Legal Question in Civil Rights Law in California

Being required to bring your spouse is a good sign the product or service isn't worth buying, and you will be pressured into signing a contract on the spot. If it's really a good deal you would be able to take it home and talk it over with your wife and/or legal advisor without the salesperson present. Some people are emotional weaklings and they come back to LawGuru: "I was pressured into signing!" Don't be "pressured":into signing anything. And whatever you do, please pretty please never ever buy a time share.

Yes, they can require it, since they are putting on the seminar and ou are resonding to their request for attendance.