Litigation

Headwater Research LLC v. Uber Technologies, Inc.

Active (consolidated for pretrial issues)

2:25-cv-00962

Patents at issue (1)

10321320PTAB challenge active

Summary

This case is consolidated for all pretrial issues with lead case 2:25-cv-00961. The individual cases, including this one, remain active for trial.

Case overview & background

Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.

This patent infringement litigation, Headwater Research LLC v. Uber Technologies, Inc., involves a Non-Practicing Entity (NPE) asserting intellectual property rights against a major global operating company. Headwater Research LLC is identified as a patent assertion entity with a portfolio focused on mobile device intelligence and network optimization technologies, known for its active litigation posture against prominent consumer electronics manufacturers, having previously secured significant jury verdicts against Verizon ($175 million) and Samsung ($278.8 million), and reaching settlements with Apple. Defendant Uber Technologies, Inc. is a leading technology company operating a multi-sided platform that connects consumers with transportation, food delivery (Uber Eats), and freight services through its mobile applications.

The core of the dispute centers on Uber's mobile applications, including Uber, Uber Eats, Uber Freight, and Uber Driver, and their underlying push messaging technology and services, such as Firebase Cloud Messaging. Headwater Research alleges that these instrumentalities infringe U.S. Patent No. 10,321,320. This patent generally concerns server and device-side systems designed for managing push notifications across multiple applications, with a technical focus on efficiently handling data traffic and device resources like battery life during message delivery.

The case is being heard in the U.S. District Court for the Eastern District of Texas, presided over by District Judge Rodney Gilstrap and Magistrate Judge Roy S. Payne. This venue is frequently chosen by patent holders, including NPEs, due to its specialized patent rules and efficient dockets. The litigation is notable for its consolidation for all pretrial issues with a lead case (2:25-cv-00961) that includes other major defendants such as [Walmart Inc.](/litigations/by-defendant/Walmart%20Inc.), [[Amazon.com Services](/litigations/by-defendant/Amazon.com%20Services) LLC](/litigations/by-plaintiff/Amazon.com%20Services%20LLC), and Target Corporation, highlighting a coordinated assertion strategy by Headwater Research LLC against key players in e-commerce and logistics. Furthermore, the asserted patent, US 10,321,320, is currently subject to validity challenges at the Patent Trial and Appeal Board (PTAB), with an inter partes review (IPR) filed by Amazon Web Services Inc. and Amazon Com Services LLC currently instituted and pending.

Key legal developments & outcome

Major rulings, motions, claim construction, settlements, and the present posture or final disposition.

Headwater Research LLC initiated patent infringement litigation against Uber Technologies, Inc. in the Eastern District of Texas, filing case 2:25-cv-00962 on September 18, 2025. This case was subsequently consolidated for all pretrial issues with lead case 2:25-cv-00961, which was filed on the same day and includes other defendants such as Walmart, Amazon, and Target, in addition to Uber. The individual cases, including this one, remain active for trial.

Here's a chronological breakdown of the key legal developments:

Filing & Initial Pleadings:

  • 2025-09-18: Headwater Research LLC filed the initial complaint against Uber Technologies, Inc., Uber Freight Holding Corporation, and Uber Freight US LLC in case 2:25-cv-00962. The complaint specifically asserts independent claim 1 of U.S. Patent No. 10,321,320, which relates to a "Wireless network buffered message system."
  • 2025-09-18: The lead case, Headwater Research LLC v. Walmart Inc. et al. (2:25-cv-00961), was also filed. A First Amended Complaint against Uber Freight Holding Corp., Uber Freight US LLC, and Uber Technologies, Inc. was filed in this lead case on the same day.
  • 2025-10-01: An Unopposed Application for Extension of Time to Answer Complaint was granted for Walmart Inc. in the lead case, setting its answer due date to November 24, 2025. While a specific answer date for Uber in 2:25-cv-00962 is not explicitly detailed in the provided information, it is likely that similar extensions or filings would have occurred for other defendants, or their answers were filed within the lead case docket.
  • 2025-10-23: Magistrate Judge Roy S. Payne issued an order consolidating case 2:25-cv-00962 with lead case 2:25-cv-00961 for all pretrial issues. The order instructed all parties to file future pretrial documents in the lead case, while individual cases would proceed to trial separately.
  • 2025-11-04: A First Amended Complaint was filed against Target Corporation in the lead case 2:25-cv-00961.

