Can an original claim lack written description support?
Yes, an original claim can lack written description support. According to MPEP 2163.03: “While there is a presumption that an adequate written description of the claimed invention is present in the specification as filed, In re Wertheim, 541 F.2d 257, 262, 191 USPQ 90, 96 (CCPA 1976), a question as to whether a specification provides…
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