F-term (patent law)
This article is about the patent classification used in Japan. For F-term in theoretical physics, see F-term.
In Japanese patent law, F-term is a system for classifying Japanese patent documents according to the technical features of the inventions described in them. It is not a replacement for the International Patent Classification (IPC) or other patent classifications, but complements other systems by providing a means for searching documents from different viewpoints. A symbol attached to a patent document, indicating that the invention disclosed in the document has a particular technical feature, is also called an F-term.
External links
- (English) F-term lists and F-term search on the Industrial Property Digital Library (IPDL) by INPIT, a Japanese governmental agency
- Japanese FI classification and F-terms now available in English (March 2001) by the European Patent Office on Japanese patent classifications (version archived by www.archive.org)
- JPO patent search guidance (Japanese) (Translate: Google, Babelfish)
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