Docket Nexus — Federal court records.
Company · Rubber & Plastics Manufacturing

AptarGroup, Inc

Federal civil lawsuits naming AptarGroup, Inc, a Rubber & Plastics Manufacturing company.

Public CompanyRubber & Plastics Manufacturing
Ticker
NYSE: ATR
Business
Plastics Products, NEC
Headquarters
Crystal Lake, IL
Incorporated in
Delaware
SEC CIK
896622

AptarGroup, Inc is a public company in Plastics Products, NEC, based in Crystal Lake, IL (traded on NYSE as ATR, incorporated in Delaware). It appears in 16 federal civil lawsuits in this index, most often as a plaintiff (10 of 16). These cases are most often Patent and Contract matters, filed between 1994 and 2025, most frequently in District Court, N.D. Illinois. The most common causes of action are Patent Infringement, Breach of Contract, and Employment. Frequent opposing parties include Ars Pharmaceuticals, Inc and 3M Company.

16
Lawsuits
6
As Defendant
10
As Plaintiff
2
Open
14
Terminated
1994–2025
Span
9 mo
Median Duration
0.5 cases/yrNamed as plaintiff in 62% of cases50% PatentRecent filings up

Cases by State

AL — 0 casesAZ — 0 casesAR — 0 casesCA — 1 casesCO — 0 casesCT — 0 casesDE — 1 casesDC — 0 casesFL — 0 casesGA — 0 casesID — 0 casesIL — 10 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 — 3 casesNC — 0 casesND — 0 casesOH — 0 casesOK — 0 casesOR — 0 casesPA — 1 casesRI — 0 casesSC — 0 casesSD — 0 casesTN — 0 casesTX — 0 casesUT — 0 casesVT — 0 casesVA — 0 casesWA — 0 casesWV — 0 casesWI — 0 casesWY — 0 cases

Open Cases Over Time

1994peak 2 open2025

Case Types Over Time

19942025
PatentContractCivil RightsFederal Tax / Statutory ActionsAntitrust

Filings by Year

19942025

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Patent8
Contract3
Civil Rights2
Federal Tax / Statutory Actions2
Antitrust1

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Frequent Opposing Parties

Filtered Contract Clear

3 Cases — Newest First