Judge Profile

Ken B. Barrett

84 IP cases indexed. Covers patent matters.

Cases Presided Over

84 cases indexed | Page 2 of 3

patent denied

MPL Brands NV, Inc. v.BuzzBallz, LLC

· IPR2024-01000

The PTAB denied MPL Brands NV's request to institute Inter Partes Review against BuzzBallz LLC's patent. The denial was based on the IPR petition being filed prematurely while a concurrent Post-Grant Review proceeding was active.

patent instituted

MPL Brands NV, Inc. v.BuzzBallz, LLC

· IPR2024-01098

MPL Brands NV successfully petitioned to institute IPR against BuzzBallz, LLC regarding container design patents. The Board found a reasonable likelihood of unpatentability based on anticipation and obviousness over prior art references like Kick. Trial is now pending for the challenged claims.

patent instituted

Reed Semiconductor Corporation v.Monolithic Power Systems, Inc.

· IPR2024-01158

The PTAB institution decision found a reasonable likelihood of prevailing for the Petitioner in challenging claims related to step-down regulators. The challenge centered on anticipation and obviousness over prior art, specifically regarding pseudo constant on time (PCOT) control circuits.

patent denied

New Balance Athletics, Inc. v.Nike, Inc.

· IPR2025-00020

New Balance Athletics, Inc.'s IPR petition against Nike's footwear patent was denied by the PTAB. The Board found that Petitioner failed to demonstrate a reasonable likelihood of prevailing in its obviousness challenges over multiple prior art references.

patent denied

Skechers U.S.A., Inc. v.Nike, Inc.

· IPR2025-00141

The PTAB denied Skechers' petition for IPR against Nike, finding that the petitioner failed to demonstrate material error regarding prior art already considered by the Examiner. This decision reinforces the strict application of the Advanced Bionics standard in discretionary denial proceedings.

patent instituted

Skechers U.S.A., Inc. v.Nike, Inc.

· IPR2025-00142

The PTAB granted institution of Inter Partes Review for Skechers against Nike regarding a footwear patent (9730484). The Board determined that Skechers met the threshold by showing a reasonable likelihood of unpatentability over prior art references like Dua and Hong.

patent instituted

Skechers U.S.A., Inc. v.Nike, Inc.

· IPR2025-00141

The PTAB institution of IPR2025-00141, filed by Skechers against Nike, moves forward to challenge the patent's validity on grounds of anticipation (102) and obviousness (103). The Board found that Petitioner demonstrated a reasonable likelihood of prevailing after vacating an initial discretionary denial.

patent denied

Skechers U.S.A., Inc. v.Nike, Inc.

· IPR2025-00143

The PTAB denied institution of an IPR petition filed by Skechers against Nike, finding the claims lacked reasonable likelihood of prevailing based on obviousness grounds (103). The Board adopted the Patent Owner's narrow construction of 'article of footwear,' which was critical to the denial.

patent denied

Skechers U.S.A., Inc. v.Nike, Inc.

· IPR2025-00144

Skechers' IPR challenge against Nike regarding knit textile footwear was denied by the PTAB. The Board found no reasonable likelihood of prevailing on obviousness grounds, despite adopting the patent owner's claim construction for 'article of footwear.'

patent denied

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

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

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

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

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

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

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 denied

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

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 terminated or settled

SCOUT ENERGY MANAGEMENT, LLC et al. v.Pilot Intellectual Property, LLC et al.

· IPR2024-00385

Scout Energy Management and Chevron settled with Pilot Intellectual Property, resulting in a joint motion that terminated the IPR on patent 8,505,332. The Board granted the termination and kept the settlement confidential.

patent denied

MediaTek Inc. et al. v.MOSAID Technologies Inc.

· IPR2024-00721

The PTAB denied MediaTek’s request for rehearing of its earlier decision denying institution of an IPR against MOSAID’s 9,350,349 patent covering power islands with plural sleep transistors. The Board found MediaTek’s arguments insufficient and no abuse of discretion.

patent denied

MediaTek Inc. et al. v.MOSAID Technologies Inc.

· IPR2024-00720

The PTAB denied MediaTek’s request for rehearing of its earlier decision denying institution of an IPR against MOSAID’s power‑island patent. The Board found the petitioner’s arguments about plural sleep transistors and POSITA knowledge unsubstantiated.

patent terminated or settled

MediaTek Inc. et al. v.MOSAID Technologies Inc.:

· IPR2024-00719

MediaTek and MOSAID settled their dispute over U.S. Patent 7,945,885, leading to the joint termination of four inter partes review proceedings. The Board granted confidentiality treatment for the settlement agreement while denying its separation from the IPR files.

patent terminated or settled

Anker Innovations Ltd. v.Powermat Technologies Ltd.

· IPR2024-00996

Anker Innovations and Powermat Technologies settled their IPR dispute over wireless charging patents, leading the PTAB to terminate the proceeding. No merits were decided.

patent denied

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

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 instituted

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 instituted

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 terminated or settled

MediaTek Inc. et al. v.MOSAID Technologies Inc.

· IPR2024-00598

MediaTek and MOSAID settled their dispute over U.S. Patent 7,051,306, leading the PTAB to terminate four related inter partes review proceedings. The settlement agreement was treated as business‑confidential information.

patent terminated or settled

MediaTek Inc. et al. v.MOSAID Technologies Inc.

· IPR2024-00600

MediaTek and MOSAID settled their dispute over U.S. Patent 8,854,077, leading to the termination of four inter partes review proceedings. The Board granted the joint motion to terminate and treated the settlement agreement as confidential business information.

patent denied

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.

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