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License Notes

This license was found in the udunits2 software. It is a free software license (derived from BSD with additional patent wording). We consider it to be GPLv2 and GPLv3 compatible.

License Text

Copyright 2014 University Corporation for Atmospheric Research and
contributors.
All rights reserved.

This software was developed by the Unidata Program Center of the
University Corporation for Atmospheric Research (UCAR)
<http://www.unidata.ucar.edu>.

Redistribution and use in source and binary forms, with or without
modification,
are permitted provided that the following conditions are met:

   1) Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
   2) Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in
      the documentation and/or other materials provided with the
      distribution.
   3) Neither the names of the development group, the copyright
      holders, nor the names of contributors may be used to endorse or
      promote products derived from this software without specific
      prior written permission.
   4) This license shall terminate automatically and you may no longer
      exercise any of the rights granted to you by this license as of
      the date you commence an action, including a cross-claim or
      counterclaim, against the copyright holders or any contributor
      alleging that this software infringes a patent. This termination
      provision shall not apply for an action alleging patent
      infringement by combinations of this software with other software
      or hardware.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.