Google LLC v. Headwater Research LLC

5:25-cv-07453

Overview

Case Number 5:25-cv-07453

Filing Date 2025-09-03

Status Terminated

Termination Date 2026-03-31

Court District Court, N.D. California (cand)

Presiding Judge Noel Wise

Nature of Suit 830 Patent

Jurisdiction Type Federal Question

Cause of Action 28:2201 Declaratory Judgement

Jury Demand Plaintiff

Parties

Defendant

Headwater Research LLC

Represented By

4 Attorneys Listed

Philip X. Wang

Russ August & Kabat

Tel: +1 (310) 826-7474

Fax: +1 (310) 826-6991

Russ August & Kabat, 12424 Wilshire Boulevard, 12th Floor

Brian David Ledahl

Russ August & Kabat

Tel: +1 (310) 826-7474

Fax: +1 (310) 826-6991

Russ August & Kabat, 12424 Wilshire Boulevard, 12th Floor

Reza Mirzaie

Russ August & Kabat

Tel: +1 (310) 826-7474

Fax: +1 (310) 826-6991

Russ August & Kabat, 12424 Wilshire Boulevard, 12th Floor

Marc Aaron Fenster

Russ August & Kabat

Tel: +1 (310) 826-7474

Fax: +1 (310) 826-6991

Russ August & Kabat, 12424 Wilshire Boulevard, 12th Floor

Plaintiff

Google LLC

Represented By

5 Attorneys Listed

Homin Ban

939 S Hill St

Tel: +1 (617) 230-9899

939 S Hill St, Apt 411

David A. Nelson

Quinn Emanuel Urquhart & Sullivan, LLP

Tel: +1 (312) 705-7400

Fax: +1 (312) 463-2961

191 N. Wacker Drive, Suite 2700

Lance L. Yang

Quinn Emanuel Urquhart & Sullivan, LLP

Tel: +1 (213) 443-3360

865 S. Figueroa Street, 10th Floor

Patrick Thomas Schmidt

Quinn Emanuel, LLP

Tel: +1 (213) 443-3000

865 S. Figueroa, St., Los Angeles, CA 90017

Jocelyn Ma

Quinn Emanuel

Tel: +1 (415) 875-6600

Fax: +1 (415) 875-6700

Quinn Emanuel, 50 California Street

Court & Judges

Court

District Court, N.D. California (cand)

Presiding Judge

Noel Wise

Patents Involved

1 Patent

There is a single patent involved in this case.

Application Number	Patent Number	External Links
-	US9232403	Espacenet Google Patents

Docket Entries

COMPLAINT for Declaratory Judgment of Noninfringement of U.S. Patent Nos. 9,232,403 and 9,491,564 against Headwater Research LLC ( Filing fee $ 405, receipt number ACANDC-21083999.). Filed by Google LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14)(Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

2025-09-03

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COMPLAINT for Declaratory Judgment of Noninfringement of U.S. Patent Nos. 9,232,403 and 9,491,564 against Headwater Research LLC ( Filing fee $ 405, receipt number ACANDC-21083999.). Filed by Google LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14)(Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

2025-09-03

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COMPLAINT for Declaratory Judgment of Noninfringement of U.S. Patent Nos. 9,232,403 and 9,491,564 against Headwater Research LLC ( Filing fee $ 405, receipt number ACANDC-21083999.). Filed by Google LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14)(Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

2025-09-03

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COMPLAINT for Declaratory Judgment of Noninfringement of U.S. Patent Nos. 9,232,403 and 9,491,564 against Headwater Research LLC ( Filing fee $ 405, receipt number ACANDC-21083999.). Filed by Google LLC. (Attachments: # 1 Exhibit 1, # 2 Exhibit 2, # 3 Exhibit 3, # 4 Exhibit 4, # 5 Exhibit 5, # 6 Exhibit 6, # 7 Exhibit 7, # 8 Exhibit 8, # 9 Exhibit 9, # 10 Exhibit 10, # 11 Exhibit 11, # 12 Exhibit 12, # 13 Exhibit 13, # 14 Exhibit 14)(Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

2025-09-03

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Google LLC v. Headwater Research LLC

