In the US, such marks may be registered on a separate register called the Supplemental Register, provided the mark has been used in interstate commerce in the US unless the application is based on a foreign application or registration. (slaw.ca)
It is designed to prevent and remove obstructions on interstate commerce in commodities by regulating transactions on commodity futures exchanges. (investopedia.com)
If the Supreme Court does hear the case, many believe the 1992 ban could be struck down because Congress does not have the power to regulate interstate commerce in this particular case, according to backers of legalized gambling. (sportsinsights.com)