Voiceprint Biometric Privacy Litigation
Voiceprint Biometric Privacy Litigation Trends
147 predicted defendants identified in Rain Intelligence for this trend — companies that have not yet been sued, but are on plaintiffs’ firms’ radar.
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Rain Intelligence customers see the full list of companies under pre-filing investigation by plaintiffs’ firms — plus the AI-forecasted defendants most likely to be sued next, with case theories, evidence summaries, and plaintiff-firm activity. This public preview shows only what is already on the docket.
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Understanding the trend
What is this trend?
This report tracks litigation signals alleging that companies captured, analyzed, stored, or used voiceprints or other voice-biometric data without the written consent, disclosure, and retention practices required by Illinois biometric privacy law.
What caused it
The trend is being pushed by voice authentication, contact-center analytics, AI voice assistants, and workplace voice-analysis tools. The common allegation is that a voice recording becomes a biometric identifier when a company uses it to recognize, verify, profile, or analyze a speaker. Forecasts exclude likely GLBA-regulated financial institutions because BIPA's financial-institution exemption can be a threshold defense.
Practices driving the lawsuits
- Enrollment flows that create stored voiceprints for account authentication without written BIPA consent.
- Customer-service or contact-center tools that analyze callers' voices to identify, route, score, or authenticate them.
- AI voice assistants and connected devices that process voice biometrics from Illinois users.
- Workplace or sales-training platforms that allegedly extract voiceprints or vocal characteristics from employees or sales associates.
- Missing public retention and destruction schedules for stored voice-biometric identifiers.
- Financial-institution targets require separate GLBA-exemption analysis before treating BIPA exposure as actionable.
Filed cases
Public court records · filterable + sortable
| Filed▼ | Defendant | Court | Firm | Industry | Theory | Complaint |
|---|---|---|---|---|---|---|
| Aug 10, 2026 | Microsoft Corporation; Satya Nadella; Amy E. Hood; Jared Spataro; Rajesh Jha; Reid Hoffman; Hugh Johnston; Teri List; Catherine MacGregor; Mark Mason; Sandra E. Peterson; Penny Pritzger; Charles W. Scharf; John W. Stanton; Emma Walmsley 2:2026cv02837 | Western District of Washington | COTCHETT, PITRE & McCARTHY, LLP | Technology / Digital Platforms | Other | View |
| Aug 5, 2026 | Walmart Inc. 1:26-cv-09305 | Northern District of Illinois | Gordon Gordon Centracchio, LLP | Technology and digital platforms | Other | View |
| Aug 5, 2026 | State of California; Governor's Office of Business and Economic Development; California Office of the Small Business Advocate; Dee Dee Myers; Elmy Bermejo TCN-893961 | Los Angeles County California | Law Office of J.R. Howell | Technology and digital platforms | Other | View |
| Jul 13, 2026 | Walmart Inc. | Southern District of Illinois | Gordon Gordon & Centracchio, LLP | The Grant Law Firm, PLLC | Kantrowitz, Goldhamer, Graifman, Pearlmutter & Caballo, P.C. | Technology and digital platforms | Customer Service Voice Biometrics+1 | View |
| Jul 6, 2026 | Walmart Inc. | Northern District of Illinois | YAGMAN PLLC | Technology and digital platforms | Customer Service Voice Biometrics+1 | View |
| Apr 5, 2026 | Mercor.io Corporation | Northern District of Texas | Hacker Stephens LLP | Technology and digital platforms | Other | View |
| Mar 30, 2026 | Fireflies.ai corp. | Northern District of Illinois | Milberg, Pllc, Siri & Glimstad Llp, Chestnut Cambronne Pa | Employment and labor | BIPA Consent / Retention | View |
| Mar 23, 2026 | Fireflies.ai corp. | Northern District of California | Werman Salas P.C. | Employment and labor | BIPA Consent / Retention | View |
| Mar 10, 2026 | Fireflies.ai corp. | Northern District of Illinois | Werman Salas P.C. | Employment and labor | BIPA Consent / Retention | View |
| Feb 5, 2026 | Microsoft corporation | Western District of Washington | Byrnes Keller Cromwell Llp, Levin Law, P.a., Labaton Keller Sucharow Llp | Employment and labor | BIPA Consent / Retention | View |
| Dec 18, 2025 | Fireflies.ai corp. | Central District of Illinois | Werman Salas P.C. | Employment and labor | BIPA Consent / Retention | View |
| Dec 17, 2025 | Skywork ai pte. ltd. | Kunlun tech co., ltd. | Northern District of Illinois | Not provided | Technology and digital platforms | BIPA Consent / Retention | View |
| Oct 16, 2025 | Suno, Inc. | Unknown defendants | Northern District of Illinois | Loevy & Loevy | Technology and digital platforms | BIPA Consent / Retention | View |
| Oct 15, 2025 | Unchartered labs inc dba udio.com | unknown defendants | Northern District of Illinois | Loevy & Loevy | Technology and digital platforms | BIPA Consent / Retention | View |
| Sep 10, 2025 | Otter.ai, inc. | Northern District of California | Almeida Law Group Llc | Technology and digital platforms | Customer Service Voice Biometrics+1 | View |
| Sep 3, 2025 | Otter.ai | Northern District of California | Clarkson Law Firm, P.C. | Technology and digital platforms | Customer Service Voice Biometrics+1 | View |
| Aug 26, 2025 | Otter.ai, Inc. | Northern District of California | Werman Salas P.C. | Technology and digital platforms | BIPA Consent / Retention | View |
| May 1, 2025 | Soundhound, Inc. | Northern District of California | Ben Travis Law, Apc | Technology and digital platforms | BIPA Consent / Retention | View |
| Sep 13, 2024 | Verizon Communications Inc. And Cellco Partnership | Northern District of Illinois | Loevy & Loevy, Levin Law, P.A., Dimond Kaplan & Rothstein, P.A. | Telecommunications and media | BIPA Consent / Retention | View |
| Aug 2, 2024 | Casey's General Stores, Synq3 Restaurant Solutions, Soundhound Ai | United States District Court Illinois | Kahn Swick & Foti, LLC and Don Bivens, PLLC | Consumer products and retail | BIPA Consent / Retention | View |
| Mar 20, 2024 | Wingstop Inc. and ConverseNow Technologies, Inc. | Northern District of Illinois | Kahn Swick & Foti, LLC and Don Bivens, PLLC | Other | BIPA Consent / Retention | View |
| Mar 13, 2024 | Domino’s Pizza | Northern District of Illinois | Kahn Swick & Foti, LLC; Don Bivens, PLLC | Other | BIPA Consent / Retention | View |
| Feb 27, 2024 | Meta Platforms, Inc. | Northern District of California | Not mentioned | Other | BIPA Consent / Retention | View |
| Jul 25, 2023 | PepsiCo | Federal Court | Bursor & Fisher, P.A. | Consumer products and retail | Workplace Voice Analytics+1 | View |
| May 22, 2023 | Gongio Ltd. | Northern District of California | Bursor & Fisher LLP | Technology and digital platforms | Workplace Voice Analytics+1 | View |
| Apr 28, 2023 | Mindtickle | Northern District of California | Burson & Fisher, P.A., and L. Timothy Fisher as Plaintiff's counsel. | Technology and digital platforms | Workplace Voice Analytics+1 | View |
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