Headwater Research LLC v. T-Mobile USA, Inc. et al
| Headwater Research LLC |
| T-Mobile USA, Inc., Sprint LLC, Cellco Partnership d/b/a Verizon Wireless, Verizon Corporate Services Group Inc., AT&T Services, Inc., AT&T Mobility LLC and AT&T Enterprises, LLC |
| Sprint LLC, T-Mobile USA, Inc., Cellco Partnership d/b/a Verizon Wireless, Verizon Corporate Services Group Inc., AT&T Services, Inc., AT&T Enterprises, LLC and AT&T Mobility LLC |
| Headwater Research LLC |
| 2:2025cv00462 |
| May 2, 2025 |
| U.S. District Court for the Eastern District of Texas |
| Rodney Gilstrap |
| Roy S Payne |
| Patent |
| 35 U.S.C. § 271 Patent Infringement |
| Both |
Docket Report
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This docket was last retrieved on September 29, 2025. A more recent docket listing may be available from PACER.
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| Filing 42 Notice of Filing of Patent/Trademark Form (AO 120) at termination of case. AO 120 emailed to the Director of the U.S. Patent and Trademark Office. (NKL) |
Filing 41
ORDER DISMISSING CASE WITHOUT PREJUDICE (Motion(s)(29 in 2:25-cv-00462-JRG-RSP), (31 in 2:25-cv-00462-JRG-RSP) terminated). Signed by District Judge Rodney Gilstrap on 9/26/2025. (NKL)
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| Filing 40 JOINT STIPULATION of Dismissal by Headwater Research LLC. (Fenster, Marc) |
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Filing 39
ORDER granting #38 Sealed Motion to Stay All Deadlines and Notice of Settlement. Signed by Magistrate Judge Roy S. Payne on 8/21/2025. (NKL)
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| Filing 38 JOINT SEALED MOTION to Stay All Deadlines and Notice of Settlement by AT&T Enterprises, LLC, AT&T Mobility LLC, AT&T Services, Inc.. (Attachments: #1 Proposed Order)(Mathews, Nicholas) |
| Filing 37 DISCOVERY ORDER (NKL) |
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Filing 36
PROTECTIVE ORDER (Motion(s) #35 terminated). Signed by Magistrate Judge Roy S. Payne on 8/7/2025. (NKL)
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| Filing 35 JOINT MOTION FOR ENTRY OF PROTECTIVE ORDER & DISCOVERY ORDER by Headwater Research LLC. (Attachments: #1 Exhibit A, #2 Exhibit B)(Wietholter, Jason) |
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Filing 34
ORDER granting #30 Motion to Extend Deadlines for Proposed Docket Control Order, Proposed Discovery Order, and Proposed Protective Order. Signed by Magistrate Judge Roy S. Payne on 8/3/2025. (NKL)
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Filing 33
ORDER granting #22 Motion for Extension of Certain Deadlines. Signed by Magistrate Judge Roy S. Payne on 8/3/2025. (NKL)
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Filing 32
DOCKET CONTROL ORDER - Pretrial Conference set for 1/25/2027 at 09:00 AM before Magistrate Judge Roy S. Payne. Jury Selection set for 3/1/2027 at 09:00AM before District Judge Rodney Gilstrap. Markman Hearing set for 9/1/2026 at 09:00 AM before Magistrate Judge Roy S. Payne.. Signed by Magistrate Judge Roy S. Payne on 8/3/2025. (NKL)
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| Filing 31 UNOPPOSED MOTION TO EXTEND PROPOSED DOCKET CONTROL ORDER, DISCOVERY ORDER, AND PROTECTIVE ORDER DEADLINES by Headwater Research LLC. (Attachments: #1 Proposed Order)(Fenster, Marc) |
| Filing 30 UNOPPOSED MOTION TO EXTEND PROPOSED DOCKET CONTROL ORDER, DISCOVERY ORDER, AND PROTECTIVE ORDER DEADLINES by Headwater Research LLC. (Attachments: #1 Proposed Order)(Fenster, Marc) |
| Filing 29 UNOPPOSED MOTION for Extension of Time to File Proposed Docket Control Order, Proposed Discovery Order, and Proposed Protective Order by AT&T Enterprises, LLC, AT&T Mobility LLC, AT&T Services, Inc.. (Attachments: #1 Proposed Order)(Mathews, Nicholas) |
