Table 1 Number of occurrences and types of intellectual property interventions
Count of license type interventions in sample | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
From\To | Description | A | B | C | D | E | F | G | Sum | Ranking |
A | None (or “other”). | 0 | 22 | 2 | 13 | 3 | 47 | 1 | 88 | 5 |
B | Non-Restrictive and Relicensable (e.g., Public Domain or MIT). | 8 | 0 | 7 | 20 | 16 | 31 | 45 | 127 | 4 |
C | Academic Free License-AFL (Non-Restrictive and Relicensable). | 2 | 5 | 0 | 0 | 0 | 7 | 0 | 14 | 7 |
D | Restrictive and Non-Relicensable (e.g., GNU Lesser General Public License-LGPL). | 6 | 34 | 0 | 0 | 21 | 67 | 6 | 134 | 3 |
E | Restrictive and Relicensable (e.g., Mozilla Public License-MPL). | 3 | 19 | 0 | 12 | 0 | 7 | 8 | 49 | 6 |
F | Restrictive, Highly Restrictive and Non-Relicensable (e.g., GNU General Public License-GPL). | 36 | 81 | 3 | 137 | 5 | 0 | 155 | 417 | 1 |
G | Restrictive, Highly Restrictive and Relicensable (e.g., dual licensed: GPL and Apache). | 0 | 32 | 0 | 6 | 6 | 139 | 0 | 183 | 2 |
Sum | 55 | 193 | 12 | 188 | 51 | 298 | 215 | 1012 | ||
Rank | 5 | 3 | 7 | 4 | 6 | 1 | 2 | |||