4 known cases. View patent page →
Harbor Island Dynamic sued Samsung for infringement of the '886 patent and related patents based on Samsung's Antenna Switch and Coupler die (e.g., PK5562_01), allegedly used in the Galaxy S22 Ultra. The case was stayed pending the PTAB IPR proceedings.
Harbor Island Dynamic sued NXP for infringement of the '886 patent based on the NXP TDF8530TH car audio Class-D power amplifier built on NXP's SOI BCDMOS 'NDMOST' output stage. An amended complaint was filed on February 13, 2025, and the case was stayed pending the IPR proceedings.
Samsung petitioned for inter partes review of all claims 1-19 of the '886 patent. The PTAB issued a final written decision on March 16, 2026, holding the claims unpatentable over prior art including Okashita, Burgener, and Yu. Harbor Island appealed to the Federal Circuit.
NXP petitioned for inter partes review of the '886 patent. The PTAB instituted review on September 22, 2025, with joinder with IPR2024-01402, and issued a final written decision on March 16, 2026, terminating the proceeding.