Prior Art

Radiant Patents optical networking patents prior art found

The team at Unified used Pearl to successfully identify and chart prior art against U.S. Patent 10,623,095 and U.S. Patent 11,431,431, owned and asserted by Radiant Patents LLC (f/k/a PLS XLIV LLC), an NPE and entity of MVRE LLC. The patents have been asserted against Nokia. The ‘095 patent relates to signal detection device for WDM optical communication systems. The ‘431 patent relates to an optical wavelength-path communication node, essentially an add/drop multiplexer for optical networks.

Identified Prior Art on U.S. Patent 10,623,095 (click to download chart)

Identified Prior Art on U.S. Patent 11,431,431 (click to download chart)

$4,000 awarded for Radiant Patents optical patents prior art

Unified is pleased to announce PATROLL crowdsourcing contest winners below totaling $4,000 in cash prizes. The patents are owned and asserted by Radiant Patents LLC (f/k/a PLS XLIV LLC), an NPE and entity of MVRE LLC. The patents have been asserted against Nokia.

We would also like to thank the dozens of other high-quality submissions that were made on these patents. 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 10924188 - Digital Signal Modulation

Winner - Umesh Kumar

Winning Submission: “Rate-Adaptive Modulation and Low-Density Parity-Check Coding for Optical Fiber Transmission Systems,” Gho and Kahn (2012)

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US 10404366 - Monitoring Optical Signals

Winners - Umesh Kumar, Pankaj Kumar

Winning Submissions: US 8805185; US 6529316; JP 2000041026

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$4,000 awarded for Key Patent Innovations entity, Malikie Innovations, cryptographic patents prior art

Unified is pleased to announce PATROLL crowdsourcing contest winners below totaling $4,000 in cash prizes. The patents are owned by Malikie Innovations Limited, an NPE and entity of Key Patent Innovations. The patents generally relate to cryptographic systems. The ‘062 patent has been asserted against MARA Holdings, Core Scientific, and Foundry Digital LLC.

We would also like to thank the dozens of other high-quality submissions that were made on these patents. 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 7020281 - Timing Attack Resistant Cryptographic System

Winner - Umesh Kumar

Winning Submissions: "Speeding up the computations on an elliptic curve using addition-subtraction chains" by François Morain and Jorge Olivos (1990); Minimum weight modified signed-digit representations and fast exponentiation,” by Jedwab, J. & Mitchell, C.J. (1989); Speeding up Elliptic Cryptosystems by Using a Signed Binary Window Method" by Kenji Koyama and Yukio Tsuruoka (1993)

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US 8666062 - Performing Finite Field Calculations

Winners - Umesh Kumar & Ketan Sachdeva

Winning Submissions: US 7069287; “Elliptic Curve Cryptography on Smart Cards Without Coprocessors,” Adam D. Woodbury, Daniel V. Bailey, and Christof Paar (2000)

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K.Mizra communication patents prior art found

The team at Unified used Pearl to successfully identify and chart prior art against U.S. Patent 9,235,259 and U.S. Patent 9,602,649, owned by K.Mizra LLC, an NPE. The ‘259 patent relates detecting short “tick” sounds in noisy audio using a two-stage process. The ‘649 patent relates to a device-proximity/event-matching method using synchronized sensor triggers and audio comparison.

Identified Prior Art on U.S. Patent 9,235,259 (click to download chart)

Identified Prior Art on U.S. Patent 9,602,649 (click to download chart)

$2,000 awarded for Cogent Insights Licensing retail patent prior art

Unified is pleased to announce PATROLL crowdsourcing contest winner, Umesh Kumar, who was awarded $2,000 for their prior art submission on U.S. Patent 9,794,797, owned by Cogent Insights Licensing Inc., an NPE. The '797 patent relates to secure transaction management and electronic rights protection. The invention enables secure distribution and control of electronic information via a virtual distribution environment, bolstered by tamper-resistant hardware for enhanced node security. It is involved in a declaratory judgement case with Hisense USA.

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 SUBMISSIONS