Overview

Parties

Defendant

Headwater Research LLC Follow

Represented By

Plaintiff

Google LLC Follow

Represented By

Court & Judges

Patents Involved

Docket Entries

Proposed Summons. (Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

Certificate of Interested Entities by Google LLC identifying Corporate Parent Alphabet Inc., Corporate Parent XXVI Holdings Inc. for Google LLC. (Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

NOTICE of Appearance filed by Lance L. Yang on behalf of Google LLC (Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

REPORT on the filing or determination of an action regarding U.S. Patent Nos. 9,232,403 and 9,491,564 (cc: form mailed to register). (Yang, Lance) (Filed on 9/3/2025) (Entered: 09/03/2025)

Initial Case Management Scheduling Order with ADR Deadlines: Case Management Statement due by 11/27/2025. Initial Case Management Conference set for 12/4/2025 11:00 AM in San Francisco, - Videoconference Only. (cv, COURT STAFF) (Filed on 9/3/2025) (Entered: 09/03/2025)

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

~Util - Case Assigned by Intake

Summons Issued as to Headwater Research LLC. (cv, COURT STAFF) (Filed on 9/11/2025) (Entered: 09/11/2025)

CERTIFICATE OF SERVICE by Google LLC (Yang, Lance) (Filed on 9/16/2025) (Entered: 09/16/2025)

SUMMONS Returned Executed by Google LLC. Headwater Research LLC served on 9/12/2025, answer due 10/3/2025. (Yang, Lance) (Filed on 9/17/2025) (Entered: 09/17/2025)

CONSENT/DECLINATION to Proceed Before a US Magistrate Judge by Google LLC.. (Yang, Lance) (Filed on 9/17/2025) (Entered: 09/17/2025)

Electronic Filing Error

Judicial Referral for Purpose of Determining Relationship of Cases re 25-cv-7453 LB and 25-cv-7591 AMO. Signed by Judge Araceli Martinez-Olguin on 9/23/2025. (ads, COURT STAFF) (Filed on 9/23/2025) (Entered: 09/23/2025)

NOTICE of Appearance filed by Reza Mirzaie on behalf of Headwater Research LLC (Mirzaie, Reza) (Filed on 9/25/2025) (Entered: 09/25/2025)

NOTICE of Appearance filed by Marc Aaron Fenster on behalf of Headwater Research LLC (Fenster, Marc) (Filed on 9/25/2025) (Entered: 09/25/2025)

NOTICE of Appearance filed by Brian David Ledahl on behalf of Headwater Research LLC (Ledahl, Brian) (Filed on 9/25/2025) (Entered: 09/25/2025)

NOTICE of Appearance filed by Philip X. Wang on behalf of Headwater Research LLC (Wang, Philip) (Filed on 9/25/2025) (Entered: 09/25/2025)

Notice of Appearance/Substitution/Change/Withdrawal of Attorney

Clerk's Notice re: Consent or Declination

STIPULATION TO EXTEND TIME TO RESPOND TO COMPLAINT filed by Headwater Research LLC. (Fenster, Marc) (Filed on 9/26/2025) (Entered: 09/26/2025)

CONSENT/DECLINATION to Proceed Before a US Magistrate Judge by Headwater Research LLC.. (Fenster, Marc) (Filed on 10/3/2025) (Entered: 10/03/2025)

Clerk's Notice of Impending Reassignment - Text Only

Case Assigned/Reassigned

Clerk's Notice Setting Zoom Hearing

Judicial Referral for Purpose of Determining Relationship of Cases re 25-cv-7453 NW. Signed by Judge Araceli Martinez-Olguin on 10/27/2025. (ads, COURT STAFF) (Filed on 10/27/2025) (Entered: 10/27/2025)

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options (Yang, Lance) (Filed on 11/13/2025) (Entered: 11/13/2025)

ADR Certification (ADR L.R. 3-5 b) of discussion of ADR options (Wang, Philip) (Filed on 11/13/2025) (Entered: 11/13/2025)

