The Times newspaper ex-Suits star Meghan, who married Harry in 2018, drove two personal assistants out of the household and undermined the confidence of a third.
Jason Knauf, then the couple’s communications assistant, reportedly submitted the complaint in October 2018 to protect palace staff who were allegedly coming under pressure from the Duchess.
But her spokesman said: "The duchess is saddened by this latest attack on her character, particularly as someone who has been the target of bullying herself and is deeply committed to supporting those who have experienced pain and trauma. "She is determined to continue her work building compassion around the world and will keep striving to set an example for doing what is right and doing what.