Advantages of filing national phase of PCT Applications in the Americas through WDA are:
1) Volume Applications filed in IN 15 + Jurisdictions handled by one single office considerably reduces attorney fees (up to 30%)
2) Attorney in charge of your case will be available 24/7 either by email or cell phone.
3) Reduction 75% costs on courier mail, faxes, phone calls to different agents
4) Maintenance fees are timely paid by the same office that filed the application for an accurate control of dates, missing documents, deadlines and office actions.