Question About CPL and EPL

Helge Reikeras helge.reikeras at
Mon Sep 6 20:32:13 UTC 2010

Hi David

On Mon, Sep 6, 2010 at 7:00 PM, David Dodini <david at> wrote:
> Hi,
> Our company has a dependency on wsdl4j which is covered by the Common Public
> License. We have a customer who is concerned about using our software
> because of its requirement to distribute our source per its requirements
> even though we only rely on it as an external library w/o modification to
> the original source.
> In our research we found on your site this page,
>, which states that the CPL is
> deprecated and superseded by the Eclipse Public License. The EPL is not a
> concern of ours and our customer as we do not have to distribute our source
> for using it as an external library.
> Does the deprecation of the CPL and it being superseded by the EPL indemnify
> us from adherence to terms of the CPL in favor of those of the EPL even in
> the the case of a library like wsdl4j which is distributed under the CPL?

In general, no. The license the software was originally distributed
under (CPL) still applies. However, you may be able to contact the
copyright holder of the source code and propose they change the
license to EPL for future releases (or even current and previous ones
if you require).

> Thank you for your time and consideration.
> Sincerely,
> David Dodini


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