How does the scope of issues considered in ex parte reexamination under 35 U.S.C. 257 differ from standard reexaminations?

The scope of issues considered in ex parte reexamination under 35 U.S.C. 257 is broader than in standard reexaminations. MPEP 2823 states: “issues in addition to those raised by patents and printed publications and by subject matter added or deleted during an ex parte reexamination proceeding may be considered and resolved, which differs from 37…

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