Legal Research

One Classification to Rule Them All?

The IPC was created in the 1960s as a common classification system intended to replace the numerous national patent classification systems then in existence. The official treaty creating the IPC system, the Strasbourg Agreement, was signed in 1971. There are now 61 countries party to the agreement. Few national classification systems are still in use. The Canadian Patent Classification system was abandoned in the early 1990s.  

Full post as published by The Patent Librarian's Notebook on February 08, 2011 (boomark / email).