Federal Case Summaries
Show: 1 day 1 week 1 month All
Custom (decided):
Coverage since November 3, 1994
✉️ New decisions, briefed in your inbox every morning — subscribe to Daily Case Law, free →

Federal

Federal Circuit
Uncategorized

Teleflex, Inc. v. Ficosa North America Corp. — Claim Terms Take Ordinary Meaning Unless Specification Shows Clear Disavowal

The Federal Circuit affirmed infringement and reversed the district court’s overly narrow claim construction, reaffirming that claim terms carry their ordinary and accustomed meaning unless the patentee clearly redefined the term or disclaimed certain subject matter in the intrinsic record.

Federal Circuit
Uncategorized

Catalina Marketing International v. Coolsavings.com — Method Claim Preamble Is Not Limiting Unless Patentee Relied on It to Distinguish Prior Art

The Federal Circuit affirmed non-infringement in an e-commerce coupon patent case, holding that preamble language in a method claim does not limit the claim’s scope when the claim body describes a structurally complete invention and the patentee did not rely on the preamble to distinguish prio

Federal Circuit
Uncategorized

CCS Fitness v. Brunswick Corp. — Claim Term “Member” Carries Ordinary Meaning; Not Limited to Single-Component Structure Shown in Patent Drawings

The Federal Circuit reversed a narrow claim construction, holding that the claim term “reciprocating member” in an exercise equipment patent should be given its ordinary meaning encompassing multi-component and curved structures, not limited to the single straight bar depicted in the spe

Federal Circuit
Uncategorized

Johnson & Johnston Associates v. R.E. Service Co. — En Banc Federal Circuit Holds Disclosed-But-Unclaimed Subject Matter Is Dedicated to the Public

In an en banc decision, the Federal Circuit held that subject matter disclosed in a patent specification but not claimed is dedicated to the public and cannot be recaptured through the doctrine of equivalents — patentees who fail to claim a disclosed alternative cannot later assert it as equivalent

Federal Circuit
Uncategorized

Symbol Technologies, Inc. v. Lemelson Medical — Prosecution Laches Can Bar Enforcement of Submarine Patents Delayed Decades

The Federal Circuit held that the equitable doctrine of prosecution laches can bar enforcement of patent claims that issued after an unreasonable and unexplained multi-decade delay in patent prosecution — a landmark ruling against Jerome Lemelson’s famous ‘submarine patent’ strateg

Federal Circuit
Uncategorized

Rexnord Corp. v. Laitram Corp. — Specifications Describe Preferred Embodiments and Cannot Limit Claims to Those Embodiments Absent Clear Disclaimer

The Federal Circuit reversed a summary judgment of non-infringement in a modular conveyor belt patent case, holding that the district court improperly limited the claim term ‘portion’ to a narrow construction requiring physical separation, when the plain meaning of ‘portion’

Federal Circuit
Uncategorized

Bio-Technology General Corp. v. Genentech, Inc. — Patent on Recombinant Human Growth Hormone Is Enabled Even Though Process Produces Predominantly Met-hGH Rather Than Mature hGH

The Federal Circuit reversed a judgment of invalidity for lack of enablement, holding that a patent on a recombinant method for producing human growth hormone (hGH) was adequately enabled even though the process predominantly produced met-hGH (containing an extra methionine residue) rather than matu

Federal Circuit
Uncategorized

Toro Co. v. White Consolidated Industries — Separating a Unitary Claim Structure into Two Pieces May Infringe Under Doctrine of Equivalents

The Federal Circuit vacated summary judgment and remanded for trial, holding that splitting a claimed unitary structure into two separate components may constitute infringement under the doctrine of equivalents even when the literal claim requirement for a single integrated piece is not met.

Federal Circuit
Uncategorized

Exxon Research & Engineering Co. v. United States — Close Questions of Claim Construction Do Not Automatically Render Claims Indefinite

The Federal Circuit reversed a summary judgment of invalidity for indefiniteness, reaffirming that claims are sufficiently definite under § 112 if a person skilled in the art would understand the bounds of the claim when read in light of the specification — close questions of claim construction do n

Federal Circuit
Uncategorized

Gart v. Logitech, Inc. — Preferred Embodiment’s Specific Structure Cannot Limit Broader Claim Language; Patent Notice Letters Must Identify Specific Products

The Federal Circuit vacated summary judgment of non-infringement, holding that the district court improperly imported a structural limitation (a “ledge”) from the patent drawings into a broader claim term (“angular medial surface”), and clarified when a patentee’s pre-s

Scroll to Top