TY - GEN T1 - Use in commerce after Silenus :What does it mean ? / AU - Calhoun, Carol V., VL - 1980 Vol 70 No 1 pages 47-60 ID - 6717 KW - Trademarks. KW - MARKS : NATIONAL TREATMENT OF FOREIGN MARKS TI - Use in commerce after Silenus :What does it mean ? / ER -