SimpleLegal takes as much friction out of the bill review process as possible. All a customer has to do is ask their law firm to copy SimpleLegal on each invoice, and then the magic starts to happen. SimpleLegalâ€™s system ingests the invoice and parses each line item into its database. Natural language processing systems figure out who billed what and for how long â€” and then that data is run through a machine learning system that flags outliers. One example: the system flagged a line item where a professional billed a half hour for mailing. That might not be too unusual but for the fact that the system knew the thing being mailed was a one-page form. Thatâ€™s pretty smart.