District court · D. Del.
Data Fence Sues CSC Holdings on a Call-Control Patent.
On September 14, 2026, Data Fence LLC sued CSC Holdings in the District of Delaware, No. 1:26-cv-01150, asserting U.S. Patent 9,491,286 tied to Optimum Home Phone and call-control functionality.
By Patent Litigator · September 15, 2026 · 3 min read
Data Fence LLC filed Data Fence LLC v. CSC Holdings, LLC, No. 1:26-cv-01150 (D. Del.), on September 14, 2026. The suit asserts U.S. Patent 9,491,286 and points at Optimum Home Phone and related call-control features.
What it means in plain terms
This is a telecom and home-phone feature suit in Delaware.
What to watch next
Watch for CSC Holdings' answer or early motions, and for whether Data Fence asserts the same patent against other cable or VoIP providers.
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