Industry Sector

Energy — US PTAB Patent Cases

61 decisions indexed

Page 1 of 3 · 61 total

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00423

Berkshire Hathaway’s MidAmerican Energy and patent owner Birchtech have settled their dispute over a emissions‑control patent, prompting a joint motion to terminate the inter partes review. The Board is asked to dismiss MidAmerican from the proceeding under 35 U.S.C. §317.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00423

Berkshire Hathaway Energy and WEC Energy Group filed a joint motion to keep their settlement agreement with Birchtech Corp. confidential under 35 U.S.C. § 317(b). The request seeks to limit public access to the agreement, citing Board rules and regulations.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00423

Berkshire Hathaway Energy and its affiliates filed a joint motion to terminate the IPR against the ’430 patent for Interstate Power & Light and Wisconsin Power & Light following settlements with BirchTech. The motion cites 35 U.S.C. § 317 and public policy favoring settlement.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

BirchTech Corp. requests Director Review of the PTAB’s decision to institute an IPR against its 10,668,430 patent, arguing the case should be handled in an existing MDL and that the Board misapplied the privity analysis under 35 U.S.C. §315(b).

patent terminated or settled · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

The IPR against BirchTech’s patent was terminated for MidAmerican Energy Company after a settlement, while the proceeding remains open for Berkshire Hathaway Energy and PacificCorp.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

Berkshire Hathaway Energy and MidAmerican Energy have jointly moved to terminate their IPR and keep the settlement agreement confidential, invoking statutory confidentiality provisions.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

Berkshire Hathaway Energy and its affiliates have filed a joint motion to terminate the IPR concerning patent 10,668,430 after reaching a settlement with Birchtech Corp. The Board is asked to dismiss the proceeding with respect to WEC Energy Group.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

Petitioners and BirchTech jointly moved to have their settlement agreements treated as business confidential information, invoking 35 U.S.C. § 317(b). The Board is asked to keep the agreements separate from the public patent file.

patent terminated or settled · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

Berkshire Hathaway Energy and its affiliates settled an IPR against BirchTech, leading the Board to terminate the proceeding for two petitioners while keeping the case open for the remaining parties. The settlement agreement was treated as business‑confidential information.

patent · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00423

The Director reviewed multiple IPRs challenging several patents and issued an Order supplementing a prior remand. The key issue addressed is the permissibility of multiple petitions challenging the same patent.

patent instituted · Nov 2, 2025

Berkshire Hathaway Energy Company et al. v.MES, Inc.

· IPR2025-00422

The PTAB institution decision found a reasonable likelihood of prevailing for the Petitioners regarding claims covering flue gas pollutant removal. The Board addressed both anticipation and obviousness grounds, concluding that the combination of prior art references was sufficiently motivated to render the asserted claims unpatentable.

patent terminated or settled · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

The PTAB terminated the IPRs against MidAmerican Energy Company after a settlement with BirchTech, leaving the case open only against PacifiCorp.

patent terminated or settled · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

MidAmerican Energy Company and BirchTech Corp. have settled their IPR dispute over U.S. Patent 10,926,218 and filed a joint motion to keep the settlement agreement confidential. The Board is asked to treat the agreement as business confidential information under applicable statutes.

patent terminated or settled · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

WEC Energy Group and BirchTech Corp. jointly moved to terminate an IPR and asked the PTAB to keep their settlement agreement confidential under 35 U.S.C. § 317(b). The Board must decide whether to treat the agreement as business‑confidential information.

patent · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

Petitioners and BirchTech Corp. jointly moved to have their settlement agreements kept confidential under 35 U.S.C. §317(b) and related regulations. The Board is asked to treat the agreements as business‑confidential information, limiting public access.

patent terminated or settled · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00717

Utility companies and BirchTech settled multiple IPRs covering power‑grid patents. The Board treated the settlement agreements as confidential and terminated the IPRs as to the settling petitioners, leaving the remaining petitioners in the proceeding.

patent · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

MidAmerican Energy Company and BirchTech Corp. have settled their dispute over U.S. Patent 10,926,218 and filed a joint motion to terminate the inter partes review. The motion cites statutory authority and public‑policy reasons favoring settlement before any merits decision.

patent · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00717

A joint settlement between WEC Energy Group and BirchTech has prompted a motion to terminate the inter partes review of U.S. Patent 10,926,218. The parties rely on 35 U.S.C. §317 to dismiss WEC from the proceeding before any merits decision. The Board must now decide whether to grant the termination.

patent denied · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

The PTAB denied institution of an IPR for a mercury removal patent (10926218) after the Director remanded the case due to multiple concurrent petitions. The denial was based on following the Director's instruction to prioritize one petition over another.

patent · Aug 4, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00718

The Director granted review of multiple IPRs involving PacifiCorp and Birchtech Corp., vacating prior institution decisions. The Board is now remanded to determine which single petition, out of two filed per patent, should be instituted.

patent all challenged claims unpatentable · Apr 28, 2025

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

· IPR2025-00918

The PTAB found all 11 challenged claims of the solar cell patent unpatentable based on obviousness (35 U.S.C. § 103). The Board determined that combining prior art references, particularly Chang and Jin, would motivate an ordinary skilled artisan to make the claimed structure with a reasonable expectation of success.

patent terminated or settled · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

Petitioners and the patent owner reached settlements with Interstate Power & Light and Wisconsin Power & Light, filing a joint motion to terminate the IPR for those parties. The Board is asked to dismiss the review under 35 U.S.C. §317, citing no merits decision and public‑policy benefits of settlement.

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00424

Petitioners and BirchTech filed a joint motion to keep their settlement agreements with IPL and WPL confidential under statutory provisions. The Board is asked to treat the agreements as business confidential information.

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

BirchTech Corp. and WEC Energy Group have settled their dispute over U.S. Patent 10,589,225, prompting a joint motion to terminate the inter partes review. The motion cites statutory requirements under 35 U.S.C. §317 and argues that no merits decision has been rendered.

patent terminated or settled · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

MidAmerican Energy Company and PacifiCorp jointly moved to terminate IPR 2025-00425 and requested that the settlement agreement with Birchtech Corp. be kept confidential under statutory provisions.

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00424

PacifiCorp and affiliates challenge the Director’s discretionary denial of their IPRs on a mercury‑control patent, arguing the petitions are timely and no third‑party interests exist. The Board is asked to deny the Director Review and keep the PTAB as the forum for validity issues.

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00424

MidAmerican Energy Company and Birchtech Corp. have settled their dispute over U.S. Patent No. 10,589,225, filing a joint motion to terminate the inter partes review as to MidAmerican. The motion cites 35 U.S.C. §317 and argues no merits decision has been made.

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

WEC Energy Group and Birchtech Corp. filed a joint motion asking the PTAB to keep their settlement agreement confidential under statutory provisions. The request cites 35 U.S.C. §317(b) and related Board rules to limit public disclosure.

patent instituted · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

The Board instituted the IPR petition against Patent No. 10589225, finding a reasonable likelihood of prevailing on multiple grounds. The institution decision addressed complex issues regarding real party in interest and written description support for genus claims related to flue gas treatment.

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00425

The PTAB Director remanded multiple IPRs to the Board, requiring resolution of RPI and privity issues based on a prior ruling limiting parallel challenges.

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