For most of the 30 years that Donald J. Friedman has been handling commercial arbitrations, companies and their lawyers have been willing to use the procedure without all the “bells and whistles,” said the partner at Seattle-based Perkins Coie.

But now, he added, “My general sense is arbitration is not quite as popular as it had been.” Cautious litigators and risk-averse clients are seeking more judicial review, expanded document production and more depositions, he noted.