$9,000 awarded for Polaris PowerLED memory controller patents prior art

Unified is pleased to announce PATROLL crowdsourcing contest winners below totaling $9,000 in cash prizes. The patents are owned by Polaris PowerLED Technologies, LLC, an NPE. The patents generally relate to various nonvolatile memory technologies.

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.

US 8195878 - Managing Storage Using a Solid State Drive (SSD)

Winning Submissions: US 7644239; US 8612668

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US 8588228 - Nonvolatile Memory Controller with Host Controller Interface

Winner - Ekta Aswal

Winning Submissions: US 8549182; US 8719455; US 8180977

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US 9021337 - Error Correction Coding Schemes

Winning Submissions: US 8412879; US 9317362

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US 9183085 - Plurality of Error Correction Coding Schemes in a Flash Drive

Winners - Colin LaRose, Ekta Aswal, Nisha Devi

Winning Submissions: US 7210077; US 20100241928; US 20080222490

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US 9305661 - Reducing Bit Errors in the Nonvolatile Memory System

Winners - Ekta Aswal, Calvin Zhong, Nisha Devi

Winning Submissions: US 8935467; US 8151034; US 8331144

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US 9799405 - Reducing Latency of a Memory Controller

Winner - Ekta Aswal

Winning Submissions: US 7545677; US 20110007563

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US 9830245 - Generating Event Trace Records

Winners - Ritu Tyagi, S.P. Ragupathy

Winning Submissions: US 20140075052; US 7379860; US 20110239196

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Flexiworld data mining patent challenged

On May 23, 2025, Unified Patents filed an ex parte reexamination proceeding against 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.

DigitalDoors cloud storage patent challenge instituted

On May 23, 2025, less than 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 9,015,301, owned and asserted by Digital Doors Inc., an NPE. The ‘301 patent relates to an information management system for processing data over a distributed computing system using filters. It is currently being asserted against 35+ financial institutions, including First Western Trust Bank, Texas Capital Bank, WestStar Bank, and others.

View district court litigations by DigitalDoors. Unified is represented by Stephen Cortiaus of Slater Matsil, and by in-house counsel, Alyssa Holtslander and David Seastrunk, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019933

KAIST/ETRI HEVC/AV1 patent revocation confirmed by EPO appeal

On May 9, 2025, the EPO's appellate board confirmed the decision to revoke EP 2627085. The EP ‘085 patent was owned by the Electronics and Telecommunications Research Institute (ETRI) and Korea Advanced Institute of Science and Technology (KAIST). The patent was related to patents that are designated essential to the Access Advance patent pool as well as SISVEL’s AV1 patent pool.

Unified was represented by Dr. Andrew McGettrick and Dr. Susan Keston at HGF Law, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.

$3,000 for Jeffrey M. Gross entity, Calibrate Networks, Kubernetes/open source patent prior art

Unified Patents added a new PATROLL contest, with a $3,000 cash prize, seeking prior art on at least claim 1 of U.S. Patent 9,584,633, owned and asserted by Calibrate Networks LLC, an NPE and a Jeffrey M. Gross entity. The '633 patent relates to a system for enhancing network communications by avoiding data copy, task switching, and simplifying protocol processing. It has been asserted against Kubernetes implementations within applications owned or created by Shopify, Box, Airbnb, and Blackberry.

The contest will expire on June 30, 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. Each PATROLL researcher can generate up to 30 invalidity claim charts per month using Pearl. These charts can be downloaded then submitted to PATROLL.

This PATROLL contest is co-sponsored by the Cloud Native Computing Foundation (CNCF) and is a part of a continuing series of contests in their Cloud Native Heroes Challenge program. Cloud native developers can earn swag and prizes by helping us defeat patent trolls. Find more information on CNCF and the challenges within the links below: