Docket Nexus — Federal court records.
Company · Semiconductors & Chip Manufacturing

Monolithic Power Systems, Inc

Federal civil lawsuits naming Monolithic Power Systems, Inc, a Semiconductors & Chip Manufacturing company.

Public CompanySemiconductors & Chip Manufacturing
Ticker
Nasdaq: MPWR
Business
Semiconductors & Related Devices
Headquarters
West Palm Beach, FL
Incorporated in
Delaware
SEC CIK
1280452

Monolithic Power Systems, Inc is a public company in Semiconductors & Related Devices, based in West Palm Beach, FL (traded on Nasdaq as MPWR, incorporated in Delaware). It appears in 18 federal civil lawsuits in this index, most often as a defendant (12 of 18). These cases are most often Patent and Federal Tax / Statutory Actions matters, filed between 2004 and 2026, most frequently in District Court, D. Delaware. The most common causes of action are Patent Infringement and Securities. Frequent opposing parties include Reed Semiconductor Corp and Power Solutions International, Inc.

18
Lawsuits
12
As Defendant
6
As Plaintiff
7
Open
11
Terminated
2004–2026
Span
18 mo
Median Duration
0.8 cases/yrPredominantly defendant · 67%Patent-heavy · 78%Activity rising

Cases by State

AL — 0 casesAZ — 1 casesAR — 0 casesCA — 0 casesCO — 0 casesCT — 0 casesDE — 8 casesDC — 0 casesFL — 0 casesGA — 0 casesID — 0 casesIL — 0 casesIN — 0 casesIA — 0 casesKS — 0 casesKY — 0 casesLA — 0 casesME — 0 casesMD — 0 casesMA — 0 casesMI — 0 casesMN — 0 casesMS — 0 casesMO — 0 casesMT — 0 casesNE — 0 casesNV — 0 casesNH — 0 casesNJ — 0 casesNM — 0 casesNY — 0 casesNC — 0 casesND — 0 casesOH — 1 casesOK — 0 casesOR — 0 casesPA — 0 casesRI — 0 casesSC — 0 casesSD — 0 casesTN — 0 casesTX — 6 casesUT — 0 casesVT — 0 casesVA — 0 casesWA — 2 casesWV — 0 casesWI — 0 casesWY — 0 cases

Open Cases Over Time

2004peak 7 open2026

Case Types Over Time

20042026
PatentFederal Tax / Statutory ActionsCivil RightsSecurities / Commodities

Filings by Year

20042026

Case Types filter →

Patent14
Federal Tax / Statutory Actions2
Civil Rights1
Securities / Commodities1

Where Filed filter →

Frequent Opposing Parties

18 Cases — Newest First