MOTION for Extension of Time to File -- Unopposed Motion to Enlarge Time for Briefing Deadlines for Headwater's Motion to Dismiss filed by Google LLC. (Attachments: # 1 Declaration of Jocelyn Ma, # 2 Exhibit 1, # 3 Proposed Order)(Ma, Jocelyn) (Filed on 11/26/2025) (Entered: 11/26/2025)

MOTION for Extension of Time to File -- Unopposed Motion to Enlarge Time for Briefing Deadlines for Headwater's Motion to Dismiss filed by Google LLC. (Attachments: # 1 Declaration of Jocelyn Ma, # 2 Exhibit 1, # 3 Proposed Order)(Ma, Jocelyn) (Filed on 11/26/2025) (Entered: 11/26/2025)

MOTION for Extension of Time to File -- Unopposed Motion to Enlarge Time for Briefing Deadlines for Headwater's Motion to Dismiss filed by Google LLC. (Attachments: # 1 Declaration of Jocelyn Ma, # 2 Exhibit 1, # 3 Proposed Order)(Ma, Jocelyn) (Filed on 11/26/2025) (Entered: 11/26/2025)

MOTION for Extension of Time to File -- Unopposed Motion to Enlarge Time for Briefing Deadlines for Headwater's Motion to Dismiss filed by Google LLC. (Attachments: # 1 Declaration of Jocelyn Ma, # 2 Exhibit 1, # 3 Proposed Order)(Ma, Jocelyn) (Filed on 11/26/2025) (Entered: 11/26/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

OPPOSITION/RESPONSE (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byGoogle LLC. (Attachments: # 1 Declaration of Lance Yang, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E)(Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

Notice of Withdrawal of Motion / Google's Motion to Withdraw Motion to Enlarge Time for Briefing Schedule Dkt. 28 (Yang, Lance) (Filed on 12/1/2025) (Entered: 12/01/2025)

REPLY (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byHeadwater Research LLC. (Attachments: # 1 Declaration of Philip X. Wang, # 2 Exhibit 2, # 3 Exhibit 3)(Fenster, Marc) (Filed on 12/8/2025) (Entered: 12/08/2025)

REPLY (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byHeadwater Research LLC. (Attachments: # 1 Declaration of Philip X. Wang, # 2 Exhibit 2, # 3 Exhibit 3)(Fenster, Marc) (Filed on 12/8/2025) (Entered: 12/08/2025)

REPLY (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byHeadwater Research LLC. (Attachments: # 1 Declaration of Philip X. Wang, # 2 Exhibit 2, # 3 Exhibit 3)(Fenster, Marc) (Filed on 12/8/2025) (Entered: 12/08/2025)

REPLY (re 27 MOTION to Dismiss FOR LACK OF PERSONAL JURISDICTION ) filed byHeadwater Research LLC. (Attachments: # 1 Declaration of Philip X. Wang, # 2 Exhibit 2, # 3 Exhibit 3)(Fenster, Marc) (Filed on 12/8/2025) (Entered: 12/08/2025)

ADMINISTRATIVE MOTION TO CONSIDER WHETHER CASES SHOULD BE RELATED filed by Headwater Research LLC. Responses due by 12/22/2025. (Attachments: # 1 Proposed Order)(Fenster, Marc) (Filed on 12/16/2025) (Entered: 12/16/2025)

ADMINISTRATIVE MOTION TO CONSIDER WHETHER CASES SHOULD BE RELATED filed by Headwater Research LLC. Responses due by 12/22/2025. (Attachments: # 1 Proposed Order)(Fenster, Marc) (Filed on 12/16/2025) (Entered: 12/16/2025)

Response re 32 ADMINISTRATIVE MOTION TO CONSIDER WHETHER CASES SHOULD BE RELATED by Google LLC. (Yang, Lance) (Filed on 12/22/2025) (Entered: 12/22/2025)

Clerk's Notice

ORDER DETERMINING CASES ARE NOT RELATED RE: 32 signed by Judge Noel Wise on 1/21/2026. (akw, COURT STAFF) (Filed on 1/21/2026) (Entered: 01/21/2026)

JOINT CASE MANAGEMENT STATEMENT filed by Google LLC. (Yang, Lance) (Filed on 1/27/2026) (Entered: 01/27/2026)

