Experts from WIPO member states rolled up their sleeves this week and got down to the nitty-gritty of discussions aimed at reaching agreement on an international legal instrument (or instruments) to ensure the effective protection of traditional knowledge (TK), traditional cultural expressions (TCEs) and genetic resources (GRs). Their work focused on what is considered to be the most mature of the three subjects - TCEs - covered by the Intergovernmental Committee on Intellectual Property and Genetic Resources, Traditional Knowledge and Folklore (IGC).