It holds that the real area protected by copyright is the exclusive one occupied by private entities while the unprotected is public domain.

它认为著作权保护的真正领域是被私人所占有的专有领域，不被保护的则是公共领域。

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The area is now a patchwork of protected and unprotected land, much of it privately owned, including the Concord School District's 15-acre plot behind the high school.

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