17 U.S.C. 1306: Design notice
Taken from the U.S. Government Publishing Office in February 2016
§1306 Design notice
(a)
(A) the words "Protected Design", the abbreviation "Prot'd Des.", or the letter "D" with a circle, or the symbol "*D*";
(B) the year of the date on which protection for the design commenced; and
(C) the name of the owner, an abbreviation by which the name can be recognized, or a generally accepted alternative designation of the owner.
Any distinctive identification of the owner may be used for purposes of subparagraph (C) if it has been recorded by the Administrator before the design marked with such identification is registered.
(2) After registration, the registration number may be used instead of the elements specified in subparagraphs (B) and (C) of paragraph (1).
(b)
(c)