This movie is based on a true story and had the blessing of real-life Weiss and Danziger. Weiss and Danzinger had been approached by an inventor having trouble selling a safety syringe developed to protect health care workers from accidentally being infected by dirty needles due to a major industry needle maker and hospital group purchasing organizations pushing back against the introduction of the new, safer syringes.
Some of Chris Evans' real tattoos can be seen on this film among a few others that were custom made for his character
Mark Lanier, the famous Houston attorney is played by the real Mark Lanier. Price's mansion in the movie is actually Lanier's real North Houston (Champions) home.
Early in the movie, Mike Weiss (Chris Evans) is in court representing a firefighter client. The scene was shot at the Harris County Civil Courthouse in downtown Houston.