"It is abusive of the courts, amounts to forum shopping, and is nothing more than attempt to limit the victims' access to justice," they wrote in a court filing. They also say none of the defendants in the lawsuits have been served.
MGM spokeswoman Debra DeShong in a statement to The Associated Press Thursday called the allegations of improper service "baseless." She said the victims' attorneys have been properly served with notice of the proceedings before the panel of judges.
"That is what is required by the rules," she said.
The Judicial Panel on Multidistrict Litigation has scheduled oral arguments in the case for next month in San Francisco.Congress created the panel 50 years ago. Its responsibilities are determining whether civil lawsuits pending around the country are similar enough to be combined, and to select a judge or judges to oversee them.
Consolidated cases can involve airplane crashes, train wrecks or hotel fires, or lawsuits over defective products.
The shooting carried out by a high-stakes gambler in October in Las Vegas left 58 people death and more than 800 injured.
- AP