In the majority decision, the court clarified that assignor estoppel will only apply when the principle of fair dealing is involved. In situations where fair dealing is not in play, assignor estoppel ...

“[N]othing in SAS suggests that estoppel should extend beyond the statute as written and reach claims never addressed in the actual final written decision.” – Ingenio’s Certiorari Petition On March 9, ...

The Supreme Court on Tuesday narrowed the doctrine of patent assignor estoppel, which prohibits an inventor from assigning a patent to someone and then later contending in litigation that the patent ...