Defendant
1 case as defendant.
IMC-Chicago, LLC, often referred to as IMC Trading, is a proprietary trading firm headquartered in Chicago, Illinois, USA. Established on April 27, 2000, it operates as a wholly owned subsidiary of IMC Americas, Inc., which is ultimately part of IMC Global Holdings, LLC. The broader IMC group has offices across the US, Europe, Asia Pacific, and India, with the Chicago office alone employing over 650 people. As an institutional investment manager, IMC-Chicago, LLC reported a 13F market value of $275 billion in Q4 2025.
The company's primary business involves conducting proprietary trading of securities and options on securities as a registered market maker. It is registered as a broker-dealer with the Securities and Exchange Commission (SEC) and is a member of the Chicago Board Options Exchange (CBOE) and various other exchanges. IMC-Chicago, LLC engages in transactions involving financial instruments such as equity securities, exchange-traded funds, options, futures, and U.S. treasury securities, solely on its own behalf and not for external customers.
In terms of patent litigation, IMC-Chicago, LLC appears to be an operating company defending against patent infringement claims. Its sole tracked case, SpectraNet Technologies LLC v. IMC-Chicago, LLC et al., lists it as a defendant. This case was filed on May 19, 2026, in the Illinois Northern District Court, a venue not typically characterized as a patent plaintiff-friendly jurisdiction.
The noted patent infringement suit, SpectraNet Technologies LLC v. IMC-Chicago, LLC et al., involves claims related to property rights and patent infringement. The plaintiff, SpectraNet Technologies LLC, has filed similar patent suits against other financial trading entities in the Illinois Northern District Court around the same time, suggesting a patent assertion strategy related to areas such as high-frequency trading. Separately, in 2022, IMC-Chicago, LLC faced settled charges from the SEC for violations of Regulation SHO concerning short sale practices through its Single-Dealer Platform, resulting in a civil penalty of $125,000.
SpectraNet Technologies LLC filed a patent infringement suit against IMC-Chicago, LLC and several related entities. The case is categorized as a property rights patent infringement action.