| Filing 28 NOTICE of Attorney Appearance by Andrea Leigh Fair on behalf of Headwater Research LLC (Fair, Andrea) |
| Filing 27 RESPONSE to #23 Answer to Complaint, Counterclaim filed by Headwater Research LLC. (Fenster, Marc) |
| Filing 26 RESPONSE to #14 Answer to Complaint, Counterclaim filed by Headwater Research LLC. (Fenster, Marc) |
| Filing 25 RESPONSE to #17 Answer to Complaint, Counterclaim filed by Headwater Research LLC. (Fenster, Marc) |
| In accordance with the provisions of 28 USC Section 636(c), you are hereby notified that a U.S. Magistrate Judge of this district court is available to conduct any or all proceedings in this case including a jury or non-jury trial and to order the entry of a final judgment. The form #Consent to Proceed Before Magistrate Judge is available on our website. All signed consent forms, excluding pro se parties, should be filed electronically using the event Notice Regarding Consent to Proceed Before Magistrate Judge. (NKL) |
| Filing 24 Fed. R. Civ. P. 7.1(a)(1) Disclosure Statement filed by AT&T Enterprises, LLC, AT&T Mobility LLC, AT&T Services, Inc. identifying Other Affiliate AT&T Inc., Other Affiliate BellSouth Mobile Data, Inc., Other Affiliate AT&T Corp., Other Affiliate AT&T DW Holdings, Inc. for AT&T Enterprises, LLC, AT&T Enterprises, LLC; Corporate Parent SBC Long Distance, LLC, Corporate Parent BellSouth Mobile Data, Inc., Corporate Parent New Cingular Wireless Services, Inc., Corporate Parent AT&T Investment & Tower Holdings, LLC for AT&T Mobility LLC, AT&T Mobility LLC; Corporate Parent AT&T Inc. for AT&T Services, Inc., AT&T Services, Inc.. (Mathews, Nicholas) |
| Filing 23 ANSWER to #1 Complaint, Affirmative Defenses, COUNTERCLAIM against Headwater Research LLC by AT&T Services, Inc., AT&T Enterprises, LLC, AT&T Mobility LLC.(Mathews, Nicholas) |
| Filing 22 JOINT MOTION TO EXTEND CONTENTIONS DEADLINES by Headwater Research LLC. (Attachments: #1 Proposed Order)(Fenster, Marc) |
| Filing 21 Minute Entry for proceedings held before District Judge Rodney Gilstrap (Lead 2:25-cv-462 and Members 2:25-cv-463 and 2:25-cv-464): Scheduling Conference/Case Management Conference held on 7/16/2025 from 09:34 AM - 10:44 AM. Counsel for the parties appeared. Court: (1) asked whether the parties consented to trial before the U.S. Magistrate Judge; and (2) provided Claim Construction and Jury Selection/Trial dates. (Court Reporter - Shawn McRoberts) (Text entry only; no document attached) (aeb) |
| Filing 20 NOTICE of Attorney Appearance by Shannon Marie Dacus on behalf of AT&T Enterprises, LLC, AT&T Mobility LLC, AT&T Services, Inc., Cellco Partnership d/b/a Verizon Wireless, Verizon Corporate Services Group Inc. (Dacus, Shannon) |
| Filing 19 DEMAND for Trial by Jury by Cellco Partnership d/b/a Verizon Wireless, Verizon Corporate Services Group Inc.. (Anderson, Kevin) |
| Filing 18 Fed. R. Civ. P. 7.1(a)(1) Disclosure Statement filed by Cellco Partnership d/b/a Verizon Wireless, Verizon Corporate Services Group Inc. (Anderson, Kevin) |
| Filing 17 ANSWER to #1 Complaint, , COUNTERCLAIM against Headwater Research LLC by Cellco Partnership d/b/a Verizon Wireless, Verizon Corporate Services Group Inc..(Anderson, Kevin) |
| In accordance with the provisions of 28 USC Section 636(c), you are hereby notified that a U.S. Magistrate Judge of this district court is available to conduct any or all proceedings in this case including a jury or non-jury trial and to order the entry of a final judgment. The form #Consent to Proceed Before Magistrate Judge is available on our website. All signed consent forms, excluding pro se parties, should be filed electronically using the event Notice Regarding Consent to Proceed Before Magistrate Judge. (NKL) |
