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德温特是英国一家专门用英文报道和检索世界各主要国家专利情报的出版公司（DerwentpublicationItd）。它收集报道27个国家和两个国际性专利组织的专利文献，以索引周报（全称为WPIGazetteWeekly）和文摘周报（A1ertingAbstractsBulletins）及各类分册的形式出版。出版物除印刷
Derwent is a British publishing company that specializes in English reporting and retrieving patent intelligence from all major countries in the world. It collects patent documents covering 27 countries and two international patent organizations published in the form of Index Weekly (WPIGazetteWeekly) and A1ertingAbstractsBulletins and various sections. Publications except printing