Docket Nexus — Federal court records.
Patent Lawsuit

Wuhan Youyou Luming Information Technology Co., Ltd v. Dongguan Lianguang Electronic Technology Co., Ltd

Patent Open / Active District Court, N.D. Illinois

Wuhan Youyou Luming Information Technology Co., Ltd v. Dongguan Lianguang Electronic Technology Co., Ltd is a federal patent lawsuit filed on 03/25/2026 in the District Court, N.D. Illinois. The case is currently open in the federal court system.

Court
District Court, N.D. Illinois (N.D. Ill.)
Official Court Website →
Assigned judge
April M. Perry · 241 cases in index
Docket number
1:26-cv-03308
Cause
28:2201 Declaratory Judgement
28 U.S.C. § 2201 — Declaratory judgment
Nature of suit
830 Patent
Infringement of a patented invention.
Jurisdiction
Federal Question
Jury demand
None
Date filed
03/25/2026

5,112 Patent cases in this court are indexed here.

Part of a Larger Litigation Pattern

This is one of 2 Patent cases in our index naming Dongguan Lianguang Electronic Technology Co., Ltd — a possible mass-tort or coordinated-litigation cluster.

    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 Wuhan Youyou Luming Information Technology Co., Ltd v. Dongguan Lianguang Electronic Technology Co., Ltd?

    Wuhan Youyou Luming Information Technology Co., Ltd v. Dongguan Lianguang Electronic Technology Co., Ltd is a federal patent lawsuit filed on 03/25/2026 in the District Court, N.D. Illinois. The case is currently open in the federal court 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 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, N.D. Illinois, docket number 1:26-cv-03308.

    When was the case filed?

    Wuhan Youyou Luming Information Technology Co., Ltd v. Dongguan Lianguang Electronic Technology Co., Ltd was filed on 03/25/2026. The case is currently open.

    What law is the case brought under?

    The docket lists the cause as 28 U.S.C. § 2201 — Declaratory judgment.

    Source: public U.S. federal court record (docket 72810504).