Apache License, Version 2.0を読むの続き。 http://d.hatena.ne.jp/hyoshiok/20131224#p1 http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0には下記のように特許条項というのがある。 3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) p