The U.S. International Trade Commission (USITC) has voted to institute an investigation of certain digital cable and satellite products, set-top boxes, gateways, and components thereof. The products at issue in the investigation include set-top boxes supplied to Comcast for its Xfinity brand, set-top boxes supplied to DIRECTV for its Genie brand, and media or telephone gateway products.

Source: USITC to investigate STBs after Sony patent claim | Digital TV News