Are all U.S. Patent Claims Invalid?

Nobel Biocare Srvcs. AG v. Instradent USA, Inc. makes one wonder whether all U.S. patents are invalid, or will eventually become invalid. This case demonstrates that decisions affirming the validity of patent claims by the Federal Circuit are nothing more than advisory opinions. Decisions affirming validity of patent claims are merely a preliminary round in a fight that will last until the patent claims are all finally invalidated.
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