- Telephone: 515-283-2147
- Fax: 515-283-1002
- Website: www.pattersonfirm.com
Established: 1965
Practice Areas
- Civil Trial Practice
- General Civil Practice
- Insurance Defense
- Personal Injury
- Product Liability
- Professional Liability
- Workers' Compensation
- Appeals
Client Information
Insurance Clients
- Chubb Indemnity Insurance Company
- Columbia Mutual Insurance Company
- Creative Risk Solutions, LLC
- Farmers Insurance Company
- Indemnity Insurance Company of North America
- Iowa Municipalities Workers’ Compensation Association
- Liberty Mutual
- MetLife Insurance Company
- Nationwide Agribusiness Insurance Company
- North Star Mutual Insurance Company
- Partners Mutual Insurance Company
- Safety National Insurance Company
- SECURA Insurance Companies
- Sedgwick James
Personnel Information
Members
Douglas A. Haag
Des Moines, IA
Admitted
- Iowa, 1979
Memberships:
- Iowa State and Polk County Bar Associations
- Defense Research Institute
Education:
- Minnesota State University, Mankato, B.S. (summa cum laude), 1975
- Drake University, J.D. (Order of the Coif), 1979
Born: 1952
Patrick V. Waldron
Des Moines, IA
Admitted
- Iowa, 1995
Memberships:
- American, Iowa State and Polk County Bar Associations
- Iowa Association of Workers' Compensation Lawyers
Education:
- Marycrest College, B.A. (magna cum laude), 1992
- Drake University, J.D. (with honors), 1995
Born: 1969
Michael S. Jones
Des Moines, IA
Admitted
- Iowa, 1995
Memberships:
- Iowa State and Polk County Bar Associations
- Society of CPCU
- Defense Research Institute
- Iowa Defense Counsel Association
Certifications:
Chartered Property and Casualty Underwriter (CPCU)
Education:
- The University of Iowa, B.B.A., 1985
- University of Denver
- Drake University, J.D. (with honors), 1995
Born: 1962
Gregory A. Witke
Des Moines, IA
Admitted
- Iowa, 1987
Memberships:
- American, Iowa State and Polk County Bar Associations
- Iowa Defense Counsel Association
- Defense Research Institute
- Federation of Defense and Corporate Counsel
Education:
- Iowa State University, B.S. (with distinction), 1984
- The University of Iowa College of Law, J.D. (with distinction), 1987
Born: 1961
Ryan M. Clark
Des Moines, IA
Admitted
- Iowa, 1999
Memberships:
- Iowa State and Polk County Bar Associations
- Iowa Association of Workers' Compensation Lawyers
Education:
- Arizona State University, B.A., 1995
- Drake University, J.D. (with honors), 1999
Born: 1973
Jason W. Miller
Des Moines, IA
Admitted
- Iowa, 2002
Memberships:
- American, Iowa State and Polk County Bar Associations
- Iowa Academy of Trial Lawyers
Education:
- St. Ambrose University, B.A. (summa cum laude), 1999
- The University of Iowa, J.D. (with distinction), 2002
Born: 1977
Michael J. Miller
Des Moines, IA
Admitted
- Iowa, 2002
Memberships:
- American, Iowa State and Polk County Bar Associations
Education:
- The University of Iowa, B.A. (with honors and highest distinction), 1998
- The University of Iowa, J.D. (with high distinction), 2002
Born: 1976

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