Registered on Principal Register (R.PR)
Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive.
Updated September 2, 2026 · Reviewed by CopyMark Law Group
- Official USPTO wording
- REGISTERED, PRINCIPAL REGISTER
- Also recorded as
- R.PR
- Typical next step
- Calendar maintenance deadlines — Section 8 between years five and six, and combined Section 8 and 9 at each 10-year anniversary. Consider trademark monitoring for conflicting filings.
- Typical deadline
- First Section 8 window opens five years after registration. Missing maintenance filings can cancel the registration.
What this means
Registration is complete for this application. You have nationwide constructive notice of your rights for the listed goods and services, subject to maintenance deadlines and any post-registration challenges.
What usually happens next
Calendar maintenance deadlines — Section 8 between years five and six, and combined Section 8 and 9 at each 10-year anniversary. Consider trademark monitoring for conflicting filings.
First Section 8 window opens five years after registration. Missing maintenance filings can cancel the registration.
Related codes
Related CopyMark guides
Frequently asked questions
Can I use ® after R.PR?
Yes, for the goods and services covered by the registration once R.PR appears on the record. Do not use ® for unrelated goods or services not in the registration.