That is exactly what I wanted.
BTW, tried already changing the owner name and it works. The copyright notice appears now in the owners field in metadata. A little wierd but acceptable. Pity Canon did not provide an option to add a copyright notice in the proper field in metadata for their professional grade cameras...
That's probably because there is no need to do so.
You don't lose your rights by
not including a copyright mark in any nation that signed the relevant Geneva convention.
This includes most of the civilized world, even the US.
It should be sufficient that your pictures are clearly marked as
your pictures. The date it was taken is already part of the other EXIF metadata.