Simeon Osborn


Osborn Machler PLLC

Firm Website


(206) 441-4110


2025 1st Ave Ste 1200








Areas of Practice:

Personal Injury
Medical Malpractice
Products Liability
Wrongful Death
Civil Rights

Simeon J. Osborn has developed a powerful track record in personal injury litigation. He has tried dozens of jury trial and settled hundreds of cases, achieving multi million dollar results for his clients. He has settled an excessive force case against the King County Sheriff’s Office for over $11 million dollars. The firm is now in the process of resolving approximately 25 cases involving injuries to children and teenagers occurring at trampoline “parks.” Mr. Osborn previously fought for children and their families in 16 different states who suffered injuries from toys containing magnets.

Mr. Osborn also represented 2 students, from 2 different schools, which both drowned in the school pool – changing the way that the schools lifeguards and teachers patrol and teach swimming.

In one of his most recent cases, Lutz, et al. v. Snohomish School District, et al., Mr. Osborn received a verdict in excess of 1 million dollars for the negligence of the school district in an incident where 2 students were stabbed on school premises.

The firm of Osborn Machler successfully challenged Washington’s wrongful death law in the Washington Supreme Court, securing new protections for grieving families in Washington State.

Mr. Osborn is admitted to practice in Washington State and federal courts, was well as the U.S. Court of Military Appeals. Since 2003, he has been a member of the American Board of Trial Advocates, an invitation-only organization that recognizes only the best trial lawyers from both plaintiff and defense practices. He was selected as this group’s trial lawyer of the year in 2011. Mr. Osborn is an Eagle member of the Washington Association for Justice and the Western Trial Lawyers Association.

Mr. Osborn has published several articles on trial practice and is a frequent speaker and instructor in the area of trial preparation and practice. He provides pro bono legal services for youth organizations and boards on which he serves. Mr. Osborn is AV rated by Martindale Hubbell, which means he is recommended by his peers as a practitioner meeting the highest standards of professionalism and ethics.

After growing up in the Seattle area, Mr. Osborn received his B.A. from Whitman College and his J.D. from Seattle University School of Law. An active member of his community, Mr. Osborn has served on the Board of Trustees for the Kirkland Boys and Girls Club and the Seattle University Alumni Board. He is President of the Kirkland Merchants select baseball club, an organization which he founded to benefit local youth. He has also served on the Boards of Trustees for the Make-A-Wish Foundation and Providence Hospital Foundation and was active with Special Olympics and the Leukemia Society of America.


Seattle University School of Law, J.D. (formerly the University of Puget Sound School of Law) 1984
Whitman College 1980

Bar Admissions

Washington State Bar Association
U.S. District Courts, Western District of WA
U.S. District Courts, Eastern District of WA
U.S. District Courts, Western District of Pennsylvania
U.S. Courts of Appeals, Ninth Circuit

Professional Memberships

Washington State Association for Justice (WSAJ)
American Association of Justice(AAJ)
American Board of Trial Advocates (ABOTA) – National Board 2011-2013
American Board of Trial Advocates (ABOTA) – Chapter Executive Council 2010-Current
Association of Trial Lawyers of America (ATLA)
King County Bar Association (KCBA)
Tacoma-Pierce County Bar Association (TPCBA)
Western Trial Lawyers Association (WTLA)- Board of Governors 2000-2001

Professional Awards & Achievements

Trial Lawyer of the Year American Board of Trial Advocates (ABOTA) – 2011
Super Lawyers
Bar Register of Preeminent Lawyers
Who’s Who in America
Pro Bono Service Commendation Washington State Bar Association
Top 100 Trial Lawyers National Trial Lawyers
Highest Rating in Legal Ability & Ethical Standards LexisNexis Peer Review Rating (AV)
Top Lawyer As Chosen By Peers Seattle Met Magazine
Top 100 Trial Lawyers Association of Trial Lawyers of America (ATLA)