Rosa Greaves specialises in European commercial law and most of her research and publications are in this area. She is the author of Transport Law of the European Community (Athlone Press, 1991), EC Competition Law: Banking and Insurance Services (Wiley, 1992) and EEC Block Exemption Regulations (Wiley, 1994) and EC Transport Law (Longmans, 2000). She has edited the following books: European Company Law: A Guide to Community EFTA and Member State Legislation, (2nd Ed. 1989); Protecting and Exploiting Biotechnological Inventions (1991) and Competition Law (2003), a volume for the second series of The International Library of Essays in Law and Legal Theory.

She was a “stagiaire” in the Legal Service of the Commission (1976), worked with a firm of City of London solicitors for six months and spent two years in Brussels (1989 - 1990) where she worked as an in-house consultant to the Directorate General responsible Enterprise Policy and Distributive Trades (DGXXIII) and for Coopers Lybrand Europe. In 1995 she spent three months in Judge David Edward’s Chambers at the European Court of Justice. During research leave in 1999 and 2004 she spent six months as a Visiting Fellow at the Centre for European Legal Studies at the University of Cambridge (UK).

She delivered the 15th Hershell Smith Annual Public Lecture at Queen Mary & Westfield College (London University).

She has recently co-authored book on the contribution of Advocates General to the creation and development of the European Community’s legal order published 2007.