Software patent: 2.5 cent trade tax to Chicago software firm.

Trading Technologies, a company based in Chicago has a few software based patents for their trading system and have just filed suit against a UK firm by the name of Man group (a hedge fund company) in the hopes of getting a 2.5 cent contribution per trade on the Chicago Board of Trade, Chicago Mercantile Exchange, Eurex US and Euronext.liffe exchanges. Trading Technologies have stated that their software saves much more then would be provided by the 2.5 cent per trade tax would return.

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