33 cases: 3 open, 7 closed (disposition not in docket feed), 15 dismissed, 8 judgment
United States ex rel. Black Arrow Strategies LLC v. Quantum Corporation open matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:26-cv-06340 · Filed Jun 25, 2026 ·
Nature of suit:
376 Qui Tam (31 U.S.C. § 3729(a))
· Cause:
31:3730 Qui Tam False Claims Act
Role of Quantum Corporation:
Defendant · Outcome:
Open — no termination date on the docket (bulk snapshot 2026-09-30) Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Lee v. Quantum Corporation open matched at sponsor-group level (Quantum)
District Court, D. Colorado · No. 1:25-cv-02770 · Filed Sep 4, 2025 ·
Nature of suit:
850 Securities, Commodities, Exchange
· Cause:
15:78 Securities Exchange Act
Role of Quantum Corporation:
Defendant · Outcome:
Open — no termination date on the docket (bulk snapshot 2026-09-30) Docket on CourtListener ↗exact company name; name has one distinctive word; court in CO (not the issuer's state)
Arrow Electronics, Inc. v. Quantum Corporation closed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:23-cv-03746 · Filed Jul 27, 2023 · Closed Mar 31, 2025 ·
Nature of suit:
190 Contract: Other
· Cause:
28:1332 Diversity-Breach of Contract
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2025-03-31 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Nabhan v. Quantum Corp. dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 3:18-cv-00925 · Filed Feb 13, 2018 · Closed May 18, 2020 ·
Nature of suit:
850 Securities/Commodities
· Cause:
15:78m(a) Securities Exchange Act
Role of Quantum Corp.:
Defendant · Outcome:
Terminated 2020-05-18 — FJC Integrated Database disposition: Dismissed: other Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Lazan v. Quantum Corporation judgment matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 3:18-cv-00923 · Filed Feb 13, 2018 · Closed Nov 27, 2019 ·
Nature of suit:
850 Securities/Commodities
· Cause:
15:78m(a) Securities Exchange Act
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2019-11-27 — FJC Integrated Database disposition: Other; judgment for unknown Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Quantum, Inc v. Akeso Health Sciences, LLC open matched at sponsor-group level (Quantum)
District Court, E.D. Michigan · No. 2:16-mc-51574 · Filed Oct 28, 2016 ·
Nature of suit:
Other Statutory Actions
· Cause:
No cause code entered
Role of Quantum, Inc:
Plaintiff · Outcome:
Open — no termination date on the docket (bulk snapshot 2026-09-30) Docket on CourtListener ↗exact company name; name has one distinctive word; court in MI (not the issuer's state)
Quantum, Inc. v. Akeso Health Sciences, LLC judgment matched at sponsor-group level (Quantum)
District Court, D. Oregon · No. 3:16-cv-00334 · Filed Feb 23, 2016 · Closed Aug 8, 2017 ·
Nature of suit:
190 Contract: Other Contract Actions
· Cause:
28:2201 Declaratory Judgment
Role of Quantum, Inc.:
Plaintiff · Outcome:
Terminated 2017-08-08 — FJC Integrated Database disposition: Judgment on jury verdict; judgment for defendant Docket on CourtListener ↗exact company name; name has one distinctive word; court in OR (not the issuer's state)
ONE BEACON INSURANCE COMPANY v. QUANTUM CORPORATION dismissed matched at sponsor-group level (Quantum)
District Court, D. New Jersey · No. 2:10-cv-01174 · Filed Mar 4, 2010 · Closed Nov 10, 2011 ·
Nature of suit:
380 Other personal property damage
Role of QUANTUM CORPORATION:
Defendant · Outcome:
Terminated 2011-11-10 — FJC Integrated Database disposition: Dismissed: settled Docket on CourtListener ↗exact company name; name has one distinctive word; court in the group's state (NJ)
MOORBY v. QUANTUM INC dismissed matched at sponsor-group level (Quantum)
District Court, District of Columbia · No. 1:07-cv-01596 · Filed Sep 7, 2007 · Closed Nov 5, 2007 ·
Nature of suit:
890 Other statutory actions
Role of QUANTUM INC:
Defendant · Outcome:
Terminated 2007-11-05 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in DC (not the issuer's state)
Quantum Corporation v. AMG Technologies Inc closed matched at sponsor-group level (Quantum)
District Court, C.D. California · No. 8:05-cv-00413 · Filed May 3, 2005 · Closed Mar 16, 2006 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 2006-03-16 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Storage Technology Corporation v. Quantum Corporation closed matched at sponsor-group level (Quantum)
District Court, D. Minnesota · No. 0:04-mc-00074 · Filed Dec 3, 2004 · Closed Jan 12, 2005
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2005-01-12 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗exact company name; name has one distinctive word; court in MN (not the issuer's state)
Cincom Systems Inc v. Quantum Corporation dismissed matched at sponsor-group level (Quantum)
District Court, S.D. Ohio · No. 1:04-cv-00025 · Filed Jan 14, 2004 · Closed Dec 6, 2004 ·
Nature of suit:
