The MPEG-LA video group's attempts to find patent violations in WebM proved successful as the company late Thursday claimed that 12 companies and organizations had their technology infringed. The so far unnamed dozen said the VP8 video codec underlying Google's format copied technology used in H.264, the standard MPEG-LA supports. The collective was considering forming a patent pool to demand licenses, and MPEG-LA was "facilitating that discussion," CNET was told.