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Are you Keil M. Mueller?
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Quick answer
Keil M. Mueller is an attorney based in Portland, OREGON. The practice focuses on Business, Class Action, and Litigation.
- Based in
- Portland, OREGON
- Experience
- attorney
- Known for
- Business · Class Action · Litigation
- Handles Business, Class Action, and Litigation matters from Portland, OREGON.
- Recognized with Best Lawyers in America — Commercial Litigation (2026).
About Keil M. Mueller: Keil M. Mueller is an attorney based in Portland, OREGON. The practice focuses on Business, Class Action, and Litigation.
Areas of practice
Practice focus
Keil M. Mueller represents clients in Portland, Oregon across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About Keil M. Mueller
With over 15 years of litigation experience, Keil has regularly represented government entities, investors, consumers, businesses and other Plaintiffs in a wide variety of complex legal matters and class actions. His practice focuses on issues related to securities and financial fraud, the environment, consumer class actions, and partner and shareholder disputes among others. Keil’s thoughtful but tenacious pursuit of his clients’ claims has contributed to significant courtroom victories and favorable settlements. He has successfully represented clients in matters of corporate malfeasance, taking on big companies such as AIG, Oppenheimer, FedEx Ground, JP Morgan Chase, and Bank of New York Mellon, just to name a few.
Currently, Keil is a key member of teams prosecuting claims on behalf of the State of Maryland, the State of Delaware, and the City of Seattle against multinational chemical manufacturer, Monsanto, and seeking to hold the corporate giant responsible for environmental contamination and other harms caused by Monsanto’s sale and marketing of PCBs. Prior to joining Keller Rohrback, Keil also was a member of the team that represented the State of Oregon in similar claims against Monsanto, which Monsanto recently agreed to settle for $698 million, the largest environmental settlement in Oregon’s history.
In addition to advocating for his clients, Keil serves as a board member of the Campaign for Equal Justice and of the Oregon Lawyer Chapter of the American Constitution Society.
Credentials
Education
New York University
J.D. · 2008
Recognition
Awards & honors
Best Lawyers in America — Commercial Litigation
2026
Best Lawyers in America — Litigation - Securities
2026
Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Litigation - Environmental
2026
Locations
Office locations
Client feedback
Client reviews
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Schedule your consultationFrequently asked
Common questions
What areas of law does Keil M. Mueller practice?
Keil M. Mueller focuses on Business, Class Action, Litigation, and Product Liability.
Where is Keil M. Mueller located?
Keil M. Mueller primarily serves clients in Portland, Oregon, with an office at 601 SW Second Avnue, Suite 1900.
Is Keil M. Mueller a verified attorney?
Keil M. Mueller's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with Keil M. Mueller?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 971-253-4600.





