| copyright protect | 2.11 | Copyright protects expression not idea. | ||
| copyright be | 0.72 | Copyright is another problem area. | ||
| copyright expire | 0.26 | Such borrowing is accomplished most easily when a copyright has expired or never existed. |
| copyright protect | 2.11 | Copyright protects expression not idea. | ||
| copyright be | 0.72 | Copyright is another problem area. | ||
| copyright expire | 0.26 | Such borrowing is accomplished most easily when a copyright has expired or never existed. |