
The Supreme Court held on April 24, 2018 that if the Patent Office institutes and inter partes review (IPR) proceeding, it must issue a final written decision with respect to the patentability of every patent claim challenged by the petitioner. SAS Institute, Inc. v. Iancu, (discussed in greater detail here). Within days, the Patent Office issued Guidance on the impact of SAS on AIA Trial Proceedings explaining the procedures it intends to implement in view of the Court’s decision. The resulting changes are likely to be extensive, both in IPR practice and in the scope of estoppel that litigations in parallel proceedings will need to consider.
Continue Reading IPR and Estoppel after SAS Institute




