Answer: Worldwide
Analysis: The esp@cenet data retrieval system includes the following databases: WIPO- esp@cenet patent database: includes the bibliographic data of PCT applications published in the last 24 months. EP-esp@cenet patent database: contains bibliographic data of European patent applications published in the last 24 months. Worldwide Patent Database: As of November 2006, it contains 56 million patent records from more than 80 countries. Among them, 29.8 million have invention names, 28.9 million have ECLA classification numbers, and 18 million have English abstracts; it is based on the PCT minimum document volume.