Obviousness-type double patenting is a judicially-created doctrine designed to prevent a patent owner from applying for a second patent which isn’t “patentably distinct” from the claims of a first patent. In many cases, obviousness-type double patenting can occur accidentally, and it’s important for patent holders to know how to avoid this complication. In this podcast, Finnegan attorneys Alissa K. Lipton and Jeffrey M. Jacobstein discuss this issue.