Judge Profile

Ken B. Barrett

84 IP cases indexed. Covers patent matters.

Cases Presided Over

84 cases indexed | Page 1 of 3

patent denied · Nov 4, 2025

American Airlines, Inc. et al. v.Intellectual Ventures I LLC

· IPR2025-00786

American Airlines and Southwest Airlines failed to invalidate Intellectual Ventures I LLC's patent covering virtual community networks and IP routing. The PTAB denied the petition, finding that the petitioner could not persuasively demonstrate obviousness over prior art references like Caronni-I and RFC-1383.

patent denied · Oct 31, 2025

Apple Inc. v.HBCU Messaging US LP

· IPR2026-00107

Apple’s petition to invalidate a patent was denied by the PTAB because it failed to show a reasonable likelihood of success on any of the 14 challenged claims. The Board found the obviousness arguments lacked the required particularity and rationale.

patent denied · Oct 31, 2025

Apple Inc. v.HBCU Messaging US LP

· IPR2026-00104

The PTAB denied Apple’s inter partes review petition against a load‑balancing patent, finding the obviousness arguments over Chow, Reiffin, and Kurowski insufficiently particularized. No claims were instituted or found unpatentable.

patent denied · Oct 31, 2025

Apple Inc. v.HBCU MESSAGING US LP

· IPR2026-00105

American Airlines and Southwest Airlines sought to invalidate a load‑balancing patent, alleging obviousness over three prior‑art references. The PTAB found the petition lacked the required particularity and denied institution of the IPR.

patent denied · Oct 10, 2025

American Airlines, Inc. et al. v.Intellectual Ventures II LLC

· IPR2026-00043

The PTAB denied American Airlines and Southwest Airlines’ petition to institute an IPR against Intellectual Ventures’ ’326 patent covering high‑data‑rate multi‑channel WLAN. The Board found no reasonable likelihood of success on any of the 18 challenged claims.

patent denied · Oct 4, 2025

American Airlines, Inc. et al. v.Intellectual Ventures I LLC

· IPR2025-00785

The PTAB denied institution for American Airlines and Southwest Airlines against Intellectual Ventures I LLC, finding the petitioner failed to meet the 'reasonable likelihood' standard under 35 U.S.C. § 314(a). The Board specifically rejected the obviousness arguments concerning partitioning and descriptions limitations based on prior art references Chow, Reiffin, and Kurowski.

patent all challenged claims unpatentable · Oct 3, 2025

Amazon.com, Inc. et al. v.AlmondNet, Inc.

· IPR2025-00545

The PTAB held that all of the claims challenged by Amazon in IPR2022‑01436 are unpatentable, finding them obvious over a combination of prior‑art references covering user profiling and ad targeting.

patent denied · Sep 5, 2025

American Airlines, Inc. et al. v.Intellectual Ventures I LLC

· IPR2025-00987

The PTAB denied the IPR petition filed by American Airlines and Southwest Airlines against Intellectual Ventures I LLC, finding that the petitioner failed to establish a reasonable likelihood of prevailing. The Board specifically rejected arguments regarding obviousness over combinations of prior art references like Lawson, Tsutsumitake, and Choquier in the dynamic routing network space.

patent instituted · Sep 5, 2025

Carbyne, Inc. et al. v.Tritech Software Systems et al.

· IPR2025-00959

Carbyne successfully instituted IPR proceedings against Tritech Software Systems regarding emergency SMS/geolocation technology. The Board found a reasonable likelihood of prevailing on multiple grounds of obviousness (103) over various combinations of prior art references, including Brooks and SARLOC.

patent instituted · Jun 4, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00742

Meta Platforms successfully petitioned to institute IPR against Mullen Industries LLC regarding augmented reality and location-based gaming claims. The Board found a reasonable likelihood of obviousness over Levesque and Ronzani, setting the stage for trial.

patent denied · May 24, 2025

American Airlines, Inc. et al. v.Intellectual Ventures I LLC

· IPR2025-01055

American Airlines and Southwest Airlines failed to institute their IPR against Intellectual Ventures' patent, as the Board found they could not meet the burden of proof regarding claim construction and obviousness. The denial hinged on the Petitioner’s failure to clearly articulate how it would construe key indefinite terms in its petition.

patent instituted · May 4, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00746

Meta Platforms, Inc. successfully convinced the PTAB that its claims against Mullen Industries LLC were non-obvious based on prior art (Levine). The Board instituted trial on all challenged claims related to location-based gaming and virtual reality features.

patent instituted · May 4, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00745

Meta Platforms successfully convinced the PTAB that its claims are obvious over prior art referencing location-based games. The Board found a reasonable likelihood of prevailing on obviousness for multiple claims across two patents.

patent denied · Apr 30, 2025

American Airlines, Inc. et al. v.Intellectual Ventures II LLC

· IPR2025-00931

American Airlines and Southwest Airlines failed to convince the PTAB that Intellectual Ventures' claims regarding distributed OS image management were unpatentable. The Board denied institution, finding the petitioner did not meet the reasonable likelihood standard against combinations of prior art references.

