US PTAB IP Litigation

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

· IPR2025-00165

Samsung and SiOnyx have settled their dispute over U.S. Patent 9,905,599 and jointly moved to terminate the inter partes review, requesting the settlement be kept confidential.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung Electronics and SiOnyx settled their dispute, leading the PTAB to terminate the inter partes review of U.S. Patent No. 10,224,359 before institution. The settlement agreements were ordered confidential.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung and SiOnyx have settled their dispute over Patent 10,224,359 and jointly moved to terminate the inter partes review, requesting the settlement be kept confidential.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung and SiOnyx reached a settlement that terminated the inter partes review of U.S. Patent 10,224,359 before the trial was instituted. The Board ordered the settlement and related license agreement to be kept confidential.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung and SiOnyx have settled their dispute over U.S. Patent 10,224,359 and jointly moved to terminate the pending inter partes review, requesting the settlement be kept confidential.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

· IPR2025-00164

Samsung and SiOnyx settled their inter partes review disputes before the PTAB instituted the trial. The Board granted the joint motion to terminate and ordered the settlement documents to be kept confidential.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

· IPR2025-00165

Samsung and patent‑owner SiOnyx settled their IPR dispute over U.S. Patent 9,905,599 before a trial began. The Board granted a joint motion to terminate and ordered the settlement documents to be kept confidential.

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

· IPR2025-00228

Micron has filed an IPR petition targeting YMTC’s 3D NAND ‘276 patent, asserting that all 18 claims are obvious over Kim, Fang, Han, and Chen. The petition argues no discretionary denial applies and seeks institution.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

· IPR2025-00165

Samsung has filed an IPR petition seeking cancellation of all 36 claims of SiOnyx’s ’599 image‑sensor patent, asserting that each claim is obvious over a suite of prior‑art references. The petition also argues that discretionary denial is inappropriate given the lack of prior petitions and a stayed ITC case.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung has filed an IPR petition seeking cancellation of 79 claims of SiOnyx’s image‑sensor patent, arguing anticipation and obviousness over Hwang and other references, and urging the Board to deny any discretionary denial.

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

· IPR2025-00229

Micron has filed an IPR petition challenging 15 claims of Yangtze Memory’s 3D NAND ‘838 patent, arguing they are obvious over several prior‑art references and that the Board should not exercise discretionary denial.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

· IPR2025-00164

Samsung has filed an IPR petition seeking cancellation of all 25 claims of SiOnyx’s 9,064,764 light‑trapping image sensor patent, arguing that each claim is anticipated or obvious over multiple prior‑art references.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung has filed an IPR petition to cancel 79 claims of SiOnyx’s 10,224,359 image‑sensor patent, asserting that the claims are anticipated or obvious over Iida and other prior art. The petition also argues that a discretionary denial would be improper.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

· IPR2025-00164

Court decision.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

Samsung Electronics filed a petition to challenge SiOnyx's U.S. Patent No. 10,224,359.

Samsung Electronics Co., Ltd. et al. v.SiOnyx, LLC

patent instituted · Nov 29, 2024

Court decision.

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.

Precision Cancer Technologies Inc. v.Oncoustics Inc.

Precision Cancer Technologies has requested a PTAB Director Review of IPR2025-00242. The Patent Owner, Oncoustics, is limited to a brief response within five days, with no new evidence allowed.

Precision Cancer Technologies Inc. v.Oncoustics Inc.

patent denied · Nov 27, 2024

Precision Cancer Technologies seeks a Director Review after the PTAB denied institution of an IPR on its AI‑driven ultrasound patent. The petitioner claims the Board erred factually and legally by demanding proof beyond the expert testimony that the prior art discloses a single‑frame ultrasound data set.

Precision Cancer Technologies Inc. v.Oncoustics Inc.

Oncoustics successfully defended the Board’s decision to deny institution of an IPR filed by Precision Cancer Technologies. The patent owner showed the petitioner failed to prove the primary reference disclosed a single static set of raw RF ultrasound data, and the petitioner’s new arguments were untimely.

Precision Cancer Technologies Inc. v.Oncoustics Inc.

patent denied · Nov 27, 2024

Court decision.

Cellco Partnership d/b/a Verizon Wireless et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00138

The PTAB denied the Director Review requests for several IPRs, including the challenge to Pegasus Wireless Innovation's patent 10,181,931, leaving the earlier institution denials in place.

Cellco Partnership d/b/a Verizon Wireless et al. v.Pegasus Wireless Innovation LLC

· IPR2025-00138

Verizon and other carriers filed a petition for Director Review after the PTAB denied institution of an IPR against KT Corp.’s wireless patent. They claim the Board misapplied Fintiv factors and retroactively changed guidance, violating due process. The petition seeks reversal of the discretionary denial.