Industry Sector

Solar photovoltaics — US PTAB Patent Cases

12 decisions indexed

Page 1 of 1 · 12 total

patent

Canadian Solar Inc. et al. v.Maxeon Solar Pte. Ltd.

· IPR2024-01038

Canadian Solar petitions the PTAB to cancel Claims 16 and 19 of Maxeon’s 2022 solar‑cell patent, arguing obviousness over multiple prior‑art references and that discretionary denial is inapplicable.

patent terminated or settled

Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.

· IPR2025-00007

Trina Solar, Evervolt and petitioners have settled their dispute over U.S. Patent 9,722,104, filing a joint motion to terminate the inter partes review. The Board has not yet decided the merits, allowing termination under 35 U.S.C. §317.

patent

Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.

· IPR2025-00007

Runergy has petitioned the PTAB to invalidate all 11 claims of Trina Solar’s 9,722,104 patent, arguing obviousness over multiple prior‑art references. The petition seeks cancellation of the claims and argues discretionary denial does not apply.

patent

REC Solar Holdings AS et al. v.Maxeon Solar PTE. Ltd.

· IPR2025-00592

REC Solar seeks cancellation of claims 9‑12 of Maxeon’s 8,222,516 solar‑cell patent, asserting obviousness over several prior‑art references and invoking collateral estoppel from earlier PTAB rulings.

patent

REC Solar Holdings AS et al. v.Maxeon Solar PTE. Ltd.

· IPR2025-00593

REC Solar Holdings has petitioned the PTAB to invalidate claims 9‑20 of Maxeon’s 8,878,053 solar‑cell patent, asserting obviousness over prior art such as Froitzheim, Gan, Kwark and related publications.

patent

Mundra Solar PV Limited v.First Solar, Inc.

· IPR2025-01411

Mundra Solar PV Limited has filed an IPR petition challenging all nine claims of First Solar’s 9,666,732 patent, alleging obviousness over Yablonovitch, Kwark, and Batra. The petition seeks institution of the review.

patent

Runergy Alabama Inc et al. v.Trina Solar Co. Ltd.

· IPR2025-00006

Runergy and its affiliates have filed a joint motion with Trina Solar and Evervolt to terminate their participation in IPR2025-00006 after settling all disputes, including a related ITC proceeding.

patent

REC Solar Holdings AS et al. v.Maxeon Solar Pte. Ltd.

· IPR2025-00595

REC Solar seeks cancellation of claims 16 and 19 of Maxeon's 2022 solar‑cell patent, asserting obviousness over a suite of prior‑art references covering back‑contact cell design and impurity gettering.

patent

REC Solar Holdings AS et al. v.Maxeon Solar Pte. Ltd.

· IPR2025-00594

REC Solar seeks to cancel claims 10‑15 of Maxeon’s 315 patent, arguing they are obvious over prior‑art back‑contact solar cell teachings. The petition cites multiple references and asserts discretionary denial does not apply.

patent

Canadian Solar (USA) Inc. et al. v.Trina Solar Co. Ltd.

· IPR2025-00918

Canadian Solar seeks to invalidate 11 claims of Trina Solar's 9,722,104 patent, arguing they are obvious over prior art such as Jin, Feldmann, Chang, Seo, and Watabe. The petition requests institution and notes discretionary denial is inapplicable.

patent

Canadian Solar (USA) Inc. et al. v.Trina Solar Co. Ltd.

· IPR2025-00917

Canadian Solar has filed an IPR petition seeking cancellation of all 17 claims of Trina Solar’s 2019 solar‑cell patent, arguing obviousness over multiple prior‑art references including Jin, Feldmann and Chang.

patent

JinkoSolar Holding Co., Ltd. et al. v.First Solar, Inc.

· IPR2025-01130

JinkoSolar has filed an IPR petition seeking cancellation of all eight claims of First Solar’s 9,130,074 patent, alleging lack of novelty and obviousness over multiple prior‑art references. The petition relies on Tamura, Borden, Rana and combinations with Gan, Kwark, and Swanson.

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