The U.S. Supreme Court’s June 20 decision to throw out a class-action suit filed against Wal-Mart Stores on behalf of more than a million female workers might have been a blow to trial lawyers, but it also could open another area of demand for legal services.

Ballard Spahr financial services attorney Alan S. Kaplinsky said the decision has already sparked new interest in arbitration. He said he's now hearing from pension plans, insurers, and real estate brokers who want to craft customer agreements to shield them from lawsuits.