Topic

Intellectual Property

Every decision we've filed under Intellectual Property.

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May 13 2026
Fed. Cir. 24-1641 Panel Decision

Actelion Pharmaceuticals Ltd v. Mylan Pharmaceuticals Inc

The United States Court of Appeals for the Federal Circuit affirmed a district court ruling that Mylan Pharmaceuticals did not infringe Actelion Pharmaceuticals' patents for a stable epoprostenol drug formulation. The court held that the patent claim term requiring a pH of thirteen or higher refers to measurements taken at standard temperature, and that Actelion was barred from asserting infringement by equivalence.

Civil Intellectual Property
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May 11 2026
Fed. Cir. 24-2223 Panel Decision

METROM RAIL, LLC v. SIEMENS MOBILITY, INC

The United States Court of Appeals for the Federal Circuit reversed and affirmed in part a Patent Trial and Appeal Board decision regarding railroad collision-avoidance patents. The court held that certain claims were obvious but reversed the finding that other claims were not unpatentable due to a claim construction error.

Civil Intellectual Property
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May 6 2026
Fed. Cir. 25-1110 Panel Decision

Lu v. Hyper Bicycles, Inc.

The United States Court of Appeals for the Federal Circuit affirmed a district court's award of attorney fees to a defendant in a patent infringement case. The appellate court found no abuse of discretion in determining the case was exceptional due to the plaintiff's lack of good faith prosecution.

Civil Intellectual Property Summary Judgment
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