Pre-trial Motions of Substance:

  • Late 2025 - Early 2026: Several defendants in the consolidated litigation filed motions to stay the proceedings. These included a sealed motion to stay by Target Corporation (Filing 58), an opposed motion to stay pending resolution of manufacturer actions (Filing 68), and another opposed motion to stay (Filing 73).
  • 2026-01-23: A "Joint Motion for Venue Discovery and Scheduling Order (UBER)" was filed by Headwater Research LLC.
  • 2026-01-26: The Joint Motion for Venue Discovery and Scheduling Order (UBER) was granted.
  • 2026-01-26 - 2026-01-28: Headwater Research LLC filed sur-replies opposing various motions to stay, including an "OPPOSED MOTION to Stay Pending Resolution of Manufacturer Actions" and a "MOTION to Stay Pending Ex Parte Reexamination and Inter Partes Review" filed by Amazon.com Services LLC (Filing 86).
  • 2026-03-06: Amazon.com Services LLC filed a "Motion to Withdraw #86 Motion to Stay."
  • 2026-03-06: An "Unopposed Motion for Hearing" regarding the various outstanding motions to stay (Filings 58, 68, 73) was filed by Target Corporation.
  • 2026-03-10: The motion to withdraw Amazon's motion to stay was granted.
  • 2026-03-11: The unopposed motion for a hearing on the remaining motions to stay was granted, and a hearing was set for March 18, 2026.

Parallel PTAB IPR Proceedings:

  • 2025-11-10: Amazon Web Services Inc. filed an Inter Partes Review (IPR2026-00106) against U.S. Patent No. 10,321,320 B2, one of the patents asserted against Uber.
  • 2025-11-25: Target Corp. filed an Inter Partes Review (IPR2026-00153) against U.S. Patent No. 10,321,320 B2.
  • Other IPRs were also initiated against different patents asserted by Headwater Research LLC in the broader litigation, including IPR2026-00154 against US 9,615,192 B2 by Target Corp, IPR2026-00088 and IPR2026-00106 against US 9,615,192 B2 and US 10,321,320 B2 respectively by Amazon Web Services Inc, and IPR2025-01571 against US 8,667,571 B2 also by Amazon Web Services Inc.

Present Posture:
As of the last retrieved docket information (March 13, 2026) for the lead case, the litigation is active and proceeding through pretrial motions, with a hearing on outstanding motions to stay having been scheduled for March 18, 2026. The parallel IPR proceedings are also ongoing and could influence the course of the district court litigation, particularly regarding any further motions to stay or the validity of the asserted patents.

In the news

What the press has reported about this case, summarized with links to the source articles.

I'll search several angles to find press coverage of this litigation.

Let me search targeted news outlets and the wider Headwater campaign coverage.

Found ip fray coverage. Let me locate the specific article and search for more.

Press & analyst coverage

Bottom line: there is essentially no mainstream or dedicated news coverage of Headwater Research v. Uber (2:25-cv-00962) as a standalone matter. Everything I could find is either (a) a trade-blog item treating Uber as one of several defendants in Headwater's broader 2025 campaign, (b) regional Texas coverage of Headwater's Samsung verdict, or (c) Chinese-language IP commentary on the parallel Tencent case. I found no Reuters, Bloomberg Law, Law360, Ars Technica, The Verge, IPWatchdog, Patently-O, or EFF piece on this docket. Note one important caveat about my searches: the second-round query hit the tool's step limit, so my sweep of the outlets named in the task is incomplete but covered the case caption, party names, and the '320 patent angle.

The one substantive item directly on point is from ip fray (IAM's litigation blog), which ran a post headlined Headwater launches fresh cloud messaging patent infringement campaign: Tencent, Uber, Target, Walmart among defendants. The listing I retrieved did not display a publication date, so I cannot give one. Its framing is the analytically useful part: ip fray characterizes the batch of September 18, 2025 complaints as a campaign aimed at Google's customers rather than Google itself, because "the complaints all refer to the company's Firebase Cloud Messaging," and notes that the asserted patents include one "also involved in a recently-settled dispute with Samsung Electronics." That is consistent with the court record — the EDTX Tencent stay order (S.D. Tex. docket via govinfo, 2:25-cv-00965, Sept. 23, 2026) confirms Headwater accuses Uber's co-defendants of infringing the '117, '192, and '320 patents "through the push notification system contained in its mobile applications," and confirms parallel W.D. Tex./N.D. Cal. suits against Google over FCM. ip fray's own category index also lists two related posts — Amazon, Oracle targeted in next Headwater patent enforcement campaign and Judge Gilstrap finds Verizon reasonably expected not to get sued by Headwater (in which it invested), tosses $175M jury verdict — indicating the blog is following Headwater's campaign closely, though I did not retrieve the full text of either.

