The ruling does not affect a $1.4 billion judgment against Jones in Connecticut.
The suspect, Chad Williams, died from an apparent self-inflicted gunshot wound.
On Monday, police were still trying to determine why the shooter carried out the attack, which happened early in the afternoon in a busy shopping plaza.
Seattle's police chief has resigned amid criticism of the city's response to a fatal shootout at a food festival last weekend, Mayor Katie Wilson said Thursday.
Colin Gray's son, Colt Gray, pleaded guilty to all charges in the 2024 shooting.
Bullets recovered from two bystanders killed during a shootout at a Seattle festival last weekend do not appear to have come from the gun that a 15-year-old arrested at the scene was firing, police said.