| Filing 16 Fed. R. Civ. P. 7.1(a)(1) Disclosure Statement filed by Sprint LLC, T-Mobile USA, Inc. (Smith, Melissa) |
| Filing 15 DEMAND for Trial by Jury by Sprint LLC, T-Mobile USA, Inc.. (Smith, Melissa) |
| Filing 14 ANSWER to #1 Complaint, DEFENSES, COUNTERCLAIM against Headwater Research LLC by Sprint LLC, T-Mobile USA, Inc..(Smith, Melissa) |
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Filing 13
ORDER granting #12 Motion to Extend Deadline for Infringement and Invalidity Contentions.. Signed by Magistrate Judge Roy S. Payne on 7/3/2025. (NKL)
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| Filing 12 JOINT MOTION TO EXTEND CONTENTIONS DEADLINES by Headwater Research LLC. (Attachments: #1 Proposed Order)(Fenster, Marc) |
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Filing 11
ORDER re (12 in 2:25-cv-00464-JRG-RSP) UNOPPOSED MOTION for Extension of Time to File Answer re (1) Complaint, filed by AT&T Services, Inc., AT&T Enterprises, LLC, AT&T Mobility, LLC. (Motion(s)(12 in 2:25-cv-00464-JRG-RSP) terminated). Signed by Magistrate Judge Roy S. Payne on 6/29/2025. (NKL)
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Filing 10
ORDER, ( Scheduling/Case Management Conference set for 7/16/2025 at 09:30 AM before District Judge Rodney Gilstrap.). Signed by Magistrate Judge Roy S. Payne on 06/24/2025. (KLC)
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Filing 9
ORDER- The above-captioned cases are hereby ORDERED to be CONSOLIDATED for all pretrial issues with the LEAD CASE, Case No. 2:25-cv-00462. All parties are instructed to file any future filings in the LEAD CASE. Signed by District Judge Rodney Gilstrap on 06/26/2025. (mdj)
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| Filing 8 Unopposed Application for Extension of Time to Answer Complaint is granted. Sprint LLC answer is now due 7/11/2025. (Text entry only, no document attached.)(KLC) |
| Filing 7 Unopposed Application for Extension of Time to Answer Complaint is granted. T-Mobile USA, Inc. answer is now due 7/11/2025. (Text entry only, no document attached.)(KLC) |
| Filing 6 Unopposed Application for Extension of Time to Answer Complaint filed by Sprint LLC. Summons originally served on 5/6/2025. Agreed new answer date is 7/11/2025.(Smith, Melissa) |
| Filing 5 Unopposed Application for Extension of Time to Answer Complaint filed by T-Mobile USA, Inc.. Summons originally served on 5/6/2025. Agreed new answer date is 7/11/2025.(Smith, Melissa) |
| Filing 4 SUMMONS Issued as to Sprint LLC, T-Mobile USA, Inc.. (Attachments: #1 Additional Attachment(s))(KLC) |
| In accordance with the provisions of 28 USC Section 636(c), you are hereby notified that a U.S. Magistrate Judge of this district court is available to conduct any or all proceedings in this case including a jury or non-jury trial and to order the entry of a final judgment. The form #Consent to Proceed Before Magistrate Judge is available on our website. All signed consent forms, excluding pro se parties, should be filed electronically using the event Notice Regarding Consent to Proceed Before Magistrate Judge. (KLC) |
| District Judge Rodney Gilstrap and Magistrate Judge Roy S. Payne added. (KLC) |
| Filing 3 Fed. R. Civ. P. 7.1(a)(1) Disclosure Statement filed by Headwater Research LLC (Fenster, Marc) |
| Filing 2 Notice of Filing of Patent/Trademark Form (AO 120). AO 120 emailed to the Director of the U.S. Patent and Trademark Office. (Fenster, Marc) |
| Filing 1 COMPLAINT FOR PATENT INFRINGEMENT against All Defendants ( Filing fee $ 405 receipt number ATXEDC-10819777.), filed by Headwater Research LLC. (Attachments: #1 Exhibit 1, #2 Exhibit 2, #3 Exhibit 3, #4 Exhibit 4, #5 Exhibit 5, #6 Exhibit 6, #7 Civil Cover Sheet)(Fenster, Marc) |
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