Patent Application Encyclopedia

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 disclosed by the author or his successor, the novelty grace period shall be enjoyed within 12 months after the first disclosure.

• Authorization Fee: None
• Annuity: The first annual fee needs to be paid year by year from the fifth year after the granted. The applicant should pay the annual fee within 3 months before the due date. The deadline is the last day of the month where the application date is located. Overdue payment can be made within the 6-month late payment period. Except that no penalty will be charged for the first month, a penalty of GBP 24.00 per month will be charged for the remaining months.

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 31 months from earliest priority date.

yes. Please consult IPONIGERIA for applicable standards and charges.

no

20 years (Bangladesh Patents Act 2022)

4-7 months or so

yes

yes. The type of patent can be changed from invention to utility model within 30 days of receiving the grant/rejection decision, and the corresponding fee should be paid.

• 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.

20 years

• Grant fee: The granting official fee must be paid within 3 months after receiving the granted notification from the Patent Office, and the annual fee for the year of granted must be paid at the same time.
• Annuity: The annual fee shall be paid year by year from the first year since the filing date, and the subsequent annual fee shall be paid on the day before the announcement date of each payment year. If the annual fee is overdue, the payment can be postponed within a grace period of 6 months, but a late fee will be charged.

no

OPI conducts only formality examination of design patent applications.

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

Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.

no

yes. It is allowed to include multiple designs in one design application.