Lucent Technologies v. Cisco Systems Inc

Court

District Court, D. Delaware (D. Del.)
Official Court Website →

Assigned judge

Joseph J. Farnan, Jr. · 1,586 cases in index

Docket number

1:98-cv-00349

Nature of suit

830 Patent
Infringement of a patented invention.

Jurisdiction

Federal question

Date filed

06/18/1998

Date terminated

06/24/1999

11,817 Patent cases in this court are indexed here.

Parties

• plaintiff · Lucent Technologies · 369 cases
• defendant · Cisco Systems, Inc · 281 cases

Part of a Larger Litigation Pattern

This is one of 282 Patent cases in our index naming Cisco Systems, Inc — a possible mass-tort or coordinated-litigation cluster.

• Athena Security, LLP v. Cisco Systems, Inc
  District Court, E.D. TexasFiled 12/09/2025
• Privakey, Inc v. Cisco Systems, Inc
  District Court, E.D. TexasFiled 10/01/2025
• Alpha Modus Ventures, LLC v. Cisco Systems, Inc
  District Court, W.D. TexasFiled 06/09/2025
• Diorite Technology, LLC v. Cisco Systems, Inc
  District Court, E.D. TexasFiled 05/28/2025
• Dynamic Mesh Networks, Inc. D/B/A MeshDynamics v. Cisco Systems, Inc
  District Court, E.D. TexasFiled 05/05/2025
• Cisco Systems, Inc v. Intelligent Protection Management Corp
  District Court, D. DelawareFiled 03/07/2025

About Patent Lawsuits

Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.

Frequently Asked Questions

What is Lucent Technologies v. Cisco Systems Inc?

Lucent Technologies v. Cisco Systems Inc is a federal patent lawsuit filed on 06/18/1998 in the District Court, D. Delaware. The case was terminated on 06/24/1999. Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.

What type of case is this?

It is classified as “Patent” under the federal nature-of-suit system. Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.

What court is the case in?

The case is in the District Court, D. Delaware, docket number 1:98-cv-00349.

When was the case filed?

Lucent Technologies v. Cisco Systems Inc was filed on 06/18/1998. It was terminated on 06/24/1999.