Headwater Research LLC v. Cellco Partnership, d/b/a Verizon Wireless et al
| Headwater Research LLC |
| Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc., Sprint LLC, T-Mobile USA, INC, AT&T Services Inc, AT&T Inc, AT&T Mobility, LLC and AT&T Corp. |
| AT&T Services Inc, AT&T Corp. and AT&T Mobility, LLC |
| Headwater Research LLC |
| 2:2025cv00391 |
| April 15, 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 49 Notice of Filing of Patent/Trademark Form (AO 120). AO 120 emailed to the Director of the U.S. Patent and Trademark Office. (KLC) |
Filing 48
ORDER DISMISSING CASE. Signed by District Judge Rodney Gilstrap on 09/29/2025. (KLC)
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| Filing 47 JOINT STIPULATION of Dismissal by Headwater Research LLC. (Fenster, Marc) |
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Filing 46
ORDER granting #45 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 45 JOINT SEALED MOTION to Stay All Deadlines and Notice of Settlement by AT&T Corp., AT&T Mobility, LLC, AT&T Services Inc. (Attachments: #1 Proposed Order)(Mathews, Nicholas) |
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Filing 44
PROTECTIVE ORDER. Signed by Magistrate Judge Roy S. Payne on 08/07/2025. (KLC)
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Filing 43
DISCOVERY ORDER. Signed by Magistrate Judge Roy S. Payne on 08/07/2025. (KLC)
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| Filing 42 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 41
ORDER 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)
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Filing 40
DOCKET CONTROL ORDER. Signed by Magistrate Judge Roy S. Payne on 08/03/2025. (mdj)
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| Filing 39 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 38 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 37 UNOPPOSED 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) |
| Filing 36 NOTICE of Attorney Appearance by Andrea Leigh Fair on behalf of Headwater Research LLC (Fair, Andrea) |
| Filing 35 RESPONSE to T-Mobile's Answer to Complaint by Headwater Research LLC. (Fenster, Marc) |
| Filing 34 RESPONSE to #29 Answer to Complaint, Counterclaim - AT&T by Headwater Research LLC. (Fenster, Marc) |
| Filing 33 RESPONSE to #9 Answer to Complaint - Verizon by Headwater Research LLC. (Fenster, Marc) |
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Filing 32
ORDER granting #31 Joint Motion to Extend Contentions Deadlines. Signed by Magistrate Judge Roy S. Payne on 7/25/25. (ljw)
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| Filing 31 JOINT MOTION TO EXTEND CONTENTIONS DEADLINES by Headwater Research LLC. (Attachments: #1 Proposed Order)(Fenster, Marc) |
| Filing 30 Fed. R. Civ. P. 7.1(a)(1) Disclosure Statement filed by AT&T Corp., AT&T Mobility, LLC, AT&T Services Inc identifying Corporate Parent AT&T Inc. for AT&T Services Inc, AT&T Services Inc; 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; Other Affiliate BellSouth Mobile Data, Inc., Other Affiliate AT&T Enterprises, LLC, Other Affiliate AT&T Wireline Holdings, LLC, Other Affiliate AT&T DW Holdings, Inc., Other Affiliate AT&T Enterprises, Inc. for AT&T Corp., AT&T Corp.. (Mathews, Nicholas) |
| Filing 29 ANSWER to #1 Complaint, Affirmative Defenses and, COUNTERCLAIM against Headwater Research LLC by AT&T Services Inc, AT&T Corp., AT&T Mobility, LLC.(Mathews, Nicholas) |
| Filing 28 Minute Entry for proceedings held before District Judge Rodney Gilstrap (Lead 2:25-cv-391 and Members 2:25-cv-359 and 2:25-cv-428): 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 27 NOTICE of Attorney Appearance by Joshua Scheufler on behalf of Headwater Research LLC (Scheufler, Joshua) |
