The IP Law Blog Focusing on legal trends in data security, cloud computing, data privacy, and anything E

Tag Archives: Fifth Amendment

Federal Circuit Holds IPR Proceedings on Pre-AIA Patents is Not an Unconstitutional Taking Under the Fifth Amendment

Posted in IP, Patent Law

In CELGENE CORPORATION v. PETER, the Federal Circuit recently affirmed the PTAB’s decisions finding appealed claims obvious. However, more importantly, the Federal Circuit also held that the retroactive application of IPR proceedings to pre-AIA patents is not an unconstitutional taking under the Fifth Amendment. Regarding the constitutional issue of whether the retroactive application of IPRs… Continue Reading