stackexchange helped me out in many ways and right now I'm stuck with the next problem.
There is a company, my company paid, to extend an opensource code because we had no time. The original code is licensed by EPL. The original License from the existing opensource code looks like this:
Eclipse Public License - v 1.0 ...
The company that extended the code now wanted to hand over the code to us and added a new line to the license:
Copyright (c) 2020, CompanyName All rights reserved. Eclipse Public License - v 1.0 ...
Is this allowed? I get a strange feeling about this, but I'm new to opensource and don't know if this is common practise.
Thank you for your help!