The following is an ISE press release...
BOX and ISE announced today that they have entered an agreement to resolve a patent infringement case filed by BOX against ISE in May 2011.
Under the settlement agreement, ISE has taken a license to BOX’s U.S. Patent No. 7,941,364 entitled “Price Improvement Processor for Electronic Trading of Financial Instruments,” and BOX has taken a license to ISE’s U.S. Patent No. 7,246,093 entitled “Automated Exchange for Trading Derivative Securities.”
All other terms of the settlement agreement are confidential.