Company · Pharmaceuticals & Biotechnology
Collegium Pharmaceutical, Inc
Federal civil lawsuits naming Collegium Pharmaceutical, Inc, a Pharmaceuticals & Biotechnology company.
Ticker Nasdaq: COLL
Business Pharmaceutical Preparations
Headquarters Stoughton, MA
Incorporated in Virginia
Collegium Pharmaceutical, Inc is a public company in Pharmaceutical Preparations, based in Stoughton, MA (traded on Nasdaq as COLL, incorporated in Virginia). It appears in 19 federal civil lawsuits in this index, most often as a defendant (15 of 19). These cases are most often Patent and Other Civil matters, filed between 2015 and 2025, most frequently in District Court, D. Massachusetts. The most common causes of action are Patent Infringement, Family and Medical Leave Act, and Breach of Contract. Frequent opposing parties include Purdue Pharma, L.P, Teva Pharmaceuticals USA, Inc, and Purdue Pharma LP.
1.7 cases/yr Named as defendant in 79% of cases 68% Patent Recent filings down
Cases by State
AL — 0 cases AZ — 0 cases AR — 0 cases CA — 0 cases CO — 0 cases CT — 0 cases DE — 4 cases DC — 0 cases FL — 0 cases GA — 0 cases ID — 0 cases IL — 1 cases IN — 0 cases IA — 0 cases KS — 0 cases KY — 0 cases LA — 0 cases ME — 0 cases MD — 0 cases MA — 12 cases MI — 1 cases MN — 0 cases MS — 0 cases MO — 0 cases MT — 0 cases NE — 0 cases NV — 0 cases NH — 0 cases NJ — 0 cases NM — 0 cases NY — 1 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 — 0 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
2015 peak 8 open 2025
Case Types Over Time
2015 2025
Frequent Opposing Parties
19 Cases — Newest First
Contract
Open
District Court, N.D. Illinois No. 1:25-cv-06560 Filed 06/12/2025
Labor
Open
District Court, W.D. Michigan No. 1:22-cv-01097 Filed 11/22/2022
Patent
Open
District Court, D. Massachusetts No. 1:21-cv-10598 Filed 04/09/2021
Patent
Terminated
District Court, D. Delaware No. 1:19-cv-00876 Filed 05/09/2019
Patent - ANDA
Terminated
District Court, D. Delaware No. 1:18-cv-01900 Filed 11/30/2018
Patent - ANDA
Terminated
District Court, D. Delaware No. 1:18-cv-00300 Filed 02/22/2018
Patent
Terminated
District Court, D. Massachusetts No. 1:17-cv-11923 Filed 10/06/2017
Patent
Open
District Court, D. Massachusetts No. 1:17-cv-11814 Filed 09/21/2017
Other Civil
Terminated
District Court, D. Massachusetts No. 1:17-cv-11406 Filed 07/31/2017
Other Civil
Terminated
District Court, D. Massachusetts Filed 07/31/2017
Patent
Terminated
District Court, D. Massachusetts No. 1:17-cv-10690 Filed 04/21/2017
Patent
Terminated
District Court, D. Massachusetts No. 1:16-cv-11091 Filed 06/10/2016
Patent
Open
District Court, D. Massachusetts No. 1:15-cv-13783 Filed 11/06/2015
Patent
Terminated
District Court, D. Massachusetts No. 1:15-cv-13624 Filed 10/22/2015
Patent
Open
District Court, D. Massachusetts No. 1:15-cv-13099 Filed 08/06/2015
Patent
Terminated
District Court, S.D. New York No. 1:15-cv-06179 Filed 08/06/2015
Patent
Open
District Court, D. Massachusetts No. 1:15-cv-13099 Filed 08/06/2015
Patent
Terminated
District Court, D. Massachusetts No. 1:15-cv-11294 Filed 03/26/2015
Patent
Terminated
District Court, D. Delaware No. 1:15-cv-00260 Filed 03/24/2015