On the campaign's significance and numbers, the most detailed non-court description I found is from a Chinese IP-consulting outlet, Anzone Consulting, which reported on the September 18, 2025 filings by Headwater against Tencent (case 2:25-cv-00965, same day and same patent family as the Uber suit, including US 10,321,320). It describes the patents as covering "a 'secure and efficient push messaging architecture' that enables third-party servers to securely transmit notifications, content, and updates to end-user applications," names PUBG: Battlegrounds and WeChat as accused apps, says Headwater holds "over 350 patents," and attributes its founding to wireless researcher Dr. Gregory Raleigh. It also recites the campaign's headline damages figures — a $175 million Verizon award and a $278.8 million Samsung award. Caution: this is a translated/secondary account, not primary reporting, and its Verizon/Samsung figures describe other Headwater cases, not this one. No outlet I found has reported any damages demand, settlement figure, or market impact specific to Uber.

Regional coverage of the Samsung verdict is the closest thing to mainstream pickup of Headwater's litigation generally. CBS19 (Tyler, TX) reported that a federal jury in the Eastern District of Texas awarded $278.8 million to Headwater against Samsung, quoting local counsel Andrea Fair of Miller Fair Henry ("The jury's unanimous verdict reinforces the strength of Headwater's technology…"). This is worth flagging because it corroborates the contradiction noted in the prior "Defendant representatives" section: CBS19 identifies Miller Fair Henry (Andrea Fair) — not Gillam & Smith/Harry Lee Gillam — as Headwater's East Texas local counsel, and the consolidated docket shows Gillam & Smith's Melissa Richards Smith filing for the Uber defendants. The plaintiff-counsel roster in the earlier "Plaintiff representatives" section should be corrected accordingly. Nothing in any outlet I found goes beyond the court record with analyst commentary or executive statements about the Uber case specifically; no reporting mentions Uber's venue motion (Dkt. 72), its stay motion (Dkt. 73), or the Amazon/Target IPRs as they relate to Uber.

Sourcing caveat: the ip fray headline and blurb come from the blog's category index rather than a directly retrieved article page, so I have linked the index URL; the article's date and full body text are unverified.

Sources

Plaintiff representatives

Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

Headwater Research LLC is represented by a team of attorneys primarily from Russ August & Kabat, serving as lead counsel, and Gillam & Smith LLP, serving as local counsel.

Here is a breakdown of the identified counsel:

Lead Counsel

Firm: Russ August & Kabat
Office Location: Los Angeles, California (primary office), with a Dallas, Texas office.

  • Marc A. Fenster

    • Role: Partner, Co-Head of the Patent Litigation Department.
    • Relevant Experience: Led the Russ August & Kabat trial teams that secured a $175 million jury verdict for Headwater Research LLC against Verizon and a $279 million jury verdict against Samsung, both in the Eastern District of Texas, on patents related to data-saving and wireless push messaging technology, respectively. He has also achieved significant verdicts against Western Digital and Amazon in other patent cases.

  • Reza Mirzaie

    • Role: Partner, Co-Chair of the Patent Infringement Litigation Department.
    • Relevant Experience: Played a leading role in securing the $175 million jury verdict against Verizon and the $279 million jury verdict against Samsung for Headwater Research LLC. He has obtained over $600 million for his clients in the past five years and has never lost a jury trial.

  • Brian D. Ledahl

    • Role: Partner.
    • Relevant Experience: Was part of the trial teams that won the $175 million jury verdict against Verizon and the $279 million jury verdict against Samsung for Headwater Research LLC. He has significant patent litigation experience.

  • Benjamin T. Wang

    • Role: Partner.
    • Relevant Experience: Contributed to the $175 million jury verdict against Verizon and the $279 million jury verdict against Samsung for Headwater Research LLC. He represents clients in business and intellectual property disputes, particularly in patent trials and appeals.

  • Dale Chang

    • Role: Partner.
    • Relevant Experience: Instrumental in winning the $175 million jury verdict for Headwater Research against Verizon and securing the $279 million jury verdict against Samsung. He has successfully litigated cases in every major patent venue across the US, including over 20 trials.

  • Kristopher Ryan Davis

    • Role: Partner.
    • Relevant Experience: Involved in the successful litigation for Headwater Research LLC against Verizon and Samsung. He specializes in complex patent and trade secret disputes across various technologies.

