The (IPC) system, provides for independent symbols for the classification of patents and utility models according to the different areas of technology to which they pertain. It is an effective and easy-to-use system to classify and search particular area of technology.

The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent symbols for the classification of patents and utility models according to the different areas of technology to which they pertain. A new version of the IPC enters into force each year on January 1.

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