Clark Horner

Clark “Chip” Horner is experienced in all aspects of health law.  Since joining the firm nearly 15 years ago, he has defended medical negligence lawsuits of all kinds, including many high exposure birth trauma claims, ophthalmology, autism, failure to diagnose cancer, wrongful death and surgical matters.

Chip’s clients range from large integrated health systems to solo practitioners, nurses, midwives, and many different allied health professionals.  Chip also represents clients before licensing boards in Oregon and Washington and advices his clients on related health law matters.  Beyond this, he has experience in general liability lawsuits, including Employer Liability Law, premises liability and motor vehicle accidents.

Chip practices in both Washington and Oregon state and federal courts.  He is also a qualified solicitor licensed to practice in England and Wales.  Outside of work, Chip enjoys coaching his son’s ice hockey team, playing hockey himself, as well as camping, hiking, climbing and traveling with his family.


Lewis and Clark College
Northwestern School of Law
J.D., 2001

University of Michigan
B.S., Natural Resources and Environment, 1997


Hart Wagner LLP
Partner, 2011-present
Associate, 2003-2010

The Honorable Jerome LaBarre
Multnomah County Circuit Court
Judicial Clerk, 2001-2003

Pacific Environmental Advocacy Center
Legal Intern, 2001

Admitted To Practice

Oregon State Courts
Washington State Courts
US District Court: District of Oregon
England and Wales, UK

Professional Activities and Associations

Multnomah Bar Association
American Bar Association
Defense Research Institute
Oregon Association of Defense Counsel
Professional Liability Publications Liaison, 2011
Professional Liability Committee Vice Chair, 2012
Owen M. Panner American Inn of Court, 2002-2006

Professional Publications

“Ask the Expert,” The Scribe, May 2014

“Electronic Medical Records – Pitfalls and Practicalities,” The Verdict, OADC Magazine, Summer 2011


OMA Basic and Advanced Training in Risk Management, 2013 – 2018

“The Anatomy of a Medical Negligence Lawsuit,” The American Association of Pathologists’ Assistants Annual Meeting, March 2018

OHSU Medical Student Presentation, 2015 – 2017

“Demystifying Medical Malpractice,” ACOG Oregon Section Meeting, 2016

“Anatomy of a Lawsuit,” OHSU Medical Student Presentation, 2016

“Medical Negligence 101,” Podiatry Residency Training, 2016