the US, Bristows in the UK and Uría Menéndez in Spain. We also select the five most highly regarded individuals from each of our patent litigation, product liability defence, regulatory and transactional chapters.