All personal injury claims rely on the presence of negligence, which involves proving proximate cause. You can file a personal injury claim if you can establish the presence of proximate cause in your lawsuit.
If a superseding event exists, you may be able to file a claim against the other party who shares liability for your injuries -- personal injury lawsuits allow you to name multiple defendants. Hiring a Seattle personal injury attorney to evaluate your claim and determine your best legal options can help you determine who you can file your lawsuit against and whether or not you have grounds to file.
Contact a Washington personal injury attorney as soon as possible following your accident to determine your next steps. Your lawyer will carefully evaluate your claim and all pieces of evidence to determine your optimal pathway forward.