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ARTICLE · 31 JULY 2025

USPTO Director Ends IPR Against Midas Green Technologies

K&L Gates
K&L Gates
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K&L Gates

K&L Gates

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On 25 July 2025, K&L Gates secured an important win for its client, Midas Green Technologies, LLC. Acting USPTO Director Coke Morgan Stewart...

United StatesIntellectual Property
Mark G. Knedeisen
Mark G. Knedeisen
Brian P. Bozzo
Brian P. Bozzo

On 25 July 2025, K&L Gates secured an important win for its client, Midas Green Technologies, LLC. Acting USPTO Director Coke Morgan Stewart granted Director review and denied institution of an inter partes review (IPR) petition filed by Midas Green's competitor, Green Revolution Cooling, Inc., which had sought to invalidate U.S. Patent No. 10,405,457—currently being asserted by Midas Green in a parallel lawsuit pending in the Western District of Texas. The patent describes a modular immersion cooling system that circulates dielectric fluid to cool vertically mounted electronic appliances, such as computer servers, in a tank.

The Director's decision vacated a prior institution decision by a three-judge PTAB panel, which had instituted the IPR in May 2025. In doing so, the Director agreed with Midas that the Board erred in its application of the Fintiv factors governing discretionary denial based on parallel district court litigation.

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