What is the purpose of preventing the issuance of two patents with patentably indistinct claims?

The purpose of preventing the issuance of two patents with patentably indistinct claims to different parties is to uphold the fundamental principle of patent law that only one patent should be granted for a single invention. This is explained in MPEP 717.01(d), which cites relevant case law: “See In re Deckler, 977 F.2d 1449, 1451–52,…

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