Acacia entity, Monarch, networking patent found invalid

On September 20, 2024, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate canceling all the challenged claims of U.S. Patent 8,451,845, owned and asserted by Monarch Networking Solutions, LLC, an Acacia Research Corp. entity.  The ‘845 patent relates to converting data packets between the IPv4 and IPv6 domains. It had been asserted against Cisco and Juniper Networks.

View district court litigations by Monarch Networking. Unified was represented by James Stein of Lee & Hayes and by in-house counsel, Jordan Rossen and David Seastrunk, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019246