R.I. Gen. Laws § 5-34-17: Right to use practical nurse title.

Any person who holds a license to practice nursing as a practical nurse in this state has the right to use the title “Licensed Practical Nurse” and the abbreviation “L.P.N.” No other person may assume that title or use that abbreviation or any other words, letters, signs, figures, or devices to indicate that the person using it is a licensed practical nurse.