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PCT International Search and Preliminary Examination Guidelines

PART II THE INTERNATIONAL APPLICATION

Chapter 7 Classification of International Applications

Definition

Rule 43.3

7.01  Classification involves the assigning of one or more classification symbols to a particular international application, whereby the technical subject of the invention of that application is identified. Every international application must be classified by the International Searching Authority according to the International Patent Classification system (IPC), and this chapter deals only with such classification.

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