In the United States, a trademark can last indefinitely, if it used to represent a brand and renewed when required. To renew a registered trademark, the owner must file the maintenance documents with the United States Patent Trademark Office (USPTO) and meet certain legal requirements.
How Long Does A Trademark Last in the United States?
The length of protection for a trademark in the United States is 10 years. However, trademarks can be renewed indefinitely as long as they are being used in commerce.