Docket Nexus — Federal court records.
Patent Lawsuit

Shi v. Lululemon Athletica Inc

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

Shi v. Lululemon Athletica Inc is a federal patent lawsuit filed on 10/13/2025 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 →
Docket number
1:25-cv-12475
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
Plaintiff
Date filed
10/13/2025

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

Parties

Part of a Larger Litigation Pattern

This is one of 56 Patent cases in our index naming Lululemon Athletica Canada Inc — 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 Shi v. Lululemon Athletica Inc?

Shi v. Lululemon Athletica Inc is a federal patent lawsuit filed on 10/13/2025 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 1:25-cv-12475.

When was the case filed?

Shi v. Lululemon Athletica Inc was filed on 10/13/2025. 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.

Other Cases Involving These Parties

Source: public U.S. federal court record (docket 71632097).