ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,741, issued on May 13, was assigned to NYSE Chicago Inc. (Chicago).

"Fee/rebate contingent order matching system and method" was invented by Steven I. Givot (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "A specialized computer matching system programmed to match orders for financial instruments of any type; where orders are matched at a price equal to the best available price or within the best available prices in the market; where priority of matching orders is ranked by price; where orders at the same price may be further ranked based on other attributes; where orders may optionally specify that the order sender is willing to pay a fee to...