In order to file a trademark or service mark application in Brazil, the following documents are necessary:

• Power of Attorney (notarization or legalization not necessary).
• Sample of the trademark if figurative or composite.
• The Applicant must be effectively "use" the goods or services for the mark, however, it is not necessary to submit any documentation of use for filing.

Please also note that in Brazil:

• There is no "use" requirement for the filing of an application, the issuance of a registration, or for the renewal of a registration. However, after issuance of the registration, if a trademark is not used for a period longer than five years, it will be vulnerable to attack by an interested third party.
• Multi-class applications are not allowed.