4 known cases. View patent page →
An Inter Partes Review (IPR) case where Unified Patents PTAB Data challenged US9647918, which was not instituted due to procedural reasons.
An Inter Partes Review (IPR) filed by Samsung Electronics Co Ltd challenging US9647918. Institution was initially granted but later denied on July 17, 2025, after Director Review due to Fintiv factors.
A patent infringement case involving US9647918 filed in the Texas Western District Court, with Headwater Research LLC as the likely plaintiff.
A patent infringement case filed by Headwater Research LLC against Samsung Electronics Co., Ltd., et al., in the Texas Eastern District Court, which is actively proceeding with invalidity disclosures.