The EPO has added patent data from Cost Rica (CR), Peru (PE) and El Salvador (SV) to esp@cenet and some of its other patent data products. In addition, data from Cuba (CU) which had not been updated from 1996, will be re-introduced in the database at the end of December.
The actually number of patent documents added is small: 51 for Cost Rica (Mar-Aug, 2007), 110 for Cuba (Jan 2007-Apr 2008), 616 for El Salvador (2004-2007) and 94 for Peru (2004-2007).
I'm the librarian for research services in the Engineering and Science Library at Queen's University in Kingston, Ontario. I've been working with patent information since 1991, including seven years at the U.S. Patent and Trademark Office. I believe that the dissemination of patent information is a public good and should be promoted, especially in the education of science and engineering students.