Law & Order font here refers to the font used in the title card of Law & Order, which is an American police procedural and legal drama TV series first aired on NBC in 1990.
The title lettering of the TV show was probably designed using a font called Friz Quadrata Std Roman, with neon effects added on the text. Friz Quadrata Std Roman is a commercial font and you can purchase it here.
Download Friz Quadrata Font
The Friz Quadrata font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.