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No Assignor Estoppel in AIA Inter Partes Review

The popularity of IPR proceedings will likely increase as assignor estoppel does not apply to IPRs. Inter Partes Review (IPR) proceedings have become a very popular method of challenging patent validity for actual and...more

IP Update, Vol. 16, No. 2, -- February 2013

In This Issue: Patents - Supreme Court: State Court Has Jurisdiction over a Legal Malpractice Claim; Nothing Non-Obvious About Applying Pre-Existing Technology to the Internet; The Federal Circuit Is Not the...more

Patent Watch: Semiconductor Energy Lab. Co. v. Nagata

"[Neither the Declaratory Judgment Act nor Federal Circuit jurisprudence creates] a federal cause of action for assignor estoppel." On February 11, 2013, in Semiconductor Energy Lab. Co. v. Nagata, the U.S. Court of...more

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