Update copyright notice and license agreement

LICENSE → LICENSE.txt

@@ -19,16 +19,15 @@ without specific prior written permission.
 
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 You are under no obligation whatsoever to provide any bug fixes, patches,
 or upgrades to the features, functionality or performance of the source

NOTICE.txt

@@ -0,0 +1,14 @@
+PALS Python Copyright (c) 2025, The Regents of the University of California,
+through Lawrence Berkeley National Laboratory (subject to receipt of
+any required approvals from the U.S. Dept. of Energy). All rights reserved.
+
+If you have questions about your rights to use or distribute this software,
+please contact Berkeley Lab's Intellectual Property Office at
+[email protected].
+
+NOTICE.  This Software was developed under funding from the U.S. Department
+of Energy and the U.S. Government consequently retains certain rights.  As
+such, the U.S. Government has been granted for itself and others acting on
+its behalf a paid-up, nonexclusive, irrevocable, worldwide license in the
+Software to reproduce, distribute copies to the public, prepare derivative 
+works, and perform publicly and display publicly, and to permit others to do so.

README.md

@@ -73,3 +73,17 @@ You can also run the unit tests available in the [tests](https://github.com/camp
 Here, the command line option `-v` increases the verbosity of the output.
 You can also use the command line option `-s` to display any test output directly in the console (useful for debugging).
 Please refer to [pytest's documentation](https://docs.pytest.org/en/stable/) for further details on the available command line options and/or run `pytest --help`.
+
+## Copyright Notice and License Agreement
+
+PALS Python Copyright (c) 2025, The Regents of the University of California,
+through Lawrence Berkeley National Laboratory (subject to receipt of
+any required approvals from the U.S. Dept. of Energy). All rights reserved.
+
+If you have questions about your rights to use or distribute this software,
+please contact Berkeley Lab's Intellectual Property Office at
+[email protected].
+
+Please find the full copyright notice in [NOTICE.txt](NOTICE.txt) and the full license agreement in [LICENSE.txt](LICENSE.txt).
+
+The SPDX license identifier is `BSD-3-Clause-LBNL`.