Many times someone on a forum or blog comment will ask, “How much does a UDRP cost?”
wrote a great little checklist article to give you all the info you need.
Doug gives a breakdown of the fees charged by the four providers — the World Intellectual Property Organization (WIPO), the Forum (formerly the National Arbitration Forum), the Czech Arbitration Court (CAC), and the Asian Domain Name Dispute Resolution Centre (ADNDRC)
There are some difference in fees and add on costs depending on the provider.
Things like a 3 member panel at WIPO is more expensive than at The Forum.
The Forum has some other costs like, The Forum also charges fees for other parts of the UDRP proceeding, including $100 for an extension to file a response and $400 for submitting additional written statements and documents.