patent denied · Apr 30, 2025

American Airlines, Inc. et al. v.Intellectual Ventures II LLC

· IPR2025-00782

American Airlines and Southwest Airlines failed to convince the PTAB that their challenged claims were unpatentable. The Board denied institution because the Petitioners could not provide sufficient rational underpinning against prior art references like Bruner and Clark, particularly regarding technical limitations.

patent instituted · Apr 18, 2025

Amazon.com, Inc. et al. v.Datonics LLC

· IPR2025-00873

Amazon initiated an IPR against Datonics LLC's patent (US 10984445) concerning profile-based behavioral targeting. The PTAB decided to institute the proceeding, finding a reasonable likelihood that at least one claim is unpatentable as obvious over prior art combinations.

patent denied · Apr 11, 2025

Apple Inc. v.HBCU Messaging US LP

· IPR2026-00109

American Airlines and Southwest Airlines sought to invalidate a load‑balancing patent, but the PTAB denied institution, finding the obviousness arguments insufficiently specific. The petition relied on Chow, Reiffin, and Kurowski references, which the Board said did not adequately teach the claimed features.

patent instituted · Apr 4, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00743

Meta Platforms successfully secured institution at the PTAB regarding its challenge to Mullen Industries' patent covering head-mounted displays and interactive systems. The Board found a reasonable likelihood of prevailing on multiple grounds, including obviousness (103) based on combinations of prior art.

patent instituted · Mar 27, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00744

Meta Platforms initiated an IPR against Mullen Industries LLC's patent covering Augmented Reality systems and Head-Mounted Displays. The PTAB issued an institution decision, finding a reasonable likelihood of prevailing on at least one challenged claim based on obviousness over Fager and Martins.

patent instituted · Mar 26, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00741

Meta Platforms successfully convinced the PTAB to institute review on all four claims of Patent No. 11376493 against Mullen Industries LLC, based on obviousness grounds (103). The Board clarified key claim terms, specifically defining 'physical playfield' broadly to encompass both bounded and unbounded spaces.

patent instituted · Mar 26, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00740

Meta Platforms successfully secured the institution of IPRs against Mullen Industries LLC's patents related to Location-based Augmented Reality Systems. The Board found a reasonable likelihood of unpatentability on obviousness for key claims, particularly regarding the scope of 'physical playfield.'

patent instituted · Mar 26, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00738

Meta Platforms successfully secured institution in this IPR against Mullen Industries' location-based AR patent. The Board adopted a broad construction of 'physical playfield,' favoring the petitioner’s argument that it does not need to be bounded.

patent instituted · Mar 25, 2025

Meta Platforms Inc. v.Mullen Industries LLC

· IPR2025-00739

The PTAB granted institution of IPR for Meta Platforms against Mullen Industries regarding location-based gaming patents. The Board found a reasonable likelihood of unpatentability over Jaszlics and Rallison.

patent instituted · Mar 25, 2025

Meta Platforms, Ic. v.Mullen Industries LLC

· IPR2025-00737

Meta Platforms, Inc. successfully navigated the institution phase of an IPR against Mullen Industries LLC's patent (8585476). The PTAB found a reasonable likelihood of prevailing on multiple claims based on obviousness over prior art combinations.

patent instituted · Mar 25, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00703

Meta Platforms successfully petitioned to challenge Mullen Industries' patent in an IPR proceeding concerning location-based gaming technology. The PTAB found a reasonable likelihood of prevailing on at least one challenged claim, leading to the institution of the review.

patent instituted · Mar 25, 2025

Meta Platforms, Inc. v.Mullen Industries LLC

· IPR2025-00702

Meta Platforms successfully secured the institution of IPR against Mullen Industries' patent 10967270, challenging five claims based on obviousness over Nakamura and Benini.

patent denied · Mar 2, 2025

Alliance Laundry Systems, LLC v.PayRange LLC.

· IPR2025-00573

Alliance Laundry Systems' IPR petition against PayRange LLC was denied, finding no reasonable likelihood that claims 7 and 11 were unpatentable under 35 U.S.C. § 103. The Board rejected arguments combining prior art references (Low, Arora, Freeny, Casey) to establish obviousness.

patent instituted · Dec 1, 2024

lululemon usa inc. et al. v.Nike, Inc.

· IPR2024-00460

lululemon successfully petitioned to challenge Nike's patent (8266749) before the PTAB. The Board found a reasonable likelihood of success regarding anticipation and obviousness grounds, leading to institution of the IPR.

patent Final Written Decision · Dec 1, 2024

lululemon usa inc. et al. v.Nike, Inc.

· IPR2024-00460

The PTAB issued a Final Written Decision finding all 21 challenged claims unpatentable. The Board determined that the prior art (Nishida and Zuckerman) anticipated or rendered obvious the claimed textile manufacturing methods, specifically regarding simultaneous knitting and planar configuration.

patent final · Dec 1, 2024

Ericsson Inc. et al. v.General Access Solutions, Ltd.

· IPR2024-00392

The PTAB found claims 28 and 29 unpatentable over Vornefeld and Atsuta under 103. The Board concluded that combining the prior art references was an obvious design choice to reduce system complexity in fixed wireless access networks.

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