Peter Schlechtriem's academic work focused on the law of contracts, comparative law and international uniform law. His two textbooks on the German law of contracts, contributions to commentaries and numerous articles have significantly influenced the development of the law in Germany and abroad. His article-by-article commentary on the 1980 Vienna Sales Convention (CISG), published both the German and in English, has been particularly successful. Peter Schlechtriem's writings have been translated into several languages. Peter Schlechtriem served on numerous international commissions. He was a member of the German delegation at the Diplomatic Conference in Vienna that adopted the
United Nations Convention on Contracts for the International Sale of Goods in 1980. During the creation of the new Civil Codes of Estonia, Lithuania, Russia and Slovakia, he acted as a consultant and advisor. Peter Schlechtriem was a member if the Commission for the Reform of the German Law of contracts (Kommission zur Reform des deutschen Schuldrechts) and thus exercised considerable influence on the new general law of contracts and law of sales in force in Germany since 2002. He acted as a member of the German Council on International Private Law, of the
UNIDROIT Working Group on the development of the UNIDROIT Principles of International Commercial Contracts 2004, of the Study Group for a European Civil Code and was an Advisor of both the
American Law Institute and the
National Conference of Commissioners of Uniform State Laws in the United States. From 1990 until 1997, Peter Schlechtriem was President of the German
Gesellschaft für Rechtsvergleichung. He served as the first Chairman of the
CISG Advisory Council (from 2001 until 2004). ==Honours and international recognition==