专利合作条约公报: http://pctgazette.wipo.int/...
数据之星: http://www.dialog.com/...
世界网上专利信息库: http://www.micropat.com/...
微型专利全文检索: http://www.micropat.com/0/new_fulltext29809.html...
知识产权大世界: http://www.ipworldonline.com/...
奥比特情报检索系统: http://www.questel.orbit.com/...
St Cyril and Methodius 大学: http://www.eccf.ukim.edu.mk/...
Thomson Thomson: http://www.thomson-thomson.com/...
ipr-village: http://www.ipr-village.com/index_ipr.html...
FILDATA: http://www.fildata.it/...