Judge Profile

Ken B. Barrett

84 IP cases indexed. Covers patent matters.

Cases Presided Over

84 cases indexed | Page 3 of 3

patent denied

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 denied

TikTok Inc. et al. v.NTECH Properties, Inc.

· IPR2024-01338

TikTok's IPR petition against NTECH Properties was denied by the PTAB, failing to establish a reasonable likelihood of success on obviousness grounds. The Board found that Petitioner could not adequately teach or suggest key limitations from the cited prior art (Marcus156 and Ferman).

patent denied

TikTok Inc. et al. v.NTECH Properties, Inc.

· IPR2024-01339

TikTok's IPR challenge against NTECH Properties failed before the PTAB, with the Board denying all grounds of obviousness. The petitioner could not demonstrate that the cited prior art taught or suggested the limitations of the challenged claims in the video streaming patent.

patent instituted

TikTok Inc. et al. v.NTECH Properties, Inc.

· IPR2024-01340

TikTok Inc.'s IPR against NTECH Properties, Inc. was instituted by the PTAB, meaning trial will proceed on all challenged claims. The Board adopted a plain and ordinary meaning for 'media stream' while rejecting Petitioner’s arguments regarding specific claim limitations related to output signals.

patent instituted

TikTok Inc. et al. v.NTECH Properties, Inc.

· IPR2024-01342

The PTAB granted institution of IPR for TikTok against NTECH's patent 8886753, allowing trial on claims 1-10. The challenge centers on obviousness over prior art related to media programming and content delivery.

patent denied

TikTok Inc. et al. v.NTECH Properties, Inc.

· IPR2024-01341

TikTok Inc.'s IPR challenge against NTECH Properties failed, as the PTAB found insufficient evidence to establish obviousness over cited prior art. The Board rejected all grounds, concluding that TikTok could not satisfy the claim limitations using Whitehead or Cristofalo/Marcus '904.

patent denied

TikTok Inc. et al. v.NTECH Properties, Inc.

· IPR2024-01343

TikTok Inc.'s attempt to invalidate NTECH Properties' patents based on obviousness was denied by the PTAB. The Board found that TikTok failed to adequately explain how its technology satisfied the claim limitations over cited prior art, specifically regarding media feed selection.

patent instituted

ETN CAPITAL, LLC d/b/a BEECH LANE v.FBA Operating Co.

· IPR2024-01445

The PTAB institution decision found that the Petitioner had a reasonable likelihood of prevailing on all asserted grounds (Grounds 1-6). The patent, related to vehicle leveling systems using smart devices, was deemed potentially invalid based on obviousness (35 U.S.C. § 103) when combining prior art references like Thorpe and Clark.

patent denied

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

· IPR2025-00151

Skechers U.S.A., Inc.'s IPR challenge against Nike, Inc.'s footwear patent was denied by the PTAB. The Board found that Petitioner failed to meet the threshold burden of showing a reasonable likelihood of prevailing on any unpatentability challenge.

patent denied

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

· IPR2025-00150

Skechers U.S.A., Inc.'s IPR challenge against Nike, Inc.'s footwear patent was denied by the PTAB due to failure to meet the reasonable likelihood of prevailing standard. The Board rejected key claim constructions and found that prior art references did not adequately disclose the claimed integral knit tongue feature.

patent instituted

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 instituted

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

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

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 instituted

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 denied

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 denied

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 denied

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 instituted

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 denied

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 denied

BESTWAY (USA), INC. et al. v.Intex Marketing Ltd. et al.

· PGR2024-00036

Bestway challenged Intex's patent, but the PTAB denied institution because Intex had statutorily disclaimed all claims. The Board also declined to enter an adverse judgment against Intex.

patent instituted

MPL Brands NV, Inc. v.BuzzBallz, LLC

· PGR2024-00035

MPL Brands NV successfully petitioned for institution of its obviousness challenge against BuzzBallz's beverage container patent (11932441). The Board found that the design application introduced new matter, making the claims eligible for review.

patent terminated or settled

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

· IPR2024-00599

MediaTek and MOSAID reached a settlement that led to the joint termination of four inter partes review proceedings. The Board granted confidentiality treatment for the settlement agreement.

patent all challenged claims unpatentable

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.

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