Prior art found for Blueprint IP

Unified is pleased to announce the PATROLL crowdsourcing contest winner, Rakon Nahar, who received a cash prize of $1,000 for his prior art submission for U.S. Patent 8,089,980, owned by Blueprint IP Solutions, LLC, a subsidiary of well-known NPE, IP Edge, LLC. The ‘980 patent was acquired as part of a larger portfolio originating with Siemens, was used in an assertion campaign that started in March 2019 over a network redundancy patent, and has been asserted in district court litigation against various companies.

To help the industry fight bad patents, we have published the winning prior art below.

We would also like to thank the dozens of other high-quality submissions that were made on this patent. The ongoing contests are open to anyone, and include tens of thousands of dollars in rewards available for helping the industry to challenge NPE patents of questionable validity by finding and submitting prior art in the contests. Visit PATROLL today to learn more about how to participate.

WINNING SUBMISSION

US 8,089,980 The '980 patent ("Löbig"), which was filed on August 26, 2004 and claims a December12, 2003 priority date, discloses a method of providing a redundant (i.e., a clone) switchingsystem in a powered-up but idle mode ("hot-standby" or "warm-standby" state) that periodicallysends an IP lease request to a monitoring unit through a packet-based interface of the switchingsystem in the hot-standby state.