The RIVET™ financial products are protected by an issued U.S. patent and additional U.S. and foreign patent applications are pending. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions, including the virtual patent marking provisions of the America Invents Act, 35 U.S.C. 287(a). The following list of licensed RIVET™ financial products may not be all inclusive, and other RIVET™ financial products not listed here may be protected by one or more patents:

• The S&P 500 Variance Futures offered by CBOE Futures Exchange, LLC.
  U.S. Patent No. 8,606,680 (other U.S. and worldwide patents pending)