Eight kHz v. Meta Platforms: 9-Patent VR Audio Suit Dismissed With Prejudice
Eight kHz, LLC filed suit against Meta Platforms in the Western District of Texas in June 2022, asserting nine US patents against Meta's Oculus and Cambria virtual-reality headset lines. The case ran nearly four years — 1,426 days — before the parties filed a joint stipulation of dismissal with prejudice, with each side bearing its own costs.
Nine VR Audio Patents, Seven Oculus Products, and a Four-Year Fight
Eight kHz, LLC, an entity holding a portfolio of nine US patents directed to audio and spatial-sound technologies, filed this infringement action against Meta Platforms, Inc. and Meta Platforms Technologies, LLC in the Western District of Texas on June 3, 2022. The asserted patents span application numbers from 2014 through 2020 and were alleged to cover features embedded in Meta's Cambria, Oculus Go, Oculus Quest, Oculus Quest 2, Oculus Rift S, Quest 3, and Oculus Pro headsets — a product line sitting at the centre of Meta's consumer VR strategy.
The recorded Basis of Termination is Dismissed with Prejudice. The docket order reflects a joint stipulation filed pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(ii), by which Eight kHz and Meta agreed to dismiss all claims brought by Eight kHz against Meta with prejudice, with each party bearing its own costs and attorneys' fees. The specific terms underlying the parties' agreement are not disclosed in the available record.
At 1,426 days, the case ran substantially longer than the median patent suit in the Western District of Texas, suggesting the dispute involved non-trivial claim construction, inter partes review activity, or extended settlement negotiations — though none of those specifics appear in the public record. What the record does show is that no judgment on the merits was entered, and the with-prejudice dismissal forecloses Eight kHz from re-asserting the same claims against Meta in future proceedings.
See Complete Case & Patent Analysis →Filing to Dismissed with Prejudice in 1426 days
1,426 days — nearly 4 years from filing to dismissal in W.D. Tex.
US10368179, US10798509, US11172316 and 6 further spatial-audio patents
Any team developing spatial audio processing, binaural rendering, HRTF personalisation, or wireless audio streaming for VR, AR, or MR headsets should treat this nine-patent portfolio as a live FTO consideration. The patents span a six-year filing window and were asserted broadly against Meta's entire Oculus ecosystem — suggesting claim scope that may reach platform-level audio features rather than narrow device implementations. The dismissal against Meta does not affect enforceability against other parties.
Official order — verbatim text
The joint stipulation characterises the dismissal as covering 'all claims brought by 8K against Meta,' making the disposition comprehensive across all nine asserted patents and all accused products. The with-prejudice designation has res judicata effect, meaning Eight kHz is foreclosed from relitigating these claims against Meta. Each party bearing its own costs means no exceptional-case finding under 35 U.S.C. § 285 is reflected in the record. The specific commercial terms, if any, that led the parties to this resolution are not disclosed in the available record.
Dismissed with prejudice: what the stipulated resolution means for both parties
Rule 41(a)(1)(A)(ii) joint stipulation — what it means
A dismissal under Rule 41(a)(1)(A)(ii) requires the signature of all parties who have appeared. When filed with prejudice, it operates as a final adjudication on the merits for res judicata purposes, permanently barring the plaintiff from reasserting the same claims. No court order beyond the filing itself is required for the dismissal to take effect.
Procedural finalityEight kHz cannot refile these claims against Meta
The with-prejudice designation means Eight kHz, LLC has permanently relinquished its right to assert these nine patents against Meta Platforms and Meta Platforms Technologies on the same grounds. Whether Eight kHz retains enforcement rights against third parties using similar technology in VR or audio applications is not addressed by this dismissal and would depend on the patents' claim scope.
Claims barred vs. MetaMeta obtains finality on Eight kHz's nine-patent portfolio
Meta Platforms and Meta Platforms Technologies secured dismissal with prejudice across all nine asserted patents covering their Oculus and Cambria product lines. No finding of infringement, validity, or invalidity was entered, so the patents themselves remain in force. Meta bears its own costs, consistent with the absence of any exceptional-case finding in the public record.
No merits findingVR audio patents remain live threats for other market participants
This dismissal resolves only the Eight kHz versus Meta dispute. The nine asserted patents are not invalidated or licensed to the broader market by this outcome. Companies developing spatial audio, head-related transfer function processing, or binaural rendering for VR and AR headsets should note that Eight kHz's portfolio may remain available for assertion against other defendants in the immersive-audio technology space.
