Judge Profile

Jo-Anne M. Kokoski

90 IP cases indexed. Covers patent matters.

Cases Presided Over

90 cases indexed | Page 3 of 3

patent denied

Solus Advanced Materials Co., Ltd. et al. v.SK nexilis Co., Ltd.

· IPR2025-00005

Solus Advanced Materials Co., Ltd.'s request for rehearing was denied by the PTAB, upholding the initial decision to deny institution of IPR against SK nexilis's copper foil patent.

patent denied

Solus Advanced Materials Co., Ltd. et al. v.SK nexilis Co., Ltd.

· IPR2025-00005

Solus Advanced Materials Co. lost its request for rehearing after the PTAB denied institution of IPR against SK nexilis regarding copper foil patents.

patent denied

Solus Advanced Materials Co., Ltd. et al. v.SK nexilis Co., Ltd.

· IPR2025-00005

The PTAB denied the IPR petition against claims 1-4 of U.S. Patent No. 9,457,541, finding that the combination of prior art references did not render the copper foil obvious. The Board ruled that the petitioner failed to demonstrate a reasonable expectation of success when combining properties from materially different sources.

patent denied

Innoscience America, Inc. et al. v.Infineon Technologies Americas Corp.

· IPR2025-00010

The PTAB denied Innoscience America's petition to institute IPR against Infineon Technologies regarding patent 9070755. The Board found that factors favoring discretionary denial, such as overlap with a parallel ITC investigation, outweighed arguments for institution.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00034

Micron Technology successfully petitioned to challenge key claims in a semiconductor memory patent held by Yangtze Memory Technologies, leading to institution at the PTAB. The Board focused on obviousness (103) over Nakajima, balancing technical merits with parallel litigation factors.

patent denied

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00035

Micron Technology's IPR challenge against Yangtze Memory Technologies regarding 3D memory structures was denied by the PTAB. The Board found that Micron failed to demonstrate a reasonable likelihood of success on its obviousness grounds over prior art combinations.

patent instituted

Innoscience America, Inc. et al. v.Infineon Technologies Americas Corp.

· IPR2025-00094

The PTAB granted institution of IPR for Innoscience America against Infineon Technologies, challenging 16 claims related to merged cascode transistors. The Board found a reasonable likelihood of unpatentability based on prior art combinations.

patent instituted

Yangtze Memory Technologies Company, Ltd. v.Micron Technology, Inc. et al.

· IPR2025-00098

Yangtze Memory Technologies Company successfully convinced the PTAB to institute proceedings against Micron Technology for patent infringement. The Board found that Petitioner showed a reasonable likelihood of prevailing on at least one claim, despite arguments regarding foreign state actor status and RPI issues.

patent instituted

YANGTZE MEMORY TECHNOLOGIES COMPANY, LTD. v.Micron Technology, Inc. et al.

· IPR2025-00099

Yangtze Memory Technologies (YMTC) successfully petitioned to challenge Micron Technology's patent, leading the Board to institute the IPR. The petitioner argued that prior art disclosed or suggested key elements of flash memory technology. This decision allows YMTC to proceed with challenging claims related to semiconductor device structures.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00117

The PTAB granted institution of IPR for Micron against Yangtze Memory Technologies regarding 3D NAND memory claims. The Board found a reasonable likelihood of prevailing on obviousness grounds over Kim, Park, and Fang.

patent denied

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00119

The PTAB denied Micron's second IPR petition against Yangtze Memory's 3D memory patent (10,879,254), citing the overlap of asserted prior art knowledge with a previously instituted review.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00118

Micron Technology successfully petitioned the PTAB to challenge Yangtze Memory Technologies' patent, securing institution on multiple grounds of obviousness (103) and novelty (102). The Board found sufficient evidence that combinations of prior art references would render the claims unpatentable.

patent instituted

Innoscience America, Inc. et al. v.Infineon Technologies Americas Corp.

