1309.2 Required Notice Elements
The elements of a design notice must consist of the following:
• The words “Protected Design”, the abbreviation “Prot’d Des.”, the symbol ‚íπ (i.e., the letter “D” in a circle), or the symbol “*D*”;
• The year in which protection for the design commenced; and
• The name of the owner, an abbreviation by which the owner can be recognized, or a generally accepted alternative designation of the owner.
For registered designs, the registration number may be used in place of both (I) the year in which protection for the design commenced, and (ii) the name of the owner or a generally accepted alternative designation of the owner. 17 U.S.C. § 1306 (A); 37 C.F.R. § 212.4 (B).