Industry Sector

Energy / Power Generation — US PTAB Patent Cases

6 decisions indexed

Page 1 of 1 · 6 total

patent · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00424

BirchTech Corp. seeks Director Review to overturn the PTAB’s decision to institute an IPR against its mercury‑control patent, arguing MDL efficiency and a misapplied privity analysis under §315(b).

patent instituted · Apr 3, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00424

The PTAB granted institution for an IPR challenging claims related to mercury removal from flue gas using activated carbon sorbents. The Board found the Petitioner met a reasonable likelihood of prevailing standard, despite disputes over prior art reduction to practice.

patent instituted · Mar 24, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00688

The PTAB decided to institute the IPR petition against Birchtech Corp.'s '370 patent, finding that PacifiCorp et al. met the standard for reasonable likelihood of prevailing on all asserted grounds. The Board also addressed and rejected arguments from Patent Owner regarding written description and enablement issues concerning bromide compounds.

patent instituted · Mar 24, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00687

The PTAB instituted IPR on PacifiCorp's claims against Birchtech Corp. regarding flue gas desulfurization technology, overcoming a time-bar defense raised by the Patent Owner. The Board found Petitioner met the reasonable likelihood standard for institution across multiple grounds of anticipation and obviousness.

patent instituted · Mar 24, 2025

PacifiCorp et al. v.MES, Inc.

· IPR2025-00687

PacifiCorp and co-petitioners successfully challenged the '370 patent, demonstrating a reasonable likelihood of prevailing on multiple grounds of obviousness (103). The Board found that combinations of prior art references like Vosteen589/Starns or Downs-Boiler/Mass-EPA rendered key claims obvious.

patent · Jan 24, 2025

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

· IPR2025-00280

Berkshire Hathaway Energy’s power subsidiaries and patent owner Birchtech Corp. have settled their disputes over a emissions‑control patent. The parties filed a joint motion to terminate the inter partes review concerning Interstate Power & Light and Wisconsin Power & Light.

Arctic Invent — IP Strategy

Dealing with a patent challenge?

Whether it's a Section 3(d) rejection, a post-grant opposition, or a FRAND dispute, Arctic's patent litigation team has handled it. Get a strategy call.

Talk to our patent team →