"They clearly put their best effort into getting our case thrown out and it didn't work, " Raynal said.

FORBES: Liesel Pritzker Suit Gets Go-Ahead

"It didn't say any part of our theory wasn't legally viable, " said Lazar Raynal, lead attorney for Liesel Pritzker.

FORBES: Liesel Pritzker Suit Gets Go-Ahead

"It's essential to welcome tourism shopping in Paris, not just for the luxury industry but for the entire French economy, " Mr. Raynal says.

WSJ: LVMH to Mix Luxury and Tourism in Paris

If the suit does go forward, Tom could seek a settlement deal that would spare him and others from being deposed by Liesel and Matthew's attorneys, Lazar Raynal and Daniel Webb.

FORBES: Magazine Article

Tourists now account for 30% of purchases along the Rue de Rivoli, which borders one side of the La Samaritaine complex, compared with 10% five years ago, according to Mr. Raynal.

WSJ: LVMH to Mix Luxury and Tourism in Paris