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Modifying typefaces of open source fonts

Posted: Wed May 18, 2016 8:39 am
by Anna
If I modify the typefaces of fonts licensed under SIL, GNU, Apache and MIT license, do I have to release my modified font under the same license? If I keep it for my own use and do not distribute it, can I claim copyright for it?

Posted: Wed May 25, 2016 7:54 am
by AndyJ
Hi Anna,
Sorry I must have missed this when you first posted it. Yes if you republish something which had been released under a public licence such as GPL or Creative Commons, then you have use the same licence. However you still own the copyright in the part that you modified/created and of course you do not have to release your modified version if you don't want to apply the GPL etc licence.