20 Open Publication License

Read the article at http://opencontent.org/openpub/


The Open Publication License was one of the first open content licenses. It has now been retired and licensors are now encouraged to use Creative Commons licenses.

Key Points

  • Severability – if part of it is unenforceable somewhere, the rest of it is still in force
  • No warranty
  • Modifications must be labeled, with acknowledgement to past and present authors and must provided reference to the original.
  • Allows for a prohibition of substantively modified versions
  • Can combine with other, less restrictive licenses.

Discussion Questions

  1. How do the OPL and Creative Commons licenses compare?  How are they similar?  How are they different?  Why?

Additional Resources

Creative Commons Licenses. (2014) http://creativecommons.org/licenses/

GNU Free Documentation License. (2014) https://www.gnu.org/copyleft/fdl.html


An Open Education Reader Copyright © 2014 by David Wiley is licensed under a Ontario Commons License – No Derivatives, except where otherwise noted.

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