Protecting Trademarks

The most important feature of the Apache license that distinguishes it from the BSD and MIT licenses is that it specifically protects the Apache trademark. This is an acknowledg-ment that trademarks are important assets of open source projects.

Here's what the license says:

The names "Apache" and "Apache Software Foundation" must not be used to endorse or promote products derived from this software without prior written permission. For written permission, please contact apache@apache.org. (Apache License section 4.)

Products derived from this software may not be called “Apache”, nor may “Apache” appear in their name, without prior written permission of the Apache Software Foundation. (Apache License section 5.)

On the surface, ...

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