Our Cases

Compass Lexecon has been involved in many of the largest and most complex antitrust litigation and financial market cases over the past 30 years.

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03/05/19

On February 26, 2019, the U.S. Court of Appeals rejected the Department of Justice’s appeal of the US District Court’s opinion allowing the merger of AT&T and Time Warner to proceed without conditions. The Department of Justice announced soon thereafter...

07/11/18

Compass Lexecon was retained by AT&T and Time Warner to provide economic analysis and expert testimony concerning the merger of the two companies, and to assist with the litigation brought by the U.S. Department of Justice to block the deal...

08/09/13

Panel Relies Extensively on Analysis by Compass Lexecon Expert Professor Robert Willig On August 9, the United States Court of Appeals for the D.C. Circuit ruled unanimously in favor of Compass Lexecon's clients, the four major U.S. railroads, BNSF, CSX,...

09/22/11

Cantor Fitzgerald, a financial services company that had offices in the World Trade Center, claimed that it suffered nearly $500 million in business interruption damages, due to the February 1993 terrorist bombing of the building, for which the Port Authority...

06/22/11

Compass Lexecon experts Professor Robert Willig, Professor Dennis Carlton, and Dr. Hal Sider assisted CME Group in its successful opposition to a proposed regulation that would require the CME Clearinghouse to transfer open interest to a rival exchange’s clearinghouse. ELX,...

01/15/10

In early 2009, the U.S. Department of Justice began an investigation of alleged collusion between wireless carriers in setting text messaging fees. Compass Lexecon assisted Verizon Wireless in evaluating these claims. Professor Dennis Carlton, supported by a team in Compass...

03/26/09

On March 26, 2009, Judge George C. Hernandez of the California Superior Court ruled in favor of our client, American Express, on all counts in the matter of Hoffman v. American Express. Plaintiffs were a national class of American Express...

03/13/09

In March, CME Group won final approval to provide central counterparty clearing services for credit default swaps (CDS), following an extensive review by the Securities and Exchange Commission, the Commodity Futures Trading Commission, the Board of Governors of the Federal...

08/22/08

Compass Lexecon was retained by both CME Group Inc. and NYMEX Holdings, Inc. in connection with CME’s $8 billion acquisition of NYMEX. The deal combined the two largest US-based futures exchanges. In addition to providing antitrust consulting services to the...

07/23/08

Compass Lexecon was retained by David Boies, Don Flexner, Bob Silver, Damien Marshall, Cynthia Christian, and Alanna Rutherford of Boies, Schiller & Flexner LLP to conduct analyses and provide testimony regarding liability and damages in American Express’ suit against Visa,...

06/11/07

Bobby Willig, Hal Sider, Mark Israel, Thomas Stemwedel, Joanna Tsai, and a Compass Lexecon team in Chicago were engaged by the Chicago Mercantile Exchange (CME) prior to its decision to launch a merger with the Chicago Board of Trade (CBOT)....