On July 31, the United States Patent and Trademark Office issued a memorandum (“Memo”) announcing that the Office will renew enforcement of 37 C.F.R. § 42.104(b)(4) (“Rule 104(b)(4)”) in inter partes review (IPR) proceedings....more
Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...more
4/7/2025
/ Claim Construction ,
Estoppel ,
Ex Partes Reexamination ,
Inter Partes Review (IPR) Proceeding ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Prior Art ,
USPTO