File-Wrapper Estoppel or Doctrine of Equivalence: Which Way to Err?

Abolade Owoeye is at Osgoode Hall and is taking the Patent Law Course. Prosecution history estoppels also known as File-wrapper estoppel is a term used when an inventor has filed a patent application, but during prosecution of that patent application, the inventor amends the application in order to overcome a prior art. That inventor is subsequently […]