Pfizer Inc. v. Ranbaxy Laboratories Limited
Dependent claims must reference a previous claim and must further limit the subject matter of that claim. Failure to comply with this requirement invalidates the claim under 35 U.S.C. §112.
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TAP Pharmaceutical Products Inc. v. OWL Pharmaceuticals LLC
Claims for a polymer comprising a copolymer of lactic acid and glycolic acid do not require that polymer be made from direct polymerization of lactic acid and glycolic acid starting materials.