Legal jobs in the industry are such jobs like media lawyer and executive producer.
An executive producer job in TV is someone who deals with the business aspect of production were as in film the executive producer can be the person who wrote the story as a book or a play which the film is based on, but an executive producer is the person representing the financial side of the production. In music the executive producer is normally in charge of the project as director but is also controls the business side of production, distribution and promotion.
Copyright lawyers, it is there job to copyright the film or music names so that it belongs to the production company. Generally these types of lawyers will help there client apllying for copyright and representing the clients in cases over copyright ownership and the usage of copyrighted material.