Redwood Technologies v. Realtek Semiconductor: 7 Wi-Fi Patents, Dismissed with Prejudice
Redwood Technologies, LLC filed suit against Realtek Semiconductor Corp. in the Western District of Texas asserting seven US patents covering IEEE 802.11n, 802.11ac, 802.11ax, and 802.11be Wi-Fi technology. The parties reached a Settlement and License Agreement dated April 29, 2026, with all claims dismissed with prejudice 409 days after filing.
Seven Wi-Fi Patents, One Settlement: Redwood v. Realtek in W.D. Texas
On March 25, 2025, Redwood Technologies, LLC filed a patent infringement action against Realtek Semiconductor Corp. in the United States District Court for the Western District of Texas (Case No. 6:25-cv-00111) before Judge Robert Pitman. The complaint asserted seven US patents — US8155224B2, US9628300B2, US7688901B2, US7974371B2, US8744005B2, US8873517B2, and US7664130B2 — against Realtek devices compliant with IEEE 802.11n, 802.11ac, 802.11ax, and 802.11be standards, as well as Realtek mesh devices and their associated components and firmware.
The recorded basis of termination is Dismissed with Prejudice. The docket order states that on May 8, 2026, the parties filed a joint stipulation of dismissal pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(ii), which the court granted, dismissing all claims with prejudice subject to the terms of a Settlement and License Agreement dated April 29, 2026. The specific terms of that agreement are not disclosed in the available public record.
The case resolved in approximately 409 days — before any scheduled trial — suggesting the parties reached commercial agreement relatively early in the litigation lifecycle. The involvement of a formal Settlement and License Agreement, referenced by name in the dismissal order, is consistent with a structured resolution, though the financial and licensing terms remain confidential. What drove the parties to settlement, and the scope of any license granted, is not disclosed in the public record.
See Complete Case & Patent Analysis →Filing to Dismissed with Prejudice in 409 days
409 days from filing to dismissal — typical for a negotiated resolution in W.D. Texas patent cases
US8155224B2 and 6 further patents — IEEE 802.11 Wi-Fi semiconductor technology
Any company designing, manufacturing, or integrating IEEE 802.11n, 802.11ac, 802.11ax, or 802.11be compliant chipsets or devices should assess freedom-to-operate against this seven-patent portfolio. This includes Wi-Fi chip vendors, router and access point OEMs, IoT device manufacturers, and enterprise networking companies. The with-prejudice dismissal covers Realtek specifically — it does not affect Redwood's ability to assert these patents against other parties.
Official order — verbatim text
The dismissal order records that all claims were dismissed with prejudice by joint stipulation under Rule 41(a)(1)(A)(ii), expressly subject to a Settlement and License Agreement dated April 29, 2026. The with-prejudice character of the dismissal bars Redwood from re-asserting these seven patents against Realtek on the same claims. The specific terms of the underlying agreement are not disclosed in the available record.
Dismissed with prejudice: what the resolution means for both parties
Dismissal with prejudice by joint stipulation under Rule 41
A dismissal with prejudice under Fed. R. Civ. P. 41(a)(1)(A)(ii) is a final, claim-extinguishing termination. The plaintiff cannot re-file the same claims against the same defendant. The Fifth Circuit has confirmed that such stipulated dismissals are effective automatically upon filing and require no judicial approval, though the court here entered a formal order confirming closure. The dismissal is expressly subject to the parties' Settlement and License Agreement dated April 29, 2026.
Final — claims extinguishedRedwood secures a named Settlement and License Agreement
Redwood Technologies obtained a formal Settlement and License Agreement — referenced by name in the court order — covering its portfolio of seven IEEE 802.11 Wi-Fi patents. A dismissal with prejudice in this posture is consistent with the patent holder having achieved a commercial resolution. However, the financial terms, royalty structure, and scope of any license granted are not disclosed in the available public record.
Settlement and License AgreementRealtek's exposure on all seven patents resolved by agreement
Realtek Semiconductor Corp. faced infringement claims across seven patents spanning multiple IEEE 802.11 Wi-Fi generations. The joint stipulation of dismissal with prejudice ends Redwood's ability to re-assert these specific claims. The dismissal is subject to the Settlement and License Agreement, the terms of which — including any ongoing obligations — are not disclosed in the available public record.
All claims resolvedIEEE 802.11 Wi-Fi IP enforcement remains active across chipset vendors
This case is consistent with broader licensing activity targeting IEEE 802.11 standard-compliant chipsets. Fabless semiconductor vendors and device OEMs integrating Wi-Fi chipsets should note that assertion of multi-generational 802.11 patent portfolios against chipset manufacturers is an established enforcement pattern. Companies shipping products incorporating 802.11n, 802.11ac, 802.11ax, or 802.11be chips should monitor similar portfolio holders and assess their FTO position accordingly.
