US PTAB IP Litigation

patent all challenged claims unpatentable · Oct 24, 2024

The PTAB instituted an IPR against Netlist’s ’595 memory‑module patent after finding Samsung’s petition showed a reasonable likelihood of unpatentability based on obviousness over Hazelzet, JEDEC, Buchmann, and Kim references.

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

patent all challenged claims unpatentable · Oct 24, 2024

Samsung Electronics successfully challenged Netlist’s ’218 memory‑module patent in an IPR, with the PTAB finding all 22 claims unpatentable as obvious over prior‑art references.

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

The PTAB held that all 29 claims of Netlist’s ’623 memory‑module patent are unpatentable as obvious over prior art, in a decision favoring Samsung’s SK Hynix petitioners.

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

Court decision.

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

The PTAB denied Samsung’s request for Director Review of the institution decisions in two IPRs against Netlist’s memory‑module patents, keeping the institution rulings in place.

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

Samsung has filed an IPR petition seeking to invalidate Netlist’s 11,880,319 patent covering memory‑module signaling. The petition relies on obviousness over Hazelzet combined with JEDEC, Buchmann, Wang, and Kim references, and cites prior IPR estoppel. The Board has yet to rule.

Fortinet, Inc. v.Croga Innovations Ltd.

· IPR2025-00086

Fortinet has filed a petition for inter partes review of Croga Innovations' U.S. Patent 10,601,780, asserting that all 20 claims are obvious over prior‑art firewalls and virtualization systems. The petition argues that discretionary denial is inappropriate and seeks institution of the IPR.

Fortinet, Inc. v.Croga Innovations Ltd.

· IPR2025-00086

Fortinet's attempt to invalidate Croga Innovations Ltd.'s patent on network security claims was denied by the PTAB. The Board found that Fortinet failed to demonstrate obviousness over prior art, specifically Delco and Adams. This denial maintains the validity of key virtualization and firewall technology for Croga.

Amazon.com, Inc. et al. v.B.S.D. Crown, Ltd.

Amazon's IPR petition against B.S.D. Crown, Ltd. was denied after the Board maintained its finding that Petitioner lacked a reasonable likelihood of prevailing on the merits. The denial hinged on the Board adopting a conjunctive construction for key claim terms and finding no prior art disclosed all necessary components.

Amazon.com, Inc. et al. v.B.S.D. Crown, Ltd.

Amazon's request for Director Review regarding the institution denial of patent 8934887 was denied. Although the Board misapprehended one figure, the Panel upheld the conjunctive claim construction based on the full intrinsic record.

Amazon.com, Inc. et al. v.B.S.D. Crown, Ltd.

Amazon's attempt to invalidate B.S.D. Crown's '887 patent failed before the PTAB, with the Board denying the IPR petition. The denial hinged on Amazon failing to adequately address a key claim construction—the conjunctive nature of an element related to hardware action.

Amazon.com, Inc. et al. v.B.S.D. Crown, Ltd.

patent instituted · Oct 24, 2024

The Director granted review and vacated the denial of institution in an Amazon v. B.S.D. Crown IPR, remanding the case for further proceedings to resolve a disputed claim term.

Dr. Falk Pharma GmbH v.Ellodi Pharmaceuticals LP

· IPR2025-00056

Dr. Falk Pharma GmbH successfully challenged a pharmaceutical patent (11260061) in an IPR, showing a reasonable likelihood of prevailing on grounds of obviousness (§ 103). The Board's decision hinged on extensive claim construction, particularly defining 'adsorbed onto a pharmaceutically acceptable carrier.'

patent instituted · Oct 24, 2024

Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.

patent terminated or settled · Oct 22, 2024

Samsung Electronics successfully secured institution in this IPR, challenging all 20 claims of Netlist's patent (11880319) based on obviousness and anticipation. The Board found that the Petitioner demonstrated a reasonable likelihood of unpatentability over various combinations of prior art, including Hazelzet, JEDEC, Buchmann, Wang, and Kim. This decision sets a strong precedent for challenging memory module initialization claims using industry standards and technical literature.

Amazon.com, Inc. et al. v.Nokia Technologies Oy

patent terminated or settled · Oct 22, 2024

Amazon and Nokia have settled their dispute over a Nokia wireless‑technology patent and jointly moved to terminate the IPR, requesting that the settlement be kept confidential.

Amazon.com, Inc. et al. v.Nokia Technologies Oy

patent terminated or settled · Oct 22, 2024

Amazon and Nokia settled their dispute over U.S. Patent 9,571,833 and jointly moved to terminate the inter partes review.

Amazon.com, Inc. et al. v.Nokia Technologies Oy

Amazon and Nokia filed a joint motion to terminate the IPR on patent 9,571,833 after instituting the review. The Board granted the termination and partially approved confidentiality of the settlement documents.

patent · Oct 22, 2024

MediaTek, Inc. et al. v.Redstone Logics LLC

· IPR2025-00085

MediaTek has filed an IPR petition seeking to invalidate 12 claims of Redstone Logics’ ’339 patent covering multi‑core processor voltage and clock management, arguing obviousness over several prior‑art references and urging the Board to institute the review.

patent · Oct 22, 2024

Amazon.com, Inc. et al. v.Nokia Technologies Oy

patent denied · Oct 22, 2024

Amazon has filed an IPR petition challenging Nokia’s 9,571,833 patent on HEVC motion‑vector prediction, arguing obviousness over Rusert/Zheng and Nakamura/WD4 and disputing the examiner’s allowance.

patent · Oct 22, 2024

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

· IPR2025-00010

Innoscience America petitions the PTAB to institute an IPR against Infineon's 9,070,755 transistor patent, seeking cancellation of all 14 claims on the basis of anticipation and obviousness over Fujishima and related prior art. The petition argues that discretionary denial is improper and requests the Board find the claims unpatentable.

MediaTek, Inc. et al. v.Redstone Logics LLC

· IPR2025-00085

The PTAB denied institution for an IPR challenge against Redstone Logics LLC's patent, finding that the petitioner failed to demonstrate a reasonable likelihood of prevailing on obviousness grounds. The dispute centered on multi-core processor design and clock ratio controllers.

patent denied · Oct 22, 2024

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 · Oct 22, 2024

Amazon.com, Inc. et al. v.Nokia Technologies Oy