What markings are required for “currently amended” claims in a national phase application?

For “currently amended” claims in a national phase application, specific markings are required to indicate changes. The MPEP states: “All “currently amended” claims must include markings to indicate the changes made relative to the immediate prior version of the claims: underlining to indicate additions, strike-through or double brackets for deletions (see 37 CFR 1.121(c) for…

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