Recent decisions from the US Patent Trial and Appeal Board continue to offer strategic advantages for patent owners: the Board has effectively expanded assignor estoppel to inter partes review proceedings and Director John...more
10/8/2025
/ Artificial Intelligence ,
Corporate Counsel ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Machine Learning ,
Patent Applications ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patent-Eligible Subject Matter ,
Patents ,
Section 101 ,
USPTO
The US Court of Appeals for the Federal Circuit recently held that cancellation of a claim during prosecution may give rise to prosecution history estoppel, precluding the patentee from recapturing the surrendered subject...more