  • Adam S. Hoffman

    • Role: Partner.
    • Relevant Experience: Represents clients in patent and trade secret matters, securing tens of millions in awards and settlements against high-tech companies. He has successfully tried numerous cases in various federal districts.

  • Minna Y. Jay

    • Role: Partner.
    • Relevant Experience: Represents clients in high-stakes patent litigation, contributing to highly favorable settlement and trial outcomes across a wide range of technologies.

  • James N. Pickens

    • Role: Partner.
    • Relevant Experience: Excels at trial advocacy, performing direct examinations for expert witnesses in multiple jury trials that resulted in infringement verdicts for Russ August & Kabat's clients, including Headwater Research LLC.

  • Philip X. Wang

    • Role: Partner.
    • Relevant Experience: Specializes in patent litigation and PTAB proceedings with a focus on high-technology, with trial experience before district courts, the ITC, and the Patent Office. He was profiled by Super Lawyers Magazine for his chess-champion mind applied to patent law.

  • Jason M. Wietholter

    • Role: Partner.
    • Relevant Experience: Influential in winning the $175 million jury verdict for Headwater Research against Verizon and contributed to the $279 million jury verdict against Samsung. He has extensive experience as a trial consultant in over 100 jury trials.

Local Counsel

Firm: Gillam & Smith LLP
Office Location: Marshall, Texas (Principal Office) and Tyler, Texas.

  • Harry Lee Gillam, Jr.
    • Role: Partner, local counsel.
    • Relevant Experience: Gillam & Smith LLP has extensive experience representing both plaintiffs and defendants in federal court patent infringement litigation throughout Texas. The firm is known for trying several cases every year and has deep roots in East Texas.

Other Counsel (Potential)

  • Andrea Leigh Fair
    • Firm: Miller Fair Henry PLLC
    • Role: Part of the trial team.
    • Relevant Experience: Mentioned as part of the trial team that secured the $175 million jury verdict for Headwater Research LLC against Verizon. Her firm's specific office location is not detailed in the provided search results.

Defendant representatives

Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

I'll research the defense counsel for Uber in this case.

Defendant representatives (Uber Technologies, Inc.; Uber Freight Holding Corp.; Uber Freight US LLC)

Sourcing caveat up front: the public docket for 2:25-cv-00962 that is retrievable without PACER credentials only runs through November 5, 2025 (DocketBird/Justia; PACER Monitor last updated 09/25/2025). Because the case was consolidated into lead case 2:25-cv-00961 on 10/23/2025 and all pretrial filings now go on the lead docket, the Uber defense team's full appearance history is almost certainly on the lead docket, which I could not pull. Everything below is grounded in what is public; gaps are flagged rather than filled.

Confirmed appearances on the 2:25-cv-00962 docket

Melissa Richards Smith — local counsel (appearance by signed filing, not a formal Notice of Appearance)

  • Firm / office: Gillam & Smith, LLP, 303 South Washington Avenue, Marshall, TX 75670 (also 102 N. College, Ste. 800, Tyler, TX).
  • Basis: Ms. Smith signed and filed the three Unopposed Applications for Extension of Time to Answer on September 24, 2025 on behalf of Uber Technologies, Inc. (Dkt. 5), Uber Freight Holding Corp. (Dkt. 6), and Uber Freight US LLC (Dkt. 7) — all granted the same day via text entries (Dkts. 8, 9, 10), setting each defendant's answer date to November 27, 2025. See Justia docket, 2:25-cv-00962 at 240606; PACER Monitor case 60214954.
  • Experience: One of the most active EDTX patent local-counsel/trial practitioners in Marshall; ranked highly by peer review (Martindale) and repeatedly serves as East Texas local counsel in patent cases nationwide, including Headwater's own prior campaigns against Samsung Electronics (2:23-cv-00641, with Fish & Richardson and Hilgers Graben) and Sprint/T-Mobile (2:23-cv-00379).
  • Note: She is a Texas-bar attorney admitted in EDTX; the substantive/lead defense counsel (likely admitted pro hac vice) is not disclosed on the retrievable docket.

