The archives of the PIUG/PATMG Patent Information Discussion List (PIUG List) serves -L) remains available indefinitely. PIUG-L served as a forum medium for discussion of questions relating to patent information . News and until it was replaced by the PIUG Discussion Forum (PIUG-DF) on February 1, 2009. Both PIUG-DF and it predecessor PIUG-L contain news and questions and concerns about new developments in patent information from patent information users, patent offices, including the USPTO, the EPO and others, and patent information vendors are encouraged. Indexing and searching techniques, new databases and systems (online, in-house or on CD-ROM), and developments in existing databases are suitable as topics for discussion.