Guest Post by Jordan Duenckel.Jordan is a second-year law student at the University of Missouri, head of our IP student association, and a registered patent agent.He has an extensive background in chemistry and food science.Joint inventorship requires a substantial contribution to the invention.In the decision HIP, Inc. vs. Hormel, Judge Lourie writes for a unanimous panel to reverse a district court's determination of joint inventorship involving a new process for precooking bacon.