"Several sources also said that China has a particular interest in standards, though the Chinese mission in Geneva could not confirm as of press time. Standards are a highly technical issue, for the most part centred on information and communication technology. IP issues enter into the mix, for example, when the holder of a patent of a technical standard is unwilling to licence the standard at an acceptable cost, or when there are several patents with different owners associated with a particular standard, creating coordination problems. Standards, in principle, should be open, said the Brazilian delegate, as problems in "inter-operability could be a hurdle for development." "