Department profile
Katten

Litigation: General Commercial

USA Guide 2026 : Illinois


Katten

Rankings

About

Provided by Katten

Katten's Litigation practice has earned top recognition for its track record of success. We believe our litigation victories must provide value and long-term benefit to our clients. Katten attorneys have the depth and experience to handle, and if necessary, to litigate through appeal, virtually any type of case. We regularly try "bet the company" cases to verdict and appear in federal and state courts across the nation at the trial and appellate levels, before arbitration tribunals and administrative law judges, and in specialty courts.

Clients benefit from the experience of the many Katten attorneys who have held positions at the US Department of Justice, the US Attorney's Office, the White House, the US Securities and Exchange Commission, and other government agencies and prosecutors' offices at both the state and federal levels across the country. Our team adeptly handles the many risks, investigations, government inquiries and proceedings that accompany large cases, and guides clients through the resulting parallel and complex proceedings. We act as national or regional counsel for clients, coordinating closely with local and other outside counsel to bring the best possible conclusion to complex and multiple jurisdiction actions.

Chambers Review

Provided by Chambers

Litigation: General Commercial - Illinois

Band 3

Band 3


What the Team is Known For

Katten possesses a well-regarded practice with notable expertise in commercial litigation and securities-related disputes. It handles a wide array of disputes, including product liability claims and insurance matters. Key areas of industry focus include financial services, healthcare and real estate. It is also known for its experience in the for-profit education sector.

Work Highlights

Provided by Chambers

  • Katten represented CIBC US in a defense against Quantum Biopharma, who alleged that CIBC and its co-defendant engaged in spoofing.

Strengths

Provided by Chambers

  • When we're looking for a law firm to bring in for a distress situation, we are looking for a combination of a high understanding of the legal issues, legal process as well as approach. We also look for a practical business and economic approach and Katten brings that to the table.

    Litigation: General Commercial respondentUSA
  • They are very smart folks and are very good at taking complex ideas and simplifying them.

    Litigation: General Commercial respondentUSA
  • Katten is phenomenal in all areas. They are efficient, pragmatic and practical.

    Litigation: General Commercial respondentUSA
  • We get high levels of service and responsiveness.

    Litigation: General Commercial respondentUSA
  • They have a great sense of our business and always keep us updated. They get to a resolution in the most efficient and strategic way possible.

    Litigation: General Commercial respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 2Michael J Diver
    Band 2Michael J Diver

    Michael J Diver

    Michael Diver has a diverse civil litigation practice, which includes derivative suits and class actions alleging securities violations.
    • Michael is client-centric and service-oriented. He is a former SEC lawyer so he has great experience, is very well known and knows the industry.

      Litigation: General Commercial respondentUSA
    • Michael is a titan in the securities and corporate dispute space. He has a huge portfolio and a sterling reputation.

      Litigation: General Commercial respondentUSA
    • Mike is a practical and experienced practitioner.

      Litigation: General Commercial respondentUSA
  • Band 2Michael Lohnes
    Band 2Michael Lohnes

    Michael Lohnes

    Michael Lohnes is noted for his ability to handle high-stakes securities litigation for companies and their officers and directors. He is also adept at guiding clients through investigations and enforcement matters.

    • He digs in and is a strong litigator.

      Litigation: General Commercial respondentUSA
    • He is very good with courts and is really a trial lawyer at his core.

      Litigation: General Commercial respondentUSA
    • Mike works hard for his clients and is a sophisticated litigator.

      Litigation: General Commercial respondentUSA
  • Up and ComingCarrie Stickel
    Up and ComingCarrie Stickel

    Carrie Stickel

    Carrie Stickel provides adept representation to financial services clients and public companies, which seek her out to handle an array of business disputes and securities litigation.

    • Carrie is a litigation savant and a star. She is trustworthy, smart and practical.

      Litigation: General Commercial respondentUSA
    • Carrie is a rockstar and has wisdom beyond her years. She is incredible with clients of all stripes in the boardroom and with individual clients, making them feel like the most important person.

      Litigation: General Commercial respondentUSA
    • She is a great litigator and subject matter expert.

      Litigation: General Commercial respondentUSA
  • Up and ComingSarah Weber
    Up and ComingSarah Weber

    Sarah Weber

    Sarah Weber represents financial service companies in an array of complex civil litigation. She is also adept at guiding such clients through enforcement and investigatory matters.

    • She is exceptional on the litigation front.

      Litigation: General Commercial respondentUSA

Ranked Individuals at Katten (4)

Illinois

Members

Provided by Katten

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership