It's not legal just because the copyright owner doesn't immediately sue you.
If a copyright infringement falls in a forest and nobody is around to hear it, did it make a sound?
Technically it isn't illegal until the copyright holder decides not to grant (retroactive) permission.
If a copyright infringement falls in a forest and nobody is around to hear it, did it make a sound?
Technically it isn't illegal until the copyright holder decides not to grant (retroactive) permission.