NL Patent Office

Opening hours

NL Patent Office is open on workdays from 9.00 am to 5.30 pm for the following services.

• Filing a patent application
• Filing a deed
• Payment of fees
• Giving notice of seizure

If you have any queries regarding intellectual property rights, you can telephone the public information office on workdays between 9.00 am and 5.30 pm on +31 88 602 60 00. You can also contact the public information office by sending an e-mail to This e-mail address is being protected from spambots. You need JavaScript enabled to view it or by sending a fax to +31 88 602 90 24.

Making an appointment to obtain patent information (only for Dutch entrepeneurs)
You are welcome to make an appointment on any work day to obtain general information regarding patents, such as the patent granting process, the costs involved in obtaining a patent or patent protection in the Netherlands and in other countries. You may use our computers to search patent literature, but you can also do this using your own laptop via wireless internet. To make an appointment, please contact our public information office, by telephoning +31 88 602 60 00.

Exceptions
NL Patent Office is closed on national public holidays and on a number of other days. This includes the following days during 2010:

• Friday, January 1 (New Year's Day)
• Monday, April 5 (Easter Monday)
• Friday, April 30 (Queen's Day)
• Wednesday, May 5 (National Liberation Day)
• Thursday, May 13 (Ascension Day)
• Friday, May 14 (non-working day)
• Monday, May 24 (Whit Monday)

Patent advisors (only for Dutch entrepeneurs)
Would you like a consultation regarding your invention or do you require any assistance with searching patent information databases? Then make a (free) appointment with one of our patent advisors. Contact the public information office first to arrange this by telephoning +31 88 602 60 00.

Identity card
You are required to bring a valid identity card with you when visiting NL Patent Office, due to security measures.