United Kingdom, Oct. 15 -- Busta Rhymes has countersued his former assistant for allegedly "fabricating" an assault lawsuit.

The 53-year-old rapper - whose real name is Trevor George Smith Jr. - filed a counterclaim in federal court this week accusing his former PA Dashiel Gables of defamation over claims he was assaulted by the musician.

In court documents obtained by PEOPLE magazine, Busta has alleged that he has experienced "damage to reputation, goodwill, and standing in the music and advertising industries".

He also claimed the allegations cost him "advertising campaigns and other business opportunities", and he is calling for "special damages in an amount to be proven at trial".

In the documents, he adds: "Gables' conduct was wi...