Who is the Portuguese utility model patent authority?

no

yes. Before the applicant receives the final decision, it may be proposed to change the type of invention from invention to utility model.

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 30 months from the earliest priority date.
• Validation of European Patent in EPO member states: within 3 months from the date of granted of the European invention.

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 30 months from the earliest priority date.

yes. Before the applicant has received a final decision, an application to change the type of invention from a utility model to an invention may be proposed.

If the disclosure is caused by the designer, the novelty grace period is 12 months from the date of disclosure.

Reinstatement of priority is accepted on grounds of "due care."

• Licensing Fee: None.
• Annuity: pay once every 5 years, and must be paid within 6 months before the due date of the application. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a 50% penalty is required.