1 - Terminate Hearings AND Clerk's Notice Setting Zoom Hearing

Corporate Disclosure Statement by Headwater Research LLC (Fenster, Marc) (Filed on 2/24/2026) (Entered: 02/24/2026)

ADMINISTRATIVE MOTION to Consider Whether Cases Should Be Related (L.R. 3-12) filed by Google LLC. Responses due by 3/9/2026. (Attachments: # 1 Proposed Order)(Yang, Lance) (Filed on 3/5/2026) (Entered: 03/05/2026)

ADMINISTRATIVE MOTION to Consider Whether Cases Should Be Related (L.R. 3-12) filed by Google LLC. Responses due by 3/9/2026. (Attachments: # 1 Proposed Order)(Yang, Lance) (Filed on 3/5/2026) (Entered: 03/05/2026)

MOTION for leave to appear in Pro Hac Vice ( Filing fee $ 328, receipt number ACANDC-21725533.) filed by Google LLC. (Attachments: # 1 Certificate of Good Standing)(Nelson, David) (Filed on 3/5/2026) (Entered: 03/05/2026)

MOTION for leave to appear in Pro Hac Vice ( Filing fee $ 328, receipt number ACANDC-21725533.) filed by Google LLC. (Attachments: # 1 Certificate of Good Standing)(Nelson, David) (Filed on 3/5/2026) (Entered: 03/05/2026)

ORDER GRANTING 40 Motion for Pro Hac Vice re attorney David Nelson signed by Judge Noel Wise. (akw, COURT STAFF) (Filed on 3/11/2026) (Entered: 03/11/2026)

Statement Of Recent Decision In Support Of Google's Opposition To Headwater's Motion To Dismiss For Lack Of Personal Jurisdiction 29 by Google LLC. (Attachments: # 1 Exhibit 1-Transfer Order)(Yang, Lance) (Filed on 3/16/2026) (Entered: 03/16/2026)

MOTION for leave to appear in Pro Hac Vice ( Filing fee $ 328, receipt number ACANDC-21771927.) filed by Google LLC. (Attachments: # 1 Exhibit Certificate of Good Standing)(Ban, Homin) (Filed on 3/18/2026) (Entered: 03/18/2026)

ORDER GRANTING 43 Motion for Pro Hac Vice Re attorney: Homin Ban signed by Judge Noel Wise. (akw, COURT STAFF) (Filed on 3/20/2026) (Entered: 03/20/2026)

1 - Terminate Hearings AND Order

Administrative Motion to Consider Whether Another Party's Material Should Be Sealed filed by Google LLC. (Attachments: # 1 Proposed Order, # 2 Supplemental Brief, # 3 Declaration of Jocelyn Ma ISO Supplemental Brief)(Yang, Lance) (Filed on 3/26/2026) (Entered: 03/26/2026)

NOTICE of Voluntary Dismissal Without Prejudice Pursuant To Fed. R. Civ. P. 41(A)(1)(A)(I) by Google LLC (Yang, Lance) (Filed on 3/26/2026) (Entered: 03/26/2026)

Supplemental Brief re 45 Order,,,, Terminate Hearings,,, filed byHeadwater Research LLC. (Related document(s) 45 ) (Fenster, Marc) (Filed on 3/27/2026) (Entered: 03/27/2026)

Terminate Civil Case

***Civil Case Terminated pursuant to 48 . (akw, COURT STAFF) (Filed on 3/31/2026)

Order

NOTICE of Pendency of Other Action Involving Same Patent by Headwater Research LLC (Fenster, Marc) (Filed on 4/23/2026) (Entered: 04/23/2026)

ADMINISTRATIVE MOTION to Relate Cases Pursuant to Civil L.R. 3-12 (Second Action: 3:26-cv-01460-AMO) filed by Headwater Research LLC. Responses due by 4/27/2026. (Attachments: # 1 Proposed Order, # 2 Exhibit A)(Fenster, Marc) (Filed on 4/23/2026) (Entered: 04/23/2026)

Headwater Research LLC

Google LLC