Copywritten vs. Copyrighted — What's the Difference?

Past participle of copywrite

The legal right granted to an author, composer, playwright, publisher, or distributor to exclusive publication, production, sale, or distribution of a literary, musical, dramatic, or artistic work.

(nonstandard) copyrighted

Of or relating to a copyright

Protected by copyright

To secure a copyright for.

(legal) Covered by a copyright, not public domain.

Simple past tense and past participle of copyright

(of literary or musical or dramatic or artistic work) protected by copyright;