| Filing 26 NOTICE of Attorney Appearance by Shannon Marie Dacus on behalf of AT&T Corp., AT&T Inc, AT&T Mobility, LLC, AT&T Services Inc, Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc. (Dacus, Shannon) |
| Filing 25 NOTICE of Attorney Appearance by James Shrin Tsuei on behalf of Headwater Research LLC (Tsuei, James) |
| Filing 24 NOTICE of Attorney Appearance by Jason Wietholter on behalf of Headwater Research LLC (Wietholter, Jason) |
| Filing 23 NOTICE of Attorney Appearance by Kristopher Ryan Davis on behalf of Headwater Research LLC (Davis, Kristopher) |
| Filing 22 NOTICE of Attorney Appearance by Philip X Wang on behalf of Headwater Research LLC (Wang, Philip) |
| Filing 21 NOTICE of Attorney Appearance by Dale Chang on behalf of Headwater Research LLC (Chang, Dale) |
| Filing 20 NOTICE of Attorney Appearance by Paul Anthony Kroeger on behalf of Headwater Research LLC (Kroeger, Paul) |
| Filing 19 NOTICE of Attorney Appearance by Neil Alan Rubin on behalf of Headwater Research LLC (Rubin, Neil) |
| Filing 18 NOTICE of Attorney Appearance by Brian D Ledahl on behalf of Headwater Research LLC (Ledahl, Brian) |
| Filing 17 NOTICE of Attorney Appearance by Benjamin T Wang on behalf of Headwater Research LLC (Wang, Benjamin) |
| Filing 16 NOTICE of Attorney Appearance by Ryan Lundquist on behalf of Headwater Research LLC (Lundquist, Ryan) |
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Filing 15
ORDER granting #14 Motion to Extend Deadlines. Signed by Magistrate Judge Roy S. Payne on 07/03/2025. (mdj)
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| Filing 14 UNOPPOSED MOTION to Extend Contentions Deadlines by Headwater Research LLC. (Attachments: #1 Proposed Order)(Fenster, Marc) |
| Filing 13 UNOPPOSED NOTICE OF DISMISSAL WITHOUT PREJUDICE AS TO AT&T, INC. by Headwater Research LLC re #12 Stipulation (Fenster, Marc) |
| Filing 12 JOINT STIPULATION REGARDING SUBSTITUTION OF AT&T CORP. by Headwater Research LLC. (Mirzaie, Reza) |
| Filing 11 DEMAND for Trial by Jury by Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc.. (Dacus, Deron) |
| Filing 10 Fed. R. Civ. P. 7.1(a)(1) Disclosure Statement filed by Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc. identifying Corporate Parent Verizon Communications Inc. for Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc.. (Dacus, Deron) |
| Filing 9 ANSWER to #1 Complaint, by Cellco Partnership, d/b/a Verizon Wireless, Verizon Corporate Services Group Inc..(Dacus, Deron) |
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Filing 8
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. (mdj)
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Filing 7
ORDER- The above-captioned cases are hereby ORDERED to be CONSOLIDATED for all pretrial issues with the LEAD CASE, Case No. 2:25-cv-00391. 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 6 Unopposed Application for Extension of Time to Answer Complaint is granted. Cellco Partnership, d/b/a Verizon Wireless answer is now due 7/3/2025. (Text entry only, no document attached.)(mdj) |
| Filing 5 Unopposed Application for Extension of Time to Answer Complaint filed by Verizon Corporate Services Group Inc., Cellco Partnership, d/b/a Verizon Wireless. Summons originally served on 04/28/2025. Agreed new answer date is 07/03/2025.(Dacus, Deron) |
| Filing 4 SUMMONS Issued as to Cellco Partnership, d/b/a Verizon Wireless & Verizon Corporate Services Group Inc.. (Attachments: #1 Cellco Summons)(ljw) |
| 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 Headwater Research LLC ( Filing fee $ 405 receipt number ATXEDC-10783492.), filed by Headwater Research LLC. (Attachments: #1 Exhibit, #2 Exhibit, #3 Exhibit, #4 Exhibit, #5 Exhibit, #6 Exhibit, #7 Civil Cover Sheet)(Fenster, Marc) |
| District Judge Rodney Gilstrap and Magistrate Judge Roy S. Payne added. (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) |
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