Sumfinidade Unipessoal Lda v. Altair Engineering Inc
Sumfinidade Unipessoal Lda v. Altair Engineering Inc is a federal copyright lawsuit filed on 12/09/2025 in the District Court, E.D. Michigan. The case is currently open in the federal court system.
- Court
- District Court, E.D. Michigan (E.D. Mich.)
Official Court Website → - Assigned judge
- Robert J. White · 132 cases in index
- Docket number
- 2:25-cv-13956
- Cause
- 17:501 Copyright Infringement
17 U.S.C. § 501 — Copyright infringement - Nature of suit
- 820 Copyright
Infringement of copyrighted works. - Jurisdiction
- Federal Question
- Jury demand
- Plaintiff
- Date filed
- 12/09/2025
1,939 Copyright cases in this court are indexed here.
Parties
- plaintiff · Sumfinidade Unipessoal Lda · 18 cases
- defendant · Altair Engineering, Inc · 4 cases
Part of a Larger Litigation Pattern
This is one of 5 Copyright cases in our index naming Altair Engineering, Inc — a possible mass-tort or coordinated-litigation cluster.
About Copyright Lawsuits
Copyright lawsuits allege unauthorized use, copying, or distribution of creative works protected under the Copyright Act — including software, music, film, writing, and images.
Frequently Asked Questions
What is Sumfinidade Unipessoal Lda v. Altair Engineering Inc?
Sumfinidade Unipessoal Lda v. Altair Engineering Inc is a federal copyright lawsuit filed on 12/09/2025 in the District Court, E.D. Michigan. The case is currently open in the federal court system. Copyright lawsuits allege unauthorized use, copying, or distribution of creative works protected under the Copyright Act — including software, music, film, writing, and images.
What type of case is this?
It is classified as “Copyright” under the federal nature-of-suit system. Copyright lawsuits allege unauthorized use, copying, or distribution of creative works protected under the Copyright Act — including software, music, film, writing, and images.
What court is the case in?
The case is in the District Court, E.D. Michigan, docket number 2:25-cv-13956.
When was the case filed?
Sumfinidade Unipessoal Lda v. Altair Engineering Inc was filed on 12/09/2025. The case is currently open.
What law is the case brought under?
The docket lists the cause as 17 U.S.C. § 501 — Copyright infringement.
Other Cases Involving These Parties
Related Copyright Cases
Source: public U.S. federal court record (docket 72010577).