The European Union’s intellectual property office said the street artist had filed the trademark for his "Flower Thrower" piece in bad faith.
The pop star was dubbed "BadGalBanksy" following her latest social media post criticizing the president.
Murals memorializing George Floyd, condemning Donald Trump and celebrating the Black Lives Matter movement are being painted worldwide.
The anonymous street artist's "Girl With The Pierced Eardrum" piece is updated for the pandemic era.
The elusive street artist's Valentine's Day piece was defaced within 48 hours of appearing on a wall in Bristol, England.
The elusive street artist has a lot of history with the location of his latest piece.
And the piece in Birmingham, England, has already been doctored.
The elusive artist's rise to world acclaim is chronicled in an upcoming book by his former art dealer, Steve Lazarides.
British Prime Minister Boris Johnson also got a very tongue-in-cheek tribute at the annual street art event in southwest England.
"I think such ignorance needs to be challenged, and if I can do it with a bit of humor, even better."