850 Securities, Commodities, Exchange
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2004-12-06 — FJC Integrated Database disposition: Dismissed: settled Docket on CourtListener ↗exact company name; name has one distinctive word; court in OH (not the issuer's state)
Matsushita Kotobuki Electronics Industies, LTD v. Quantum Corporation dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:03-cv-05860 · Filed Dec 30, 2003 · Closed Oct 28, 2004 ·
Nature of suit:
190 Contract: Other
· Cause:
28:1332 Diversity-Breach of Contract
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2004-10-28 — FJC Integrated Database disposition: Dismissed: settled Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Imation Corp. v. Quantum Corporation judgment matched at sponsor-group level (Quantum)
District Court, D. Minnesota · No. 0:01-cv-01798 · Filed Oct 1, 2001 · Closed May 31, 2002 ·
Nature of suit:
410 Antitrust
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2002-05-31 — FJC Integrated Database disposition: Other; judgment for both plaintiff and defendant Docket on CourtListener ↗exact company name; name has one distinctive word; court in MN (not the issuer's state)
Quantum Corporation v. Harris Environmental dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:00-cv-20420 · Filed Apr 17, 2000 · Closed Jun 1, 2000 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 2000-06-01 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Lunaire Limited v. Quantum Corporation closed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:00-cv-20541 · Filed Mar 31, 2000 · Closed May 31, 2001
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2001-05-31 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Quantum Corporation v. Lunaire Limited dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:00-cv-20178 · Filed Feb 16, 2000 · Closed Nov 2, 2000 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 2000-11-02 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Quantum Corporation v. CHS Electrinics, Inc dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:99-cv-21229 · Filed Dec 21, 1999 · Closed Apr 10, 2000 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 2000-04-10 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Lunaire Limited v. Quantum Corporation closed matched at sponsor-group level (Quantum)
District Court, M.D. Pennsylvania · No. 4:99-cv-02167 · Filed Dec 16, 1999 · Closed Mar 28, 2000 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 2000-03-28 — FJC Integrated Database disposition: Transfer to another district Docket on CourtListener ↗exact company name; name has one distinctive word; court in PA (not the issuer's state)
Quantum Corporation v. TJX Companies closed matched at sponsor-group level (Quantum)
District Court, S.D. New York · No. 1:99-cv-09835 · Filed Sep 17, 1999 · Closed Nov 9, 1999 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1999-11-09 — FJC Integrated Database disposition: Transfer to another district Docket on CourtListener ↗exact company name; name has one distinctive word; court in NY (not the issuer's state)
Quantum Corporation v. Gateway Freight Svcs dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 3:99-cv-00715 · Filed Feb 19, 1999 · Closed Sep 22, 1999 ·
Nature of suit:
890 Other statutory actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1999-09-22 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state)
Quantum Company, The v. United Fire dismissed matched at sponsor-group level (Quantum)
District Court, D. Idaho · No. 1:98-cv-00451 · Filed Nov 13, 1998 · Closed Apr 13, 2001 ·
Nature of suit:
130 Miller act
Role of Quantum Company, The:
Plaintiff · Outcome:
Terminated 2001-04-13 — FJC Integrated Database disposition: Dismissed: other Docket on CourtListener ↗exact company name; name has one distinctive word; court in ID (not the issuer's state)
Quantum Corporation v. Phelps Technologies judgment matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:97-cv-20535 · Filed Jun 18, 1997 · Closed Dec 22, 1998 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1998-12-22 — FJC Integrated Database disposition: Judgment on motion before trial; judgment for defendant Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1997, first Form D 2013
Howard Gunty Profit v. Quantum Corporation judgment matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:96-cv-20711 · Filed Aug 30, 1996 · Closed Apr 6, 1998 ·
Nature of suit:
850 Securities, Commodities, Exchange
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 1998-04-06 — FJC Integrated Database disposition: Judgment on motion before trial; judgment for defendant Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1996, first Form D 2013
Quantum Corporation v. NCR Corporation dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:96-cv-20157 · Filed Feb 28, 1996 · Closed Jul 8, 1996 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1996-07-08 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1996, first Form D 2013
