ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,111, issued on March 3, was assigned to Trading Technologies International Inc. (Chicago).

"Block placing tool for building a user-defined algorithm for electronic trading" was invented by Daniel Lidor (Chicago) and Richard Lane (Stamford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Certain embodiments provide a block placing tool for building a user-defined algorithm for electronic trading. Certain embodiments provide for receiving by a block placing tool a selection of one or more blocks. Certain embodiments provide for receiving by a block placing tool a mapping definition including a mapping between block types and/or attributes. Certai...