BitHarmony video streaming patents prior art found

The team at Unified IP Services used Pearl to successfully identify and chart prior art against five patents owned and asserted by BitHarmony LLC, an NPE. The patents listed below generally relate to video streaming products and services with features such as adaptive bit rate streaming and media encryption and decryption. All five patents listed below have been asserted against Amazon. The ‘485 patent, ‘605 patent, and the ‘259 patent have been asserted against Warner Bros. Discovery.

The prior art was found and charted by Alejandro Borge, Juan Caldera, and Marlon Ramirez of Unified IP Services and Elaine Chow of Unified Patents.

Identified Prior Art on U.S. Patent 7,707,485 (click to download chart)

Identified Prior Art on U.S. Patent 9,088,805 (click to download chart)

Identified Prior Art on U.S. Patent 9,124,954 (click to download chart)

Identified Prior Art on U.S. Patent 9,258,605 (click to download chart)

Identified Prior Art on U.S. Patent 9,826,259 (click to download chart)

Sulaco Enterprises cybersecurity patent prior art found

The team at Unified IP Services used Pearl to successfully identify and chart prior art against U.S. Patent 8,990,942, owned by Sulaco Enterprises LLC, an NPE. The ‘942 patent is generally related to application programming interface (API)-level intrusion detection. The patent has been asserted against Fortinet, Check Point Software Technologies, Radware, and Sophos.

The prior art was found and charted by Alejandro Borge and Oscar Jarquin of Unified IP Services and Elaine Chow of Unified Patents.

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Activemap interactive maps patent campaign - invalidity charts coming soon

The team at Unified IP Services is using Pearl to identify and chart prior art against U.S. Patent 8,468,464, U.S. Patent 10,444,943, and U.S. Patent 10,908,782 owned by Activemap, LLC, an NPE. The patents relate to interactive mapping ecosystem on retailer websites. The patents have been asserted against Nordstrom, National Vision, Lowe’s, The Gap, Petco, The Children’s Place, The Tile Shop, Compass, Chanel, Half Price Books, Lucky OpCo, and Luxottica.

Mel NavIP speech recognition patent found invalid

On February 25, 2026, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate cancelling all claims of U.S. Patent 8,060,368, owned and asserted by Mel NavIP, LLC. The '368 patent is generally directed to navigation and speech recognition for a vehicle. The patent had been asserted against Toyota, GM, and Hyundai.

View district court litigations by Mel NavIP. Unified was represented by Jessica Kaiser and Tyler Knox of Perkins Coie, and by in-house counsel, David Seastrunk and Roshan Mansinghani, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019326

Wilus Wi-Fi patent challenge instituted

On February 26, 2026, 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 12,166,587, owned by Wilus Institute of Standards & Technology, Inc., an entity of Good Day to Invent, Inc. The ‘587 patent generally related to how to identify padding in Wi-Fi trigger frames. The '587 patent has not been asserted itself, but it is the latest issued patent in a family being used in litigation.

View district court litigations by Wilus. Unified is represented by Michael Jones and Jake Rosvold of Rothwell Figg and by in-house counsel, Jessica L.A. Marks and Vinu Raj, in these proceedings.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90015925