Headwater Research Llc V. Cellco Partnership, D/B/A Verizon Wireless - 2:25-cv-00391

Headwater Research Llc V. Cellco Partnership, D/B/A Verizon Wireless (Case No. 2:25-cv-00391), filed on Apr 15, 2025 in the District Court, E.D. Texas involving patent infringement. This case involves patent infringement claims between the parties. Explore details about the litigants, key filings, and major docket updates.

Case Details

Case Number
2:25-cv-00391
Filing Date
Apr 15, 2025
Cause of Action
Patent Infringement
Status
-
Court
District Court, E.D. Texas
Nature of Suit
Patent

Parties Involved

The following parties are involved in this case, with their respective legal representatives for the case.

NameRepresented By
AT&T Inc -
Sprint LLC -
Headwater Research LLC -
Cellco Partnership, d/b/a Verizon Wireless -
T-Mobile USA, INC -
Verizon Corporate Services Group Inc. -

Patents Involved

Patents not found - set an alert to get notified when patents are added.

Docket Entries

The Docket Entries section provides a chronological list of all significant filings and court actions in this case.

DateDocket EntryType

Set alerts for critical docket entry

Jul 24, 2025JOINT MOTION TO EXTEND CONTENTIONS DEADLINES by Headwater Research LLC. (Attachments: (1) Proposed Order)(Fenster, Marc)PACER Document
Jul 24, 2025JOINT MOTION TO EXTEND CONTENTIONS DEADLINES by Headwater Research LLC. (Attachments: (1) Proposed Order)(Fenster, Marc)Attachment
Jul 25, 2025ORDER granting [31] Joint Motion to Extend Contentions Deadlines. Signed by Magistrate Judge Roy S. Payne on 7/25/25. (ljw)PACER Document
Jul 25, 2025RESPONSE to [9] Answer to Complaint - Verizon by Headwater Research LLC. (Fenster, Marc)PACER Document
Jul 25, 2025RESPONSE to [29] Answer to Complaint, Counterclaim - AT&T by Headwater Research LLC. (Fenster, Marc)PACER Document
Jul 25, 2025RESPONSE to T-Mobile's Answer to Complaint by Headwater Research LLC. (Fenster, Marc)PACER Document
Jul 30, 2025NOTICE of Attorney Appearance by Andrea Leigh Fair on behalf of Headwater Research LLC (Fair, Andrea)PACER Document
Jul 30, 2025UNOPPOSED MOTION for Extension of Time to File Proposed Docket Control Order, Proposed Discovery Order, and Proposed Protective Order by AT&T Corp., AT&T Mobility, LLC, AT&T Services Inc. (Attachments: (1) Proposed Order)(Mathews, Nicholas)PACER Document
Jul 30, 2025UNOPPOSED MOTION for Extension of Time to File Proposed Docket Control Order, Proposed Discovery Order, and Proposed Protective Order by AT&T Corp., AT&T Mobility, LLC, AT&T Services Inc. (Attachments: (1) Proposed Order)(Mathews, Nicholas)Attachment
Jul 30, 2025UNOPPOSED MOTION TO EXTEND PROPOSED DOCKET CONTROL ORDER, DISCOVERY ORDER, AND PROTECTIVE ORDER DEADLINES by Headwater Research LLC. (Attachments: (1) Proposed Order)(Fenster, Marc)PACER Document
Jul 30, 2025UNOPPOSED MOTION TO EXTEND PROPOSED DOCKET CONTROL ORDER, DISCOVERY ORDER, AND PROTECTIVE ORDER DEADLINES by Headwater Research LLC. (Attachments: (1) Proposed Order)(Fenster, Marc)Attachment
Jul 30, 2025UNOPPOSED MOTION TO EXTEND PROPOSED DOCKET CONTROL ORDER, DISCOVERY ORDER, AND PROTECTIVE ORDER DEADLINES by Headwater Research LLC. (Attachments: (1) Proposed Order)(Fenster, Marc)PACER Document
Jul 30, 2025UNOPPOSED MOTION TO EXTEND PROPOSED DOCKET CONTROL ORDER, DISCOVERY ORDER, AND PROTECTIVE ORDER DEADLINES by Headwater Research LLC. (Attachments: (1) Proposed Order)(Fenster, Marc)Attachment
Aug 4, 2025DOCKET CONTROL ORDER. Signed by Magistrate Judge Roy S. Payne on 08/03/2025. (mdj)PACER Document
Aug 4, 2025ORDER granting [37],[38],[39] Motions to Extend Proposed Docket Control Order,Discovery Order, and Protective Order Deadlines. Signed by Magistrate Judge Roy S. Payne on 08/03/2025. (mdj)PACER Document
Aug 6, 2025JOINT MOTION FOR ENTRY OF PROTECTIVE ORDER & DISCOVERY ORDER by Headwater Research LLC. (Attachments: (1) Exhibit A, (2) Exhibit B)(Wietholter, Jason)PACER Document
Aug 6, 2025JOINT MOTION FOR ENTRY OF PROTECTIVE ORDER & DISCOVERY ORDER by Headwater Research LLC. (Attachments: (1) Exhibit A, (2) Exhibit B)(Wietholter, Jason)Attachment
Aug 6, 2025JOINT MOTION FOR ENTRY OF PROTECTIVE ORDER & DISCOVERY ORDER by Headwater Research LLC. (Attachments: (1) Exhibit A, (2) Exhibit B)(Wietholter, Jason)Attachment
Aug 8, 2025DISCOVERY ORDER. Signed by Magistrate Judge Roy S. Payne on 08/07/2025. (KLC)PACER Document
Aug 8, 2025PROTECTIVE ORDER. Signed by Magistrate Judge Roy S. Payne on 08/07/2025. (KLC)PACER Document