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805 Effect of Improper Joinder in Patent - 800 Restriction in Applications Filed Under 35 U.S.C. 111; Double Patenting
805 Effect of Improper Joinder in Patent
35 U.S.C. 121, last sentence, provides "the validity of a patent shall not be questioned for failure of the Commissioner to require the application to be restricted to one invention." In other words, under this statute, no patent can be held void for improper joinder of inventions claimed therein.
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