What are the requirements for a proper obviousness-type double patenting rejection?

What are the requirements for a proper obviousness-type double patenting rejection? An obviousness-type double patenting (OTDP) rejection is used to prevent the unjustified extension of patent rights. The MPEP outlines the requirements for a proper OTDP rejection: A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one…

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