Quoted from Stu:I wouldn't make that assumption.....As the owner of a Graphic Design Studio for 26 years now I Copyright ALL of my "Layouts" for Brochures, Catalogs, Advertising, Media Kits, Post Cards, Direct Mail, Etc., It's in all of my contracts, specifically so that a client can't take "my" layouts and have another designer work with them ( call it job security ).....It may not be printed on the playfield that the "Layout" is copyrighted, but it "might" be,....
You can say anything is copyrighted, whether or not it would hold up legally is a different story.
Apple tried to claim rectangular shape of the iPhone is proprietary, but that was shot down pretty quickly.