What are the requirements for the Belgian invention patent application documents

The initial protection is 5 years, which can be renewed 4 times, each time for 5 years, and the maximum protection can be 25 years.

Belgian Federal Government Intellectual Property Office

English: The Belgian Intellectual Property Office, Abbreviation: IPObel

Filing Language: Dutch/French/German
via Paris Convention
Necessary documents: Abstract Abstract Drawing Claim Specification Drawing
Attachments (if any) Sequence Listing (PDF format and TXT format) Microorganism preservation certificate and its Dutch/French/German translation Microorganism Survival Certificate and Dutch/French/German Translation Certified Priority Document Declaration of Ownership/Certification of Employment/Assignment of priority Assignment for Patent Right Transfer Notification issued by CNIPA notify the applicant the application has passed through the security review Genetic resource statement

The novelty grace period is 12 months before the filing date/priority date.

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

Licensing Fee: None.
Annuity: After the patent is granted, the annual fee shall be paid year by year from the third year of the application date, and the annual fee shall be paid before the last day of the month in which the application date is located. If the annual fee is overdue, it can be postponed and paid within 6 months after the due date at the latest, but additional penaltys are required. The penalty for the 3rd to 10th year is 85.00 euros, and the penalty for the 11th to 20th year is 230.00 euros.