The Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...more
8/14/2025
/ America Invents Act ,
Corporate Counsel ,
Disclosure Requirements ,
Inter Partes Review (IPR) Proceeding ,
New Guidance ,
Obviousness ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patent Validity ,
Patents ,
Prior Art ,
Rulemaking Process ,
USPTO
The doctrine of assignor estoppel bars an inventor who assigns a patent to a third party from later arguing that the assigned patent is invalid. The Supreme Court has now upheld this doctrine but has limited its scope,...more