And stops it working in Tailor - which doesn't like comments in .obj files. So for Poser use you'll want to place near top where user can remove to run it in Tailor. Format of copyright should be of the form: Copyright (C) 2003 Bodgit and Run Ltd. All Rights Reserved. Year should be year it is/was actually published. If it is republished in subsequent years you'd do something like 2001, 2003 you don't include the years for which it existed but wasn't republished. If you publish every year for number of years, you might show date as 2000-2003 All software is automatically copyrighted by publishing in US, but a .obj file might not be determined to be software per se, so putting in the copyright statement is not a bad idea. You'd also want to include as a copyright text file in the package when you publish, in case the use doesn't knwo they can open .obj files in a text editor.