What constitutes a violation of the written description requirement when changing claim scope?

Changing the scope of claims after filing can violate the written description requirement of 35 U.S.C. 112(a) in several ways: Broadening claims by removing limitations Narrowing claims by adding unsupported elements Altering numerical range limitations Using claim language not synonymous with the original disclosure As stated in MPEP 2163.05: “The failure to meet the written…

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