South Elec Dist Inc v. Quantum Corporation dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:94-cv-20158 · Filed Mar 3, 1994 · Closed Nov 15, 1994 ·
Nature of suit:
410 Antitrust
Role of Quantum Corporation:
Defendant · Outcome:
Terminated 1994-11-15 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1994, first Form D 2013
Quantum Corporation v. Southern Elec. Dist. dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:93-cv-20704 · Filed Sep 21, 1993 · Closed Oct 13, 1993 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1993-10-13 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1993, first Form D 2013
Quantum Corp. v. Siessa Informatica judgment matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:93-cv-20680 · Filed Sep 13, 1993 · Closed Mar 7, 1995 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corp.:
Plaintiff · Outcome:
Terminated 1995-03-07 — FJC Integrated Database disposition: Judgment on default; judgment for plaintiff Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1993, first Form D 2013
Quantum Corporation v. Northgate Computer judgment matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:93-cv-20646 · Filed Sep 1, 1993 · Closed Jan 12, 1994 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1994-01-12 — FJC Integrated Database disposition: Judgment on motion before trial; judgment for plaintiff Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1993, first Form D 2013
Quantum Corporation v. Mitchell dismissed matched at sponsor-group level (Quantum)
District Court, D. Arizona · No. 2:93-cv-00141 · Filed Jan 22, 1993 · Closed Jun 16, 1993 ·
Nature of suit:
370 Other fraud
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 1993-06-16 — FJC Integrated Database disposition: Voluntarily dismissed Docket on CourtListener ↗exact company name; name has one distinctive word; court in AZ (not the issuer's state); filed 1993, first Form D 2013
Quantum Corp. v. GCC Technologies dismissed matched at sponsor-group level (Quantum)
District Court, N.D. California · No. 5:93-cv-20036 · Filed Jan 20, 1993 · Closed May 14, 1993 ·
Nature of suit:
190 Other contract actions
Role of Quantum Corp.:
Plaintiff · Outcome:
Terminated 1993-05-14 — FJC Integrated Database disposition: Dismissed: settled Docket on CourtListener ↗exact company name; name has one distinctive word; court in CA (not the issuer's state); filed 1993, first Form D 2013
MICRO-WORLD CORP v. QUANTUM CORPORATION judgment matched at sponsor-group level (Quantum)
District Court, D. Arizona · No. · Filed Sep 29, 1992 · Closed Dec 10, 1992 ·
Nature of suit:
190 Other contract actions
Role of QUANTUM CORPORATION:
Defendant · Outcome:
Terminated 1992-12-10 — FJC Integrated Database disposition: Judgment on motion before trial; judgment for defendant Docket on CourtListener ↗exact company name; name has one distinctive word; court in AZ (not the issuer's state); filed 1992, first Form D 2013
Quantum Corporation v. Sony Corporation closed matched at sponsor-group level (Quantum)
District Court, D. Colorado · No. 1:91-mc-00264 · Filed Aug 15, 1991 · Closed Jul 31, 2015 ·
Nature of suit:
999 Invalid
· Cause:
Civil Miscellaneous Case
Role of Quantum Corporation:
Plaintiff · Outcome:
Terminated 2015-07-31 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗exact company name; name has one distinctive word; court in CO (not the issuer's state); filed 1991, first Form D 2013
What was searched
Sources searched: CourtListener bulk data (RECAP dockets as of 2026-09-30; recall-first rule 10-24) — federal district + bankruptcy courts State courts: not covered (one-tap state court links under Look further). PACER: not searched. · Last checked Oct 24, 2026, 2:16 AM ET.
Court records show docket facts only; we never restate allegations as facts. Outcome wording comes from the docket feed; where it does not state a disposition we say so.
State courts: not covered (one-tap state court links under Look further). No state offers a lawful automated statewide source PartnerFacts can use today. Texas (re:SearchTX) terms prohibit storing results in a database open to third parties; New York (WebCivil) and Massachusetts (MassCourts) require a browser check that blocks scripted queries; California has no statewide index (58 county portals; Rule of Court 2.503 grants name-based access case by case); Florida, Utah and Illinois offer paid or partial access whose terms for automated use are unverified. Washington (dw.courts.wa.gov; bulk index reports under a JISC data-dissemination agreement), Delaware (CourtConnect; Court of Chancery not included) and Arizona (apps.azcourts.gov/publicaccess, which has an official channel to request high-volume access) are the candidates; PartnerFacts will request written permission before any automated search. Federal courts are searched through CourtListener / RECAP.