As it continues to market litigation funding to law firms, Bentham IMF launched a new tool on Wednesday that it promises will show managing partners how outside financing can help their bottom lines.

Litigation funding was virtually unknown just a few years ago, and the U.S. Chamber of Commerce and some other critics still find the business objectionable. But with more and more law firms beginning to experiment with outside financing, they are coming to appreciate one big potential benefit: The billable hours in a matter funded by a third party will be paid in full—and on time.