It is not a trademark

It is an "anti-war symbol"

The peace symbol, the anti-nuclear war symbol, is one of the most widely used symbols in the world today. This logo was designed by Gerald Holtom, a participant in the movement, at the request of Bertrand Russel, leader of the Movement for Nuclear Disarmament (CND), as a protest against the establishment of the "Atomic Weapons Development Research Center" in the village of Aldermaston, England, in 1958. Action committee badge. The original idea of ??the logo was proposed by designers and graduates of the Royal School of Art in London. It was represented by a Christian cross inside a circle, but it was opposed by Christians.