We believe that the developer of Dino Hazard who contacted us is Brazilian and wanted by the trademarks register organ used in Brazil. We made an search at the INPI and verified that there is a trademark registration with the name Dino Hazard in the name of the person who contacted us.
According to the registration of trademarks, similar or equal names and of the same specification - videogames - the registered name is entitled.
https://busca.inpi.gov.br/pePI/jsp/marcas/Pesquisa_classe_basica.jsp
1 - click "marca"
2 - search for "dinohazard" or "dino hazard" em "marca" and press enter.