The trademark application Mars Challenge was filed by Adelino Fernando de Castro valente de sousa, a national of the Portuguese Republic (the "Applicant"). The application was published for oppositions on September 28, 2025, and still open for oppositions.
The application was filed in Portuguese (English was selected as the second language).
Goods And Services
The mark was filed in class 41 with following description of goods:
Publishing, reporting, and writing of texts
Education, entertainment and sport services
Ticket reservation and booking services for education, entertainment and sports activities and events