Computer memory — US PTAB Patent Cases
44 decisions indexed
Page 1 of 2 · 44 total
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that all 35 claims of Netlist’s ’339 memory‑module patent are obvious over the Ellsberry and Halbert references, rendering the claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that claims 1‑15 of Netlist’s U.S. Patent 9,824,035 are unpatentable. Samsung and Micron successfully argued that the claims are obvious over the Perego memory‑module disclosure combined with the JEDEC DDR2 standard.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung Electronics challenged Netlist’s ’608 memory‑module patent in an IPR. The Board held that the prior art (Hiraishi, Butt, Tokuhiro, Ellsberry) did not teach the claimed ‘data path’ limitations and found no claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung successfully challenged claim 16 of Netlist’s ’912 memory‑module patent, with the PTAB finding the claim obvious over the Ellsberry reference and unpatentable under §103(a). The Board’s claim construction limited “rank” to a single device, supporting the obviousness finding.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung Electronics petitions the PTAB to institute an IPR against Netlist’s 9,824,035 DDR3 memory module patent, asserting that claims 2‑9 and 14‑20 are obvious over a combination of five prior‑art references.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung and its Micron affiliates successfully invalidated all 20 claims of Netlist’s ’160 memory‑package patent in an IPR, finding the claims obvious over prior art references Kim, Rajan, and Wyman.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB found the majority of Netlist’s ’907 memory‑module patent claims obvious over the Ellsberry reference and related standards, cancelling 63 of 65 challenged claims while leaving claims 40‑41 intact.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung successfully challenged Netlist’s ’912 patent, with the PTAB finding claim 16 unpatentable as obvious over the Ellsberry reference.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung and its co‑petitioners successfully proved that Netlist’s 10,949,339 B2 memory‑module patent was obvious over prior‑art references Ellsberry and Halbert. The PTAB declared all 35 challenged claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The USPTO denied Samsung’s request for Director Review of the PTAB’s final decisions in two Netlist memory patents, leaving the Board’s rulings intact.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung's challenge to Netlist's ’160 memory‑package patent failed; all 20 claims were found obvious over Kim, Rajan, and Wyman under 35 U.S.C. § 103(a). The Board adopted the district‑court construction of “array die” and rejected Patent Owner’s arguments about non‑DRAM dies and collision risks.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
In IPR2025-01402 the PTAB held that all 15 claims of Netlist’s ’417 patent are unpatentable as obvious over the Perego memory‑module disclosure and the JEDEC DDR2 standard. The decision clears the way for Samsung’s memory products.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung’s IPR proved all 35 claims of Netlist’s ’339 memory‑module patent obvious over the Ellsberry and Halbert references, rendering the claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung’s challenge to Netlist’s ’918 flash‑DRAM hybrid memory patent succeeded; all 30 claims were found obvious and thus unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung’s 30 claims covering a flash‑DRAM hybrid memory module are obvious over prior art, invalidating the entire ’054 patent. Netlist’s challenge succeeded on grounds of combining Harris, JEDEC FBDIMM standards, Amidi’s backup circuitry, and Hajeck’s over‑voltage protection.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that most of the claims of Netlist’s ’907 memory‑module patent were obvious over the Ellsberry reference (alone or combined with standards), cancelling 63 of 65 claims. Claims 40 and 41 survived.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung and its Micron affiliates successfully challenged Netlist's 8,787,060 B2 memory‑package patent. The PTAB found all 34 claims obvious over a combination of prior‑art references, rendering the patent unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
The PTAB held that Samsung and its co‑petitioners proved all 30 claims of Netlist’s ’918 hybrid memory patent were obvious over Harris and JEDEC FBDIMM standards, rendering the claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung and Micron successfully challenged Netlist’s ’215 memory‑module patent in an IPR, leading the PTAB to find all 29 claims unpatentable as obvious over Perego and the JEDEC DDR2 standard.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
In IPR2023‑00454, the PTAB held that all 15 claims of Netlist’s U.S. Patent 11,093,417 are obvious over the combined teachings of the Perego memory‑module disclosure and the JEDEC DDR2 standard, rendering the claims unpatentable.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
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.
Samsung Electronics Co., Ltd. et al. v.Netlist, Inc.
Samsung successfully challenged claim 16 of Netlist’s ’912 patent, with the PTAB finding the claim obvious over Ellsberry and related references.
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