In perhaps the most quietly revealing comment on the nature of disputes in the art market, Larry Gagosian answered a simple question in a deposition for the Jan Cowles case in this way:

Mr. Gagosian said that he frequently represented both the seller and buyer in a deal without disclosing that fact to either party. “To be honest with you, the question hardly ever gets asked,” he said. “I never get asked the question, ‘Are you representing both sides.’”

Gagosian Suit Offers Rare Look at Art Dealing (New York Times)