Federal Circuit Finds Application of Printed Matter Doctrine Too Expansive, PTAB Litigation Blog

Visit the PTAB Litigation Blog

During an inter partes review (IPR) initiated by Ingenico, the PTAB found certain claims from three patents held by IOEngine to be unpatentable. The patents at issue are directed to secure communications for portable devices used with a terminal (e.g., desktop computer) for user input. On appeal (IOENGINE LLC v. Ingenico Inc), IOEngine argued that the PTAB incorrectly construed “interactive user interface” and incorrectly applied the printed matter doctrine. While rejecting the claim construction arguments, the Federal Circuit held the PTAB misapplied the printed matter doctrine.

Read the full article at

Insights by Jones Day should not be construed as legal advice on any specific facts or circumstances. The contents are intended for general information purposes only and may not be quoted or referred to in any other publication or proceeding without the prior written consent of the Firm, to be given or withheld at our discretion. To request permission to reprint or reuse any of our Insights, please use our “Contact Us” form, which can be found on our website at This Insight is not intended to create, and neither publication nor receipt of it constitutes, an attorney-client relationship. The views set forth herein are the personal views of the authors and do not necessarily reflect those of the Firm.