Among the named linkage groups was –CH=CH–CH2–NH– (the same group recited in the patents’ dependent claims) and –NH–(CH2)6–NH– (a new group that is not found in the specification and which contains only single bonds).

Enzo Biochem, Inc. v. Applera Corp., No. 09-1281, slip op. at 15-16 (Fed. Cir. Mar. 26, 2010) (reversing summary judgment of invalidity of two patents relating to detecting and labeling nucleic acids as indefinite and due to anticipation by prior art and affirming summary judgment of another patent's invalidity as result of anticipation and non-infringement of fourth patent).