Third-party exposure remainsFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Eight Khz, LLC | Company | /Search in Eureka ↗ |
| Defendant | Meta Platforms, Inc. | Company | /Search in Eureka ↗ |
| Co-Defendant | Meta Platforms Technologies, LLC | Company | Search in Eureka ↗ |
| Plaintiff counsel | Andrew W. Lester | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Brian Charles Poldrack | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Brian Gregory Strand | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Brian Medich | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Brian T. Bear | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Corby R. Vowell | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Danielle Joy Healey | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Dave R. Gunter | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Erick Scott Robinson | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Homayoon Rafatijo | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Ian G. Dibernardo | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jayme Partridge | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jayne C. Piana | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | John Stefan Spisak | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jonathan T. Suder | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Katherine Dearing | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Kevin S. Tuttle | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Kyle L. Elliott | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Kyril Talanov | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Michael Thomas Cooke | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Patrick M. Dunn | Attorney | Counsel for Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Brown Rudnick LLP | Law Firm | Representing Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Cherry Johnson Siegmund James PC | Law Firm | Representing Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Friedman, Suder & Cooke PC | Law Firm | Representing Eight Khz, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Spencer Fane LLP | Law Firm | Representing Eight Khz, LLCSearch in Eureka ↗ |
| Defendant counsel | Christopher W. Henry | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Douglas Ethan Lumish | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Ethan Lawrence Plail | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Gabrielle A. LaHatte | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Giri Pathmanaban | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Heather Blacklaws | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Jeffrey G. Homrig | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Joseph C. Akalski | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Kimberly Q. Li | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Paige Arnette Amstutz | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Razi Safi | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Robert Pierce Earle | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Saishruti Mutneja | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant counsel | Stephen Burbank | Attorney | Counsel for Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant law firm | Cleary Gottlieb Steen & Hamilton LLP | Law Firm | Representing Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant law firm | Latham & Watkins LLP | Law Firm | Representing Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant law firm | Scott Douglass & McConnico LLP | Law Firm | Representing Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant law firm | Weil, Gotshal & Manges LLP | Law Firm | Representing Meta Platforms, Inc.Search in Eureka ↗ |
| Defendant law firm | White & Case LLP | Law Firm | Representing Meta Platforms, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | Texas Western District CourtSearch in Eureka ↗ |
R&D signals in the VR spatial-audio patent space
Forward-looking IP and innovation intelligence derived from Eight kHz's nine-patent portfolio and Meta's Oculus/Cambria audio technology landscape.
Eight kHz's filing chronology reveals a continuation-heavy spatial-audio strategy
Application numbers spanning US14/ (2014) through US17/ (2020) suggest Eight kHz — or its predecessors in interest — pursued a deliberate continuation filing strategy to extend claim coverage as VR audio evolved. R&D teams should map the full family tree to identify any pending continuations that could generate new patent grants covering next-generation spatial-audio features.
Continuation family riskHRTF personalisation and binaural rendering: where VR audio patent density is highest
The technology domain covered by the asserted patents — head-related transfer functions, personalised binaural rendering, and wireless spatial audio for immersive headsets — is among the fastest-growing filing areas in consumer electronics IP. Tracking filing density in CPC classes H04S and G10L against applicant-assignee data can identify new entrants building assertion-ready portfolios in adjacent audio processing sub-domains.
HRTF & binaural filing trendsMeta's own spatial-audio patent activity across Oculus and Cambria platforms
Meta Platforms has been building its own audio IP portfolio across its Oculus and Cambria hardware lines, including filings directed to real-time spatial sound rendering and personalised audio pipelines. Monitoring Meta's prosecution activity can reveal where it is building defensive depth — and where gaps in its own portfolio may expose it to future third-party assertion in adjacent audio processing areas.
Meta audio patent depthAI-driven personalised HRTF and acoustic environment modelling: a filing white space
The Eight kHz patents address spatial audio as it stood through 2020. Emerging techniques — including AI-personalised HRTF generation from facial geometry, real-time room-acoustic modelling, and neural audio codecs optimised for VR — represent adjacent innovation areas where patent density remains relatively low. R&D teams filing now in these sub-domains may establish defensible IP positions ahead of mainstream commercialisation.
AI audio — emerging white spaceSimilar VR audio and spatial-sound patent suits in W.D. Texas
Explore comparable patent infringement cases involving VR headset audio, spatial sound processing, and immersive-technology IP asserted in the Western District of Texas.
What this case signals for the VR audio IP landscape
A nine-patent portfolio targeted at the world's largest VR platform — and what the four-year outcome tells the market.
With-prejudice dismissal ends Meta's exposure on all nine asserted patents
Meta has secured permanent protection from Eight kHz's specific claims across its entire Oculus and Cambria product range. No infringement finding entered, and no fee-shifting awarded — suggesting the outcome was negotiated rather than litigated to verdict. The public record discloses no further terms.
VR spatial-audio patents are active enforcement tools — monitor the Eight kHz portfolio
Nine patents across filing windows from 2014 to 2020 indicate a deliberately assembled portfolio tracking the maturation of consumer VR audio. IP teams at headset manufacturers, platform developers, and audio-middleware vendors should map their products against the surviving claim scope of these patents, which remain valid and enforceable against third parties.
Eight v Meta — key questions answered
The case was dismissed with prejudice. The parties filed a joint stipulation under Federal Rule of Civil Procedure 41(a)(1)(A)(ii) dismissing all claims brought by Eight kHz, LLC against Meta Platforms, Inc. and Meta Platforms Technologies, LLC, with each party bearing its own costs and attorneys' fees. The specific terms underlying the resolution are not disclosed in the public record.
Eight kHz asserted nine US patents: US10368179B1, US10798509B1, US11172316B2, US10448184B1, US9282196B1, US9226090B1, US10917737B2, US9674628B1, and US11290836B2. The patents span application filing dates from 2014 through 2020 and relate to spatial audio processing, binaural rendering, and wireless headset audio technologies.
The accused products identified in the case record include Cambria, Oculus Go, Oculus Pro, Oculus Quest, Oculus Quest 2, Oculus Rift S, and Quest 3 — spanning multiple generations of Meta's consumer virtual-reality headset lineup.
No. A dismissal with prejudice under Rule 41 does not constitute a ruling on the merits of invalidity or non-infringement. The nine asserted patents remain in force and are potentially enforceable against third parties. The dismissal bars only Eight kHz from reasserting the same claims against Meta.
The case ran 1,426 days — approximately 3 years and 11 months — from filing on June 3, 2022 to closure on April 29, 2026. This duration exceeds the typical resolution timeline for patent cases in the Western District of Texas. The public record does not disclose the specific reasons for the extended timeline; factors such as claim construction proceedings, parallel inter partes review petitions, or protracted settlement negotiations are consistent with cases of this length, but none are confirmed in the available record.
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