HDMI Org, licensor of the HDMI standard, has demanded that Mini DisplayPort to HDMI cables be taken off the market because they are "unlicensed." According to TechRadar, the cables fall afoul of HDMI licensing standards which state that any cable with a male HDMI connector at one end must also have a male HDMI connector at the other end. Anything else doesn't meet the standards and therefore cannot be sold.
This doesn't affect the sale of cable adapters, like the Mini DisplayPort to HDMI adapter sold on Apple's site, because said adapters have a female HDMI connector that still requires a s