Cases 1 - 10 of 19
Acer, Inc. v. T-Mobile USA, Inc. et al
as 2:2026cv00026
Plaintiff:
Acer, Inc.
Defendant:
T-Mobile USA, Inc., T-Mobile US, Inc. and Sprint LLC f/k/a Sprint Corp
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Nokia of America Corporation v. Acer Inc.
as 1:2025cv01106
Plaintiff:
Nokia of America Corporation, AT&T Services, Inc., T-Mobile USA, Inc. and others
Defendant:
Acer Inc.
Counter-Claimant:
Acer Inc.
Counter-Defendant:
Nokia of America Corporation, AT&T Mobility II LLC, AT&T Mobility LLC and others
Cause Of Action: 28 U.S.C. § 2201 Declaratory Judgment
Headwater Research LLC v. T-Mobile USA, Inc. et al
as 2:2025cv00710
Plaintiff:
Headwater Research LLC
Defendant:
T-Mobile USA, Inc. and Sprint LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Headwater Research LLC v. T-Mobile USA, Inc. et al
as 2:2025cv00694
Plaintiff:
Headwater Research LLC
Defendant:
T-Mobile USA, Inc. and Sprint LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Headwater Research LLC v. T-Mobile USA, Inc. et al
as 2:2025cv00691
Plaintiff:
Headwater Research LLC
Defendant:
T-Mobile USA, Inc. and Sprint LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Headwater Research LLC v. T-Mobile USA, Inc. et al
as 2:2025cv00686
Plaintiff:
Headwater Research LLC
Defendant:
T-Mobile USA, Inc. and Sprint LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Headwater Research LLC v. T-Mobile USA, Inc. et al
as 2:2025cv00462
Plaintiff:
Headwater Research LLC
Defendant:
T-Mobile USA, Inc., Sprint LLC, Cellco Partnership d/b/a Verizon Wireless and others
Counter-Claimant:
Sprint LLC, T-Mobile USA, Inc., Cellco Partnership d/b/a Verizon Wireless and others
Counter-Defendant:
Headwater Research LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Headwater Research LLC v. Cellco Partnership, d/b/a Verizon Wireless et al
as 2:2025cv00391
Plaintiff:
Headwater Research LLC
Defendant:
Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc., Sprint LLC and others
Counter-Claimant:
AT&T Services Inc, AT&T Corp. and AT&T Mobility, LLC
Counter-Defendant:
Headwater Research LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Headwater Research LLC v. Sprint LLC et al
as 2:2025cv00359
Plaintiff:
Headwater Research LLC
Defendant:
Sprint LLC and T-Mobile USA, Inc.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Arlington Technologies LLC v. T-Mobile US, Inc. et al
as 2:2025cv00279
Plaintiff:
Arlington Technologies LLC
Defendant:
T-Mobile US, Inc., T-Mobile USA Inc, Sprint LLC and others
Counter-Claimant:
Sprint Spectrum LLC, Sprint LLC, T-Mobile USA Inc and others
Counter-Defendant:
Arlington Technologies LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
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