About
Margaret (Maggie) Hannon is a driven litigator with a focus on high-stakes and complex litigation. Known for her precision and persistence, she approaches each case with a strong sense of strategy and clarity. She has supported clients across a range of legal challenges, consistently delivering thoughtful, research-backed advocacy.
Margaret earned her undergraduate degree in Political Science with a minor in English from the University of Portland. She later completed her J.D. at Seattle University School of Law, graduating summa cum laude. Her academic achievements reflect both her work ethic and her sharp legal thinking.
Margaret deepened her courtroom knowledge during a clerkship with the Honorable James (Jim) Egan at the Oregon Court of Appeals. In this role, she drafted legal opinions and memoranda and participated in judicial panel conferences. She also helped author key sections of the court’s Standards of Review guide.
Margaret sharpened her advocacy skills at the Fred T. Korematsu Center for Law and Equality’s Civil Rights Clinic, where she helped draft amicus briefs challenging bias in the justice system. She later served as a summer associate at a litigation-focused law firm, gaining hands-on trial experience and contributing to real-time case strategy. Earlier in her career, Margaret worked in the King County Superior Court Clerk’s Office, supporting daily court operations and building a strong foundation in judicial procedures and court administration.
Margaret (Maggie) Hannon holds Bar admissions in Oregon and Washington and continues to apply her legal training to serve clients with care, diligence, and deep respect for the law. She brings strong analytical skills and a commitment to justice to every case she handles.
Law Office Affiliations
- Associate, Markowitz Herbold PC
- Member, Oregon State Bar
Licensed State
- Oregon
- Washington
Education
- Seattle University School of Law
Juris Doctor (JD) - University of Portland
Bachelor of Arts (BA)
Awards & Badges

- Appeals
- Litigation





