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About me

Jim Davidson has over 30 years experience litigating cases and resolving business disputes throughout the United States. Jim served as a prosecutor in Chicago, was in private practice with a large Chicago law firm for 14 years, and was a founding partner of a successful 22-lawyer firm. Davidson Mandell Menkes & Surdyk represented business, insurance, and entertainment industry clients in transactional, software licensing, and e-business matters, regulatory matters, and commercial, intellectual property, insurance, and employment litigation. Jim joined Ater Wynne after moving to Oregon in 2001.

Jim concentrates in commercial, intellectual property, insurance, and employment litigation, and provides litigation avoidance and other business advice. He has represented insurance companies, including some of the world’s largest insurers, on a regional and national basis. Jim has represented businesses in contract, insurance, employment, and general business matters, mediation, arbitration, and commercial, employment, insurance, and intellectual property litigation.


Jim has served as an adjunct professor of trial advocacy and evidence for Northwestern University School of Law, an adjunct professor of appellate advocacy for John Marshall Law School, an instructor for the National Institute for Trial Advocacy, and a speaker on trial, evidence, and employment issues for various business and industry groups.


Practice areas


  1. Litigation: 60%
    40 years, 1 thousand cases
  2. Intellectual Property: 15%
    22 years, 50 cases
  3. Health Care: 10%
    34 years, 500 cases
  4. Mediation: 10%
    32 years, 250 cases
  5. Arbitration: 5%
    32 years

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Contact info

Ater Wynne LLP

1331 NW Lovejoy Street
Suite 900
Portland, OR, 97209-2785

Ater Wynne LLP

1331 NW Lovejoy Street
Suite 900
Portland, OR, 97209-2785

1331 NW Lovejoy Street
Suite 900
Portland, OR, 97209-2785



WAVoluntarily Resigned200308/16/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
PartnerAter Wynne LLP2001 - Present
PartnerDavidson Mandell Menkes & Surdyk1994 - 2001
PartnerPeterson & Ross1980 - 1994
Assistant State's AttorneyCook County State's Attorney's Office1976 - 1980
AssociateSimon & Simon1975 - 1976
Association namePosition nameDuration
Oregon State BarMember2001 - Present
American Bar Association, Litigation SectionMemberN/A
American Bar Association, Tort Trial and Insurance Practice SectionMemberN/A
Federal Bar AssociationMemberN/A
Multnomah County Bar AssociationMemberN/A
Legal cases
Case nameOutcome
Scott v. IllinoisU.S.Supreme Court affirmed appellate court
Alaska Industrial Development and Export Authority v. Golden Valley Electric AssociationSettlement
High-Tech Company v. Certain Shareholders of High-Tech Acquired CompanySettlement
See all legal cases 
School nameMajorDegreeGraduated
Washington University School of LawLawJD - Juris Doctor1975
University of IllinoisPolitical Science and HistoryBA - Bachelor of Arts with High Honors1972