M. (Marvin) Craig Tyler — lead/principal defense counsel (appearance was filed in error; re-filing presumed)

  • Firm / office: Perkins Coie LLP, 405 Colorado St., Suite 1700, Austin, TX 78701 (tel. 737-256-6113). Firm-name note: Perkins Coie's Texas IP group now operates under the combined brand Ashurst Perkins Coie per Chambers USA 2026; Mr. Tyler's bio is hosted at ashurstperkinscoie.com.
  • Basis: Dkt. 13 (Nov. 5, 2025) — "FILED IN ERROR NOTICE of Attorney Appearance by Marvin Craig Tyler on behalf of Uber Freight Holding Corp., Uber Freight US LLC, Uber Technologies, Inc. (Tyler, Marvin) Modified on 11/6/2025 (NKL)." The clerk's "modified" flag indicates the entry was struck and presumably re-filed (very likely on the consolidated lead docket, which I could not retrieve).
  • Experience: First-chair IP trial lawyer, Chambers USA–ranked (Texas IP), IAM Patent 1000, Best Lawyers in America (Litigation–IP, Patent Law). Notable defense-side patent trial results: Phenix Longhorn v. AUO Corp./Hisense (EDTX Marshall Division — full defense verdict of non-infringement plus patent invalidation, described as the first defense verdict in the Marshall Division for a Chinese-based defendant); NXP v. Impinj (W.D. Wash. — complete defense verdict); Impinj v. NXP (N.D. Cal. — $18.9M plaintiff's verdict, including willfulness); Bel Power v. MPS (W.D. Tex., Judge Albright — SJ of non-infringement). Prior to Perkins Coie he was at Wilson Sonsini (Austin).
  • Caveat: Because the appearance was entered "in error," I cannot state with certainty that Mr. Tyler is currently counsel of record; the docket as retrievable does not show a clean, operative Notice of Appearance for Uber. This should be verified on the lead docket (2:25-cv-00961) or via PACER.

Not confirmed / explicitly unsourced

  • No in-house Uber legal-department attorney appears on the retrievable docket. Uber's patent matters are typically managed by its IP litigation group in San Francisco, but no name is verifiable here.
  • No additional law firm (e.g., a national patent-defense firm appearing pro hac vice alongside Perkins Coie/Ashurst Perkins Coie and Gillam & Smith) is reflected in the public record I could access. I am not naming any firm as Uber's counsel based on inference.
  • Unverified lead (low confidence, do not treat as fact): A June 26, 2026 filing in an N.D. Cal. matter (govinfo, USCOURTS-cand-4_26-cv-06192) lists Quinn Emanuel Urquhart & Sullivan LLP attorneys (David A. Nelson, Chicago; Lance L. Yang and Patrick T. Schmidt, Los Angeles; Jocelyn Ma, San Francisco) alongside Russ August & Kabat as counsel for Headwater. Quinn Emanuel frequently appears opposite Headwater in Uber-related litigation, but I could not confirm which party that firm represents in that N.D. Cal. case, nor that it is an Uber entity. Flagging as a lead to check, not as a finding.
  • Co-defendant counsel is separate: In the other member cases of this consolidated family, defendants are represented by different firms (e.g., McKool Smith for Comcast in 2:25-cv-00908; Paul Hastings for the Charter entities in 2:25-cv-00907). Do not attribute those to Uber.

Contradiction flags against the previously generated sections

  1. Plaintiff's local counsel — likely error. The prior "Plaintiff representatives" section lists Gillam & Smith LLP / Harry Lee Gillam, Jr. as Headwater's local counsel. Docket evidence points the other way: Gillam & Smith (Melissa Richards Smith) filed the answer-extension applications for the Uber defendants in this very case, and Gillam & Smith also represented Samsung and Sprint/T-Mobile against Headwater. Headwater's East Texas local counsel in the contemporaneous 2025 Headwater cases is Andrea Leigh Fair of Miller Fair Henry PLLC (Longview, TX), as shown on the '192/'320-related filings and on the Target member case docket (2:25-cv-00963, Notice of Appearance 3/17/2026). Recommend correcting the plaintiff-side roster.
  2. Defendant caption mismatch. The task metadata names only "Uber Technologies, Inc.," but the complaint and docket name three defendants — Uber Technologies, Inc., Uber Freight Holding Corp., and Uber Freight US LLC (Justia docket 2:2025cv00962/240606; PACER Monitor 60214954). Counsel above appear for all three.

Practical next steps to close the gaps

  • Pull the lead-case docket (2:25-cv-00961) for Uber's Notice(s) of Appearance and its Answer/affirmative defenses (answer was due 11/27/2025), plus any pro hac vice motions that would list the full defense team.
  • Check the consolidation order (Dkt. 12, 10/23/2025) caption block, which typically lists all counsel of record and their firms for each member case.
  • Cross-check the PTAB mandatory notices in IPR2026-00106 (Amazon) and IPR2026-00153 (Target) against US 10,321,320, which list related district-court matters and counsel — these often name Uber's counsel where Uber is a real party in interest or related party.