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Michael R. Wanser Business Litigation Attorney

Practice Area Specialties


Michael R. Wanser


Michael is a litigation attorney with Abbey, Weitzenberg, Warren & Emery. Michael’s practice focuses on business and commercial litigation as well as trust and estate litigation. He has handled complex matters on behalf of public and privately-held companies, trusts, estates, and individuals in all facets of civil litigation, including jury and court trials, arbitrations, mediation, appellate work, and a wide range of law and motion practice. Prior to joining the firm, Michael practiced with Dewey & LeBoeuf, LLP, where he earned the firm’s Lisa Beth Deutsch Pro Bono Award for his advocacy on behalf of pro bono clients.

In law school, Michael was a member of the Trial Practice Honors Board and a recipient of the Deborah J. Frick Memorial Scholarship for Academic Achievement in Commercial Law.


  • University of California, Davis, J.D., 2007
  • Sonoma State University, B.A., 2004


  • Sonoma County Bar Association
  • American Inns of Court (Richard M. Sangster Chapter)
  • Volunteer Center of Sonoma County, Human Race Committee member
  • Fountaingrove Business Club


  • California (2012)
  • Illinois (2007, Inactive)
  • United States District Court, Northern District of California
  • United States District Court, Central District of California
  • United States District Court, Eastern District of California
  • United States District Court, Northern District of Illinois
  • United States Court of Appeals, Seventh Circuit

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Expertise gained from more than 100 years of experience in successfully serving our clients.

We bring generations of aggressive, effective, and successful legal representation to the communities of Santa Rosa, Sonoma County, and Northern California.

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If you need representation or would like to learn more about Abbey, Weitzenberg, Warren, & Emery, please do not hesitate to contact us. We look forward to speaking with you.

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The dedicated attorneys at Abbey, Weitzenberg, Warren & Emery are working remotely during this time and are available to take your calls and respond to emails. For over 100 years, we’ve provided the highest quality representation to our Sonoma County clients, and will continue to do so during these uncertain times.

If you need to contact one of our attorneys, please don’t hesitate to reach out today.