All of these scandals involve similar business practices: companies that purport to be acting in the best interests of their clients (for a fee) are secretly profiting from ripping them off.

FORBES: The Next Insurance Scandal (May 2, 2005)

The banks buying and selling the swaps may be doing so to hedge, speculate or earn a cut for acting on behalf of pension sponsors, hedge funds and other clients.

FORBES: Magazine Article

The bureau argued that only trademark agencies could represent clients applying for trademarks, and that the trademark law made no mention of law firms acting in this capacity.

ECONOMIST: China's powerful bureaucrats have lost a lawsuit