MPEP Section 823, Unity of Invention Under the Patent Cooperation Treaty
Executive summary:
This document contains Section 823 ("Unity of Invention Under the Patent Cooperation Treaty ") of the Manual of Patent Examining Procedure (the "M.P.E.P."), Eighth Edition, Seventh Revision (July 2008). This page was last updated in November 2009. You may return to the section index to find a particular section. Alternatively, you may search the MPEP using the search box that appears on the left side of every page of BitLaw--you may restrict your search to the MPEP on the search results page.
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823 Unity of Invention Under the Patent Cooperation Treaty [R-3]
See Chapter 1800>, in particular MPEP § 1850, § 1875, and § 1893.03(d),< for a detailed discussion of unity of invention under the Patent Cooperation Treaty (PCT).