Prince Harry and Meghan Markle face a challenge from Prince William and Kate Middleton in the US.

William and Kate applied to trademark 'The Royal Foundation of the Prince and Princess of Wales.'

They plan to promote the Royal Family through global engagements.

PR expert Andy Barr believes Harry and Meghan may be jealous.

William and Kate can succeed in America more quickly due to their royal status.

Being part of the Royal Family guarantees global attention and crowds.

The Prince and Princess of Wales will gain high society connections and opportunities.

Harry and Meghan's celebrity network can't match royal status.

William and Kate's move threatens to steal the US spotlight from Harry and Meghan.