$2,000 for Proxense authentication patent prior art

Unified Patents added a new PATROLL contest, with a $2,000 cash prize, seeking prior art on at least claim 17 of U.S. Patent 11,095,640, owned and asserted by Proxense LLC, an NPE. The '640 patent focuses on a system and method for securely and automatically authenticating users to access data or applications, notably through radio frequency identification (RFID) and electronic authentication technologies. The patent has been asserted against Hyundai.

The contest will expire on July 31, 2025. Please visit PATROLL for more information and to submit an entry for the contest. PATROLL researchers are required to use Pearl to generate claim charts. Submitted invalidity charts must address every limitation of the challenged claim. This may require using more than one prior art reference. PATROLL researchers are required to use Pearl to initially generate claim charts, and then researchers must add relevant figures and highlighting before submitting each chart. Each PATROLL researcher can generate up to 30 invalidity claim charts per month using Pearl. These charts can be downloaded then submitted to PATROLL.

Mesa Digital smartphone patent challenge instituted

On June 24, 2025, five weeks after Unified filed an ex parte reexamination, the Central Reexamination Unit (CRU) granted Unified’s request, finding substantial new questions of patentability on the challenged claims of U.S. Patent 9,031,537, owned and asserted by Mesa Digital LLC, an NPE and entity associated with Ortiz & Lopez, PLLC (d/b/a OL PATENTS). The ‘537 patent is directed to an electronic wireless handheld multimedia device that is capable of bidirectional communication with a remote resource for electronic materials over cellular, wireless LAN and Bluetooth networks, after accepting a passcode by a user, along with a touch sensitive display screen. It has been asserted against over 75 defendants, including Amazon, Walmart, Best Buy, Apple, HTC, LG, Gen Mobile, Nuu, and BLU Products.

View district court litigations by Mesa Digital. Unified is represented by in-house counsel, Jason Wejnert and Roshan Mansinghani, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019952

Polaris PowerLED circuit power management patent challenge instituted

On June 20, 2025, less than one month after Unified filed an ex parte reexamination, the Central Reexamination Unit (CRU) granted Unified’s request, finding a substantial new question of patentability for claims of U.S. Patent 8,181,042, owned by Polaris PowerLED Technologies, LLC, an NPE. The ‘042 patent generally relates to power management in integrated circuits. It was the subject of a declaratory judgment action from Micron, which has settled.

View district court litigations by Polaris PowerLED. Unified is represented by in-house counsel, TJ Murphy and Kelly Hughes, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019976

Fortress entity DivX video codec patent affirmed invalid by Federal Circuit

On June 24, 2025, the Federal Circuit affirmed the Patent Office's final decision, in a summary Rule 36 affirmance, confirming that the challenged claims 1 and 10 of U.S. Patent 10,326,987 were unpatentable. Owned by DivX, LLC, an affiliate of Fortress Investment Group, this filing was a part of Unified's ongoing efforts in its SEP Video Codec Zone. The '987 patent was asserted against Hulu and is directed to encoding alternative streams of video for use in adaptive bitrate streaming.

View district court litigations by DivX. To read the petition and review the case record, view IPR2021-01476 on Unified’s Portal. Unified was represented by Angela Oliver, Adam Erickson, Debbi McComas, and David McCombs of Haynes and Boone, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.

Flexiworld data mining patent challenge instituted

On June 24, 2025, one month after Unified filed an ex parte reexamination, the Central Reexamination Unit (CRU) granted Unified’s request, finding substantial new questions of patentability on the challenged claims of U.S. Patent RE48,066, owned and asserted by Flexiworld Technologies, Inc., an NPE. The ‘066 patent relates to an internet-based transactional system involving data mining. It has been asserted against Indeed.

View district court litigations by Flexiworld. Unified is represented by in-house counsel, Jordan Rossen and Alyssa Holtslander, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019971