(United States Federal Circuit) - In a case arising from Cisco's request for inter partes reexamination before the U.
S. Patent and Trademark Office of all claims of a patent directed to the field of fiber optic communication sign, the Board's patentability finding on certain claims and rejection of other claims is affirmed in part and reversed in part where all the claims on appeal are unpatentable for lack of written description support.
Source: findlaw.com