· IPR2025-00175

The PTAB instituted the IPR challenge by Innoscience America against Infineon Technologies' patent covering semiconductor devices. The Board found a reasonable likelihood of anticipation for several claims over the prior art reference Usui, while also finding merit in the obviousness arguments.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00189

Micron Technology successfully petitioned the PTAB to challenge a key claim in Yangtze Memory Technologies' patent. The Board granted institution based on obviousness over prior art references like Kim and Nam, advancing the dispute into an active IPR phase.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00190

Micron Technology initiated an IPR against Yangtze Memory Technologies regarding NAND Flash memory claims, challenging the patent on grounds of anticipation and obviousness. The Board found a reasonable likelihood of unpatentability for several key claims over prior art (Dong), leading to the institution of the proceeding.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00191

Micron Technology successfully challenged several claims in the NAND Flash patent, establishing a reasonable likelihood of prevailing on its obviousness grounds. The Board found that modifying TAC shapes and implementing dummy channels were simple advancements supported by prior art.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· PGR2025-00021

Micron Technology successfully instituted PGR against Yangtze Memory Technologies regarding a patent on 3D memory structures. The Board found that the petitioner sufficiently demonstrated obviousness over prior art references Kim and Lee for multiple claims. This moves the dispute into trial phase, raising significant stakes in semiconductor technology licensing.

patent instituted

AdvanCell Pty Ltd. v.Sciencons AS et al.

· PGR2025-00029

AdvanCell Pty Ltd.'s PGR against Sciencons AS et al. was instituted by the PTAB, finding sufficient evidence that several claims are unpatentable. The Board adopted Petitioner's interpretation of a key time-based limitation in Claim 20 during the institution phase.

patent instituted

AdvanCell Pty Ltd. v.Sciencons AS et al.

· PGR2025-00040

AdvanCell Pty Ltd.'s PGR petition against Sciencons AS et al. was instituted by the PTAB, leading to a trial on grounds of anticipation and obviousness (102/103) and indefiniteness (112). The Board preliminarily adopted all three constructions proposed by the Petitioner for element [1.C], setting up complex claim construction issues for trial.

patent terminated or settled

Capital One, National Association et al. v.--

· IPR2024-00643

Hulu and Capital One settled their dispute with patent owner Implicit over U.S. Patent 8,056,075 B2. The PTAB granted a motion to terminate the IPR and ordered the settlement agreements kept confidential.

patent terminated or settled

Hulu LLC et al. v.--

· IPR2024-00787

Hulu and Capital One settled their IPR dispute with patent owner Implicit, leading the PTAB to terminate the proceeding before trial. The Board granted motions to keep the settlement agreements confidential.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2024-00788

The PTAB has instituted an inter partes review of Micron's challenge to Yangtze Memory’s 3D NAND patent, finding a reasonable likelihood of success on obviousness over the Toyama reference.

patent terminated or settled

Capital One, National Association v.--

· IPR2024-00878

Capital One and Implicit, LLC settled their IPR dispute over a payment‑card fraud patent, leading the PTAB to terminate the proceeding before a trial was instituted.

patent denied

Innoscience America, Inc. et al. v.Infineon Technologies Austria AG

· IPR2025-00721

The PTAB denied Innoscience's petition to institute IPR against Infineon's 9,899,481 B2 patent covering compound semiconductor power components, finding no reasonable likelihood of success on any of the 17 challenged claims.

patent instituted

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00228

Micron Technology successfully secured the institution of an IPR against Yangtze Memory Technologies' patent 11,101,276 B2. The Board found a reasonable likelihood that Micron can prove obviousness over prior art references like Kim and Fang.

patent denied

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00244

Micron Technology's IPR petition against Yangtze Memory Technologies was denied by the PTAB. The Board found that Micron failed to demonstrate a reasonable likelihood of prevailing on the merits, specifically regarding obviousness over prior art Costa in 3D memory technology.

patent denied

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00245

The PTAB denied institution of an IPR challenge brought by Micron Technology against Yangtze Memory Technologies regarding 3D memory device patents. The Board found the Petitioner failed to meet its burden of showing a reasonable likelihood of prevailing over prior art references.

patent instituted

Ajinomoto Co., Inc. v.AbTis Co., Ltd.

· IPR2025-00283

Ajinomoto Co., Inc. successfully convinced the PTAB to institute an IPR against AbTis Co., Ltd.'s patent (11896675) covering Antibody-Drug Conjugates (ADCs). The Board found sufficient evidence for institution on multiple grounds of anticipation and obviousness regarding claim 11.

patent denied

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2025-00294

The PTAB denied Micron's IPR petition against Yangtze Memory because the patent owner had successfully filed a statutory disclaimer covering all challenged claims related to 3D memory devices.

patent denied

Ecto World, LLC d/b/a Demand Vape et al. v.RAI Strategic Holdings, Inc. et al.

· PGR2024-00049

The PTAB denied the institution of a Post-Grant Review (PGR) petition challenging claims related to electrically-powered aerosol generators. The Board found that the petitioner failed to meet its burden of showing a likelihood of unpatentability, despite narrowing claim construction on 'smoking article' to devices containing tobacco.

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