hi, i have a logo designed for a my customer, but today i have seen it on a magazine as a logo of another firm that is not my client. Do you know if i have some rigths on that logo?
This is the copywriting forum. It has nothing to do with copyright law. If you live in a country where Berne Convention standards apply, copyright is automatic. You have an automatic right to control the way your work - in this case, your logo - is used. More on copyright law.
I am a fan of the name and shame approach This is DP. Any sort of discussion about it hits page one for various terms on Google in under an hour. Nigel