Registration and payment


Registration is open until 6 September 2019.

A W3C account is required to register to the event.

Payment is the last step of the registration process. Your registration is not confirmed until payment has been made.

See the Member-visible list of who has registered for groups.

Need help? Please contact



A daily fee helps W3C to partially offset wifi, audio visual, food and beverage costs for a five day event with multiple meetings.
As payments will be received by our European Host, ERCIM, the fees are displayed in EUR, however each attendee will be able to pay in its own currency.

The per person, per day fees for participant, observer and guest are as follows:

To positively respond to an existing need and as recommended by the W3C Advisory Board in its May 2018 meeting, we invite you once again to support Invited Experts who participate actively in W3C groups and who request financial support to attend TPAC. We hope all attendees recognize the value of supporting IEs and will agree to a nominal 5% fee addition to the above rates, however there is the ability to opt out.



Invited Experts fund

If you are a W3C Invited Expert, and meet the following requirements, you may state so in the registration form, and W3C will waive your registration fee:

If you have any question, please write to, and we will give you more information.


Cancellation and refund

Cancellations and requests for refunds must be received by 6 September 2019. Refund requests will not be honored after that time. Refunds will be subject to a EUR 50 cancellation fee.

To cancel your registration and request a refund, contact



Platinum sponsor


Gold sponsor


Silver sponsor

Yahoo! Japan

Gift sponsor


Bronze sponsors

Kodansha, Hitachi, Shueisha, Media Do, Sony

Friday Coffee sponsor


Network sponsor

NTT Communications

Support TPAC 2019 and get great benefits from our Sponsorship packages.

For further details, contact