# Double patenting

A rejection that stops an inventor from getting two patents for the same invention, or for an obvious variation of it. The common obviousness-type double patenting is usually overcome with a terminal disclaimer that ties the two patents' expiration dates together.

**Full entry:** https://patentbrief.org/glossary/double-patenting

**All patent terms:** https://patentbrief.org/glossary

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_Source: PatentBrief — https://patentbrief.org. A plain-English glossary of US patent terms._