Netherlands Patent Office

Accepted means of filing

Online: as a WASP file created by PCT-SAFE or EPO-OLF client software

On physical media: as a WAD or WASP file created by PCT-SAFE or EPO-OLF (on 3.5” diskette or CD-R)


Accepted digital certificates

Valid certificates issued by one of the following Certification Authorities (CA):

  • CA for EPO


Accepted formats

This Office accepts the filing of the application body (description, claims and abstract) in character-coded (e.g. XML) and image format (e.g. PDF). It also accepts the inclusion of application documents in a pre-conversion format, according to Administrative Instruction 706, created by any of the following software: Corel WordPerfect, Lotus WordPro, MS Word.

Sequence listing should preferably be filed, as a separate part of the description, in WIPO's ST.25 text format (no additional fees).



Help desk available between 9.00 and 17.30 hours Monday to Friday excluding official holidays; it may be contacted:

  • by phone at +31-70 398 66 55
  • by fax at +31-70 390 01 90
  • by e-mail at