E-40 might be suing a novelist over his 90s hit song "Save a Hoe." The rapper claims CJ Allen, the author of "Captain Save A Hoe" has ripped his famous song off.

So far, E-40 (born as Earl Stevens in 1967) issued a letter to CJ Allen in which he claims he has a trademark on his 1993 track, which covers merch, services and, most importantly, publications ... like "novel books in the fields of urban fiction."

TMZ reports that according to "Forty Fonzarelli," "Allen's book infringes on his song's copyrights and confuses fans." According to the court documents, obtained by TMZ, "a lawsuit will be filed if CJ Allen doesn't scrap the novel and provide a full accounting of all money made off it."

CJ Allen is currently in prison, but his wife claims that E-40 doesn't have a case because there is no way the readers will "confuse the book's, a sexy woman in a cape with an 'S,' with the main character in 40's music vid, a guy in a shirt and cape with a 'C.'"

E-40, a founding member of the rap group The Click and Sick Wid It Records has released twenty-seven studio albums to date, appeared on numerous movie soundtracks, and has also done guest appearances on a host of other rap albums.

Source: tmz.com