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Q24. How is Double Patenting Avoided in the Case of the Internal Priority?

Q24. How is Double Patenting Avoided in the Case of the Internal Priority?
 Where one files a later Japanese application claiming the internal priority based on an earlier filed Japanese application and claiming the same subject matter plus additional subject matter, can one avoid a double patenting rejection by filing of withdrawal of the earlier-filed application?

A24. As stated above, a single application will only be pending, which is the later filed Japanese application which covers the original invention contained in the earlier filed Japanese application and the related improvements or related different inventions contained in the later filed Japanese application. Accordingly, the double patenting rejection should not take place for the internal priority application.