Principal Register

• Nationwide constructive use and constructive notice, which cuts off rights of other users for similar marks
• The possibility of achieving incontestable status after five years
• The right to bring a federal cause of action for infringement without regard to diversity or amount in controversy
• The right to request U.S. Customs and Border Protection officials to bar importation of goods bearing infringing trademarks
• Provisions for treble damages, attorney fees, and various other remedies.