$2,000 awarded for IP Investments Group entity, Digimedia Tech, storage patent prior art

Unified is pleased to announce PATROLL crowdsourcing contest winners, Adrei Gilya and Calvin Zhong, who shared an award of $2,000 for their prior art submissions on U.S. Patent 6,684,220, owned and asserted by DigiMedia Tech, LLC, an NPE and an IP Investments Group entity. The ‘220 patent describes software stored on a computer readable medium that identifies a model comprising multiple objects, each with input and output variables. It has been asserted against GM and Pinterest.

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 5249300

• US 6058387

AI Industry Association patent prior art found

The team at Unified used Pearl to successfully identify and chart prior art against U.S. Patent 11,257,272, owned by the Artificial Intelligence Industry Association Incorporated, an NPE.  The ‘272 patent generates synthetic images, depth information, and optical flow data by assembling virtual objects into scenes and capturing them from realistic perspectives, defined by specific camera settings. It has been asserted against Osaro, Parallel Domain, CERES AI, MVision AI, Topaz Labs, Elementary Robotics, and Geisel Software.

Identified Prior Art

• US 20180077376

• US 20190251397

• US 20200089954

• Training Deep Networks with Synthetic Data Bridging the Reality Gap by Domain Randomization

• US 9665800

• US 10635844

Four more Bunker Hill EV patents prior art found

Unified Patents plans to release charted prior art on Bunker Hill patents weekly until its assertion of invalid patents ceases. With the four patents below, Unified has released eight total charts within the last few weeks.

• U.S. Patent 10,442,296

• U.S. Patent 8,487,582

• U.S. Patent 8,326,467

• U.S. Patent 8,030,884

Using Pearl, we have successfully identified and charted prior art against patents owned by Bunker Hill, an NPE and entity of Dominion Harbor Enterprises. U.S. Patent 7,446,797 generally focuses on a surveillance system optimization method based on user-defined environmental characterizations. U.S. Patent 9,809,121 generally focuses on charging and power management involving a bi-directional buck/boost converter connected to a battery. U.S. Patent 7,723,932 generally outlines a propulsion system for vehicles. U.S. Patent 7,960,857 generally pertains to a vehicle-based uninterruptible power supply (UPS) system.

Identified Prior Art on U.S. Patent 7,446,797 (click to download chart)

• US 20040240542

• US 20010033330

• US 20010010542

• US 6970576

Identified Prior Art on U.S. Patent 9,809,121 (click to download chart)

• US 20080180058

• US 20090079389

• US 20090059630

• JP 2003047161

• US 20060152085

• JP 2000102177

Identified Prior Art on U.S. Patent 7,723,932 (click to download chart)

• US 20030019674

• US 6048289

• US 20070012493

• WO 2007031676

• US 7208894

Identified Prior Art on U.S. Patent 7,960,857 (click to download chart)

• US 20070068714

• US 20080277175

• US 20080094013

Morris Routing network patent found invalid

On December 9, 2025, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate cancelling all challenged claims of U.S. Patent 12,058,042, owned and asserted by Morris Routing Technologies, LLC, an NPE. The ‘042 patent relates to path-based data routing in a network. It was asserted against Verizon, Samsung, T-Mobile, and AT&T. 

View district court litigations by Morris Routing. Unified was represented by Michael Jones and Jake Rosvold of Rothwell Figg 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/90019911

Mimzi voice interaction patent challenge instituted

On December 4, 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 9,792,361, owned and asserted by Mimzi, LLC, an NPE. The ’361 patent relates to using a phone to record phone calls, meetings, and dictation, and to store associated metadata, audio, and/or speech-recognized text in a centralized, content-searchable repository. It has been asserted against Nissan, Ford, Hyundai, Mercedes-Benz AG, Honda, and Subaru.

View district court litigations by Mimzi. Unified is represented by in-house counsel, Kyla Butler and Alyssa Holtslander, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90015642