What is the Supplemental Registry and is it Right for your Trademark? Filing a trademark is one of the most effective steps a business can take to protect its brand. However, not all trademarks qualify for the same level of recognition and protection under U.S. law. If your trademark doesn’t meet the strict requirements for the USPTO’s Principal Register, the Supplemental Register could be an alternative.  But what exactly is the Supplemental Register? How does it differ from its counterpart, the Principal Register, and is it the right choice for your business? The trademark process can be very confusing and challenging for business owners.  This article breaks down the advantages, limitations, and considerations relating to the Supplemental Register to help you make an informed decision.