Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ 

Files: *
Copyright: 2016 Canonical Ltd.
License: LGPL-2 or LGPL-3

Files: debian/*
Copyright: 2016 Canonical Ltd.
License: GPL-3+

License: GPL-3+
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 .
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
Comment: On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-3’.

License: LGPL-2
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License version 2 as published by the Free Software Foundation.
 .
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public
 License along with this package; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 USA
Comment: On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in `/usr/share/common-licenses/LGPL-2’.

License: LGPL-3
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License version 2 as published by the Free Software Foundation.
 .
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public
 License along with this package; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 USA
Comment: On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in `/usr/share/common-licenses/LGPL-3’.