In June 2003, David A. Wiley, the founder of the Open Content Project, indicated that the Creative Commons licenses, which were developed in collaboration with lawyers, would be "more likely to stand up in court" than the Open Content Project licenses, which were not.
[1] He also announced that for this reason, he was joining Creative Commons and shutting down the Open Content Project, and that users thinking of using an Open Content Project license would be "far better off using a Creative Commons license".
[4] ("OPL", as used by the Open Content Project in 1998, stood for OpenContent Principles and License.
[1] This ambiguity about the initialism "OPL" risks confusion, and the only sure way to know which of the two licenses is being referred to, in a given context, is to look for the full name.
[9] Eric S. Raymond's book The Cathedral and the Bazaar (1999) was published under the Open Publication License.