INPHI CORPORATION v. NETLIST, INC. (Fed. Cir. 2015) (P) – A negative limitation is supported by a description of alternative features without articulating advantages

Negative claim limitations may be supported by the specification’s description of alternative features—even without articulating advantages or disadvantages of each feature—which can constitute a “reason to exclude” under the standard for supporting negative...

ADVANCED STEEL RECOVERY, LLC v. X-BODY EQUIPMENT, INC. (Fed. Cir. 2015) (P) – The location term “end” is limited to the region at or near where a corresponding structure ceases to exist

The location term “end” is generally limited to the region at or near where a corresponding structure ceases to exist. Here, for example, while the claim term “proximate end” was found to encompass some offset from the absolute end of a corresponding shipping...

PROMETHEUS LABORATORIES, INC. v. ROXANE LABORATORIES, INC. (Fed. Cir. 2015) (P) – It is obvious to treat a subset of patients with an otherwise known procedure without unexpected results

It is generally obvious to treat a limited subset of patients with an otherwise known procedure when there are no unexpected results directly attributable to the patient subset itself. Here, for example, limiting the patient pool for a drug treating irritable bowel...

IMAGINAL SYSTEMATIC, LLC v. LEGGETT & PLATT, INC. (Fed. Cir. 2015) (P) – Negative claim limitations will be interpreted just as broadly as positive claim limitations

Negative claim limitations will be interpreted just as broadly as positive claim limitations, which may significantly narrow the claim scope. Here, for example, method steps required to be performed “without the use of a vision guidance system” were found to exclude a...