Petroleum extraction — US PTAB Patent Cases
3 decisions indexed
Page 1 of 1 · 3 total
Liberty Energy, Inc. et al. v.U.S. Well Services, LLC
Liberty Energy and U.S. Well Services have filed a joint request to keep their settlement confidential and to terminate IPR2025‑00031 concerning a hydraulic fracturing patent.
Liberty Energy, Inc. et al. v.U.S. Well Services, LLC
Liberty Energy has filed an IPR petition seeking cancellation of all 19 claims of U.S. Patent 10,655,435, alleging anticipation and obviousness over prior‑art pump‑control references. The petition argues the case meets the Fintiv institutional factors and requests the Board to institute the review.
WEATHERFORD U.S., L.P. et al. v.Halliburton Energy Services, Inc. et al.
Weatherford files an authorized response urging the PTAB to deny Halliburton’s Director Review Request, asserting the Board’s findings on claims 14, 29‑31, and 33 are well‑founded and that the patent owner’s arguments misinterpret the claim language and prior art.
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