KUOW - One legal challenge to Washington's 'assault weapons' ban fails in court

A second judge says WA ban on sale of AR-15s, other rifles can proceed

Judge blocks lawsuit against Washington state assault weapons ban

Federal judge rejects attempt to block Washington's ban on sale of assault weapons

Second Attempt to Block New Assault Weapon Ban in Washington State Rejected by Judge, Local

Assault weapon ban bill passes Washington state House

New Washington gun law already faces federal court challenge

Assault weapons now banned in WA after bill signing Tuesday

First lawsuit filed against Washington's assault weapons ban, AG Ferguson confident ban will survive

Judge Temporarily Blocks Boulder County Assault Weapons Ban

FPC Files Lawsuit Challenging Washington “Assault Weapon” Ban Minutes After It Is Signed Into Law - Firearms Policy Coalition

E WA plaintiffs fail in attempt to block assault weapon ban

California court upholds state-wide ban on assault weapons : r/California