Gregory E. O’Brien
Gregory E. O’Brien is a specializing in insurance and professional malpractice defense, recognized by Best Lawyers for his expertise and professional excellence.
Description
Gregory E. O’Brien is a seasoned attorney specializing in insurance law and professional malpractice defense for defendants. He provides strategic legal counsel and representation, guiding clients through complex insurance disputes and professional liability matters. Gregory combines extensive experience with practical solutions to achieve favorable outcomes while maintaining confidentiality and professionalism.
Areas of Practice
- Insurance Law
- Professional Malpractice Law – Defendants
Professional Recognition & Involvement
- Recognized in The Best Lawyers in America® 2026 for Insurance Law and Professional Malpractice Law – Defendants
- Esteemed by peers for his knowledge, judgment, and effectiveness in legal practice
Education
- Juris Doctor (J.D.) – The Ohio State University, 1986
Approach to Client Representation
Gregory focuses on clear communication and careful listening to understand client needs. He guides clients through each step of the legal process, providing practical advice and strategic solutions while ensuring professionalism and discretion throughout.
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Everett W. “EJ” Jack, Jr.
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Specializes in commercial litigation, insurance law, and complex corporate disputes.
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Tried or arbitrated over 50 cases to verdict or decision, including matters with extensive expert testimony.
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Served in leadership roles at Davis Wright Tremaine LLP, including Vice-Chair of Litigation and Executive Committee member.
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Recognized by Best Lawyers in America®, Oregon SuperLawyers, and Portland Monthly Magazine.
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Admitted to practice in federal courts including the 9th Circuit Court of Appeals.

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