Katten Muchin Rosenman

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KattenMuchinRosenman LLP
Katten Muchin Rosenman Logo.png
Headquarters 525 West Monroe Street Chicago, IL 60661
No. of offices 13 total, 2 international
No. of attorneys 584 (2011)[1]
Key people Vincent Sergi, Chairman[2]
Revenue $462 million (2011)[1]
Company type Limited liability partnership

Katten Muchin Rosenman LLP is a law firm formed in 2002 through the merger of Chicago-based Katten Muchin & Zavis (founded in 1974) and New York City-based Rosenman & Colin (founded in 1912). The Chicago-based firm has more than 600 lawyers in 13 offices.

Katten Muchin is regularly honored for its diversity and women's programs[3] by legal publications such as MultiCultural Law Magazine,[4] mainstream publications such as Working Mother magazine [5] and by business groups such as the National Association for Female Executives "NAFE" rankings of Top 50 Companies for Executive Women.[6]

On June 1, 2011, former Mayor of Chicago Richard M. Daley joined Katten Muchin Rosenman as of counsel.[7]

On December 14, 2015, a federal grand jury in Eastern District of New York returned a seven-count indictment against Martin Shkreli and Evan Greebel, an attorney and partner at the law firm of Kaye Scholer. The activity for which Greebel was indicted occurred between 2012 and 2014, when Greebel was a partner in the firm Katten Muchin Rosenman and lead outside counsel to Shkreli's company Retrophin. [8] [9] On December 17, 2015, the United States Securities and Exchange Commission in the Eastern District of New York returned a complaint against Greebel, Shkreli, MSMB Capital Management LLC, and MSMB Healthcare Management LLC.


  1. ^ a b [1] AmericanLawyer.com
  2. ^ [2] Kattenlaw.com profile for Vincent Sergi
  3. ^ "Profile of Professional Organization Contributors Katten Muchin Rosenman, LLP". The National Law Review. The National Law Forum, LLC. 2012-11-19. Retrieved 2013-01-05. 
  4. ^ "Top 100 Law Firms for Diversity" (PDF). MultiCultural Law. L.P. Green & Partners, Inc. 2012-06-19. Retrieved 2012-12-15. 
  5. ^ "2012 Working Mother 100 Best Companies". Working Mother Media. Bonnier Corporation. 2012-07-17. Retrieved 2012-12-10. 
  6. ^ "2012 NAFE Top 50 Companies for Executive Women". Working Mother Magazine. Working Mother Media. 2012-06-15. Retrieved 2012-12-18. 
  7. ^ Dardick, Hal (2011-06-01). "Daley takes job at law firm that got city work". Chicago Tribune. 
  8. ^ https://online.wsj.com/public/resources/documents/Shkreli_Indictment.pdf
  9. ^ "In Shkreli Case, a Company Lawyer May Have Crossed the Line". New York Times. 21 Dec 2015. Retrieved 21 Dec 2015. 

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