From "The Element Encyclopedia of Secret Signs and Symbols" by Adele Nozedar.
Lucky Cat statuettes of Japan and China
With the right paw raised, the cat will bring money and happiness to home and workplace. A cat raising its left paw will attract new customers for a business. And a cat with both paws raised hits the jackpot: both home and business will be happy and profitable, attracting good luck, friends, prosperity, and new clients.
Now you know that raised paw means.:)