Company · Telecommunications Equipment
Adtran Inc
Federal civil lawsuits naming Adtran Inc, a Telecommunications Equipment company.
Ticker Nasdaq: ADTN
Business Telephone & Telegraph Apparatus
Headquarters Huntsville, AL
Adtran Inc is a public company in Telephone & Telegraph Apparatus, based in Huntsville, AL (traded on Nasdaq as ADTN). It appears in 45 federal civil lawsuits in this index, most often as a defendant (42 of 45). These cases are most often Patent and Civil Rights matters, filed between 1996 and 2025, most frequently in District Court, N.D. Alabama. The most common causes of action are Patent Infringement, Employment Discrimination, and Civil Rights. Frequent opposing parties include Ipvx Patent Holdings, Inc, Tq Delta LLC, and Burbridge.
1.5 cases/yr Predominantly defendant · 93% Patent-heavy · 64% Activity declining
Cases by State
AL — 15 cases AZ — 0 cases AR — 0 cases CA — 0 cases CO — 0 cases CT — 0 cases DE — 13 cases DC — 0 cases FL — 0 cases GA — 0 cases ID — 0 cases IL — 0 cases IN — 0 cases IA — 0 cases KS — 1 cases KY — 0 cases LA — 0 cases ME — 0 cases MD — 0 cases MA — 0 cases MI — 0 cases MN — 0 cases MS — 0 cases MO — 0 cases MT — 0 cases NE — 0 cases NV — 0 cases NH — 1 cases NJ — 0 cases NM — 0 cases NY — 2 cases NC — 0 cases ND — 0 cases OH — 0 cases OK — 0 cases OR — 0 cases PA — 0 cases RI — 0 cases SC — 0 cases SD — 0 cases TN — 0 cases TX — 13 cases UT — 0 cases VT — 0 cases VA — 0 cases WA — 0 cases WV — 0 cases WI — 0 cases WY — 0 cases
Open Cases Over Time
1996 peak 7 open 2025
Case Types Over Time
1996 2025
Frequent Opposing Parties
13 Cases — Newest First
Patent
Open
District Court, D. Delaware No. 1:25-cv-01377 Filed 11/13/2025
Patent
Terminated
District Court, D. Delaware No. 1:22-cv-00375 Filed 03/23/2022
Patent
Terminated
District Court, D. Delaware No. 1:21-cv-00234 Filed 02/22/2021
Patent
Terminated
District Court, D. Delaware No. 1:18-cv-00624 Filed 04/25/2018
Patent
Terminated
District Court, D. Delaware No. 1:17-cv-00562 Filed 05/15/2017
Patent
Terminated
District Court, D. Delaware No. 1:15-cv-00647 Filed 07/29/2015
Patent
Open
District Court, D. Delaware No. 1:15-cv-00121 Filed 02/03/2015
Patent
Terminated
District Court, D. Delaware No. 1:13-cv-01856 Filed 11/06/2013
Patent
Terminated
District Court, D. Delaware No. 1:13-cv-01486 Filed 08/28/2013
Patent
Terminated
District Court, D. Delaware No. 1:13-cv-00767 Filed 05/03/2013
Patent
Terminated
District Court, D. Delaware No. 1:12-cv-01143 Filed 09/17/2012
Patent
Terminated
District Court, D. Delaware No. 1:09-cv-00667 Filed 09/04/2009
Patent
Terminated
District Court, D. Delaware No. 1:89-cv-00196 Filed 04/19/1989
