Your work is copyrighted no matter what you put in it (at least in countries that have adopted the Berne Convention). The reason you want to put a copyright lin

Your work is copyrighted no matter what you put in it (at least in countries that have adopted the Berne Convention). The reason you want to put a copyright line in source code is to remind the reader that it is in fact copyrighted. I think `(c) ACME Ltd.` is a perfectly reasonable formula for that purpose, but `Copyright ACME Limited. All rights reserved` or `© www.acme.ltd` should also work – pick whatever feels more suitable. IANAL