Industry Sector

Computer memory — US PTAB Patent Cases

44 decisions indexed

Page 2 of 2 · 44 total

patent all challenged claims unpatentable

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

· IPR2025-01431

The PTAB held that Samsung and its co‑petitioners proved all 35 claims of Netlist’s ’339 memory‑module patent were obvious over the Ellsberry and Halbert references, rendering the claims unpatentable.

patent all challenged claims unpatentable

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

· IPR2025-01431

Samsung and its affiliates successfully challenged all 15 claims of Netlist’s ’417 memory‑module patent in an IPR, finding them obvious over Perego and JEDEC DDR2 standards. The Board adopted the petitioner’s claim constructions and dismissed the patent owner’s defenses.

patent all challenged claims unpatentable

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

· IPR2025-01431

The PTAB’s Final Written Decision invalidated all 30 claims of Netlist’s ’054 Flash‑DRAM hybrid memory module patent after Samsung and Micron proved the claims were obvious over Harris, JEDEC FBDIMM standards, Amidi, and Hajeck references.

patent all challenged claims unpatentable

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

· IPR2026-00017

The PTAB issued a Final Written Decision invalidating all 30 claims of Netlist’s ’054 flash‑DRAM hybrid memory patent. Samsung successfully showed the claims were obvious over Harris, JEDEC FBDIMM standards, Amidi’s battery‑backup design, and Hajeck’s power‑anomaly protection.

patent all challenged claims unpatentable

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

· IPR2026-00017

The PTAB held that Samsung and its co‑petitioners proved all 34 claims of Netlist’s ’060 patent obvious over prior art. The Board adopted key claim constructions and invalidated the entire patent.

patent all challenged claims unpatentable

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

· IPR2026-00017

Samsung and its affiliates successfully challenged all twenty claims of Netlist’s ’160 memory‑package patent. The PTAB held the claims obvious over the Kim, Rajan, and Wyman references and declared them unpatentable.

patent all challenged claims unpatentable

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

· PGR2025-00071

The PTAB issued a Final Written Decision in Samsung’s PGR, finding all 30 claims of Netlist’s ’054 hybrid memory module patent unpatentable as obvious over prior art.

patent all challenged claims unpatentable

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

· PGR2025-00071

The PTAB held that Samsung and its co‑petitioners proved all 15 claims of Netlist’s ’417 memory‑module patent obvious over the Perego disclosure and the JEDEC DDR2 standard, rendering the claims unpatentable.

patent all challenged claims unpatentable

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

· PGR2025-00071

Samsung successfully challenged Netlist’s ’912 patent, with the PTAB finding claim 16 unpatentable as obvious over the Ellsberry reference.

patent all challenged claims unpatentable

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

· PGR2026-00001

The PTAB held that Samsung and its co‑petitioners proved the Netlist ’054 flash‑DRAM hybrid memory claims are obvious over Harris, JEDEC FBDIMM standards, Amidi’s battery‑backup design, and Hajeck’s power‑anomaly protection, rendering all 30 claims unpatentable.

patent all challenged claims unpatentable

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

· PGR2026-00001

Samsung successfully challenged claim 16 of Netlist’s ’912 patent, with the PTAB finding the claim obvious over Ellsberry and related references.

patent all challenged claims unpatentable

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

· PGR2026-00001

The PTAB held that all 35 claims of Netlist’s ’339 memory‑module patent are obvious over the Ellsberry and Halbert references. Samsung and its co‑petitioners prevailed, resulting in the patent’s claims being invalidated.

patent instituted

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

· IPR2025-00001

The PTAB instituted an IPR against Netlist’s ’218 memory‑module patent after finding Samsung’s petition showed a reasonable likelihood of success on at least one claim.

patent instituted

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

· IPR2025-00002

The PTAB instituted an IPR against Netlist’s ’218 memory‑module patent after finding Samsung’s petition showed a reasonable likelihood of success on all 22 claims, based on obviousness over Hazelzet combined with JEDEC, Buchmann, and Kim.

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