TY - GEN T1 - The shape of the Lego brick is free for all to use. AU - Cappuyns, P. L1 - http://jiplp.oxfordjournals.org/cgi/reprint/4/7/499 VL - GB 137 Jul 2009 Vol 4 No 7, pages 499-505 CN - K1401.A15 LA - eng ID - 25516 L4 - http://jiplp.oxfordjournals.org/cgi/reprint/4/7/499 KW - Intellectual property. KW - Intangible property. KW - Patents KW - three-dimensional trademarks TI - The shape of the Lego brick is free for all to use. L2 - http://jiplp.oxfordjournals.org/cgi/reprint/4/7/499 LK - http://jiplp.oxfordjournals.org/cgi/reprint/4/7/499 UR - http://jiplp.oxfordjournals.org/cgi/reprint/4/7/499 ER -