Wi-Fi chipset licensing riskFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Redwood Technologies, LLC | Company | /Search in Eureka ↗ |
| Defendant | Realtek Semiconductor, Corp. | Company | /Search in Eureka ↗ |
| Plaintiff counsel | John Paul Murphy | Attorney | Counsel for Redwood Technologies, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jonathan H. Rastegar | Attorney | Counsel for Redwood Technologies, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Patrick J. Conroy | Attorney | Counsel for Redwood Technologies, LLCSearch in Eureka ↗ |
| Plaintiff counsel | T. William Kennedy , Jr. | Attorney | Counsel for Redwood Technologies, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Nelson Bumgardner Conroy PC | Law Firm | Representing Redwood Technologies, LLCSearch in Eureka ↗ |
| Defendant counsel | Jeffrey Lance Johnson | Attorney | Counsel for Realtek Semiconductor, Corp.Search in Eureka ↗ |
| Defendant counsel | Mark A. Speegle | Attorney | Counsel for Realtek Semiconductor, Corp.Search in Eureka ↗ |
| Defendant counsel | Robert J. Benson | Attorney | Counsel for Realtek Semiconductor, Corp.Search in Eureka ↗ |
| Defendant law firm | Baker Botts LLP | Law Firm | Representing Realtek Semiconductor, Corp.Search in Eureka ↗ |
| Presiding judge | Judge Robert Pitman | Judge | Texas Western District CourtSearch in Eureka ↗ |
R&D signals in the IEEE 802.11 Wi-Fi semiconductor patent space
Forward-looking patent and R&D intelligence derived from Redwood Technologies' Wi-Fi portfolio assertion against Realtek's 802.11 chipset product lines.
Redwood Technologies' IEEE 802.11 patent holdings and filing activity
Redwood Technologies asserted seven patents spanning multiple 802.11 generations in a single action, suggesting a curated portfolio strategy. IP and R&D teams should monitor Redwood's full patent holdings for additional 802.11 or adjacent wireless standards coverage that may not yet have been asserted, particularly as Wi-Fi 7 (802.11be) adoption accelerates.
Wi-Fi licensing portfolioFiling trends in IEEE 802.11ax and 802.11be Wi-Fi 6/7 technology
The inclusion of 802.11ax (Wi-Fi 6/6E) and 802.11be (Wi-Fi 7) in the accused product scope reflects the forward reach of legacy portfolio assertions. Patent filing activity in OFDMA, MU-MIMO, and multi-link operation — core to Wi-Fi 6 and 7 — is intensifying. Teams developing next-generation Wi-Fi chipsets should track filing trends in these sub-domains to anticipate emerging assertion risk.
Wi-Fi 6 and 7 filing trendsRealtek Semiconductor's defensive patent portfolio in Wi-Fi chipsets
As a major fabless Wi-Fi chipset supplier, Realtek holds its own patent portfolio in wireless LAN technology. Assessing Realtek's filing activity in 802.11 signal processing, MAC/PHY layer implementations, and mesh networking reveals both its defensive IP posture and potential cross-licensing leverage — relevant intelligence for competitors and licensing counterparties alike.
Realtek IP postureAdjacent innovation gaps near the asserted 802.11 patent claims
The seven asserted patents cover signal processing, transceiver, and protocol-layer aspects of 802.11 implementations. White-space analysis around these claim boundaries may reveal design-around opportunities in areas such as adaptive beamforming, multi-link device (MLD) architectures, and firmware-level 802.11 optimisation — domains where novel implementations could avoid overlap with Redwood's asserted claims.
Design-around opportunitiesSimilar IEEE 802.11 Wi-Fi patent infringement cases in W.D. Texas
Browse comparable patent infringement actions asserting IEEE 802.11 Wi-Fi semiconductor patents in the Western District of Texas and related federal courts.
What this case signals for the IEEE 802.11 Wi-Fi IP landscape
Seven patents, one settlement: this case reflects active monetisation of legacy and current Wi-Fi standards against chipset manufacturers.
Multi-generational 802.11 portfolios are viable enforcement tools
Redwood's assertion of patents spanning 802.11n through 802.11be signals that legacy Wi-Fi patent portfolios retain commercial leverage, particularly when asserted against devices supporting multiple standards. Companies shipping Wi-Fi 4, 5, 6, or 7 chipsets should evaluate exposure across generations, not just the current standard.
W.D. Texas remains a preferred venue for Wi-Fi patent enforcement
The Western District of Texas continues to attract patent infringement filings in the semiconductor and wireless standards space. The case resolved within 409 days before Judge Pitman, consistent with the district's reputation for efficient case management. Defendants in this venue face pressure to resolve early or engage substantial pre-trial resources.
Redwood v Realtek — key questions answered
Redwood Technologies asserted seven US patents: US8155224B2, US9628300B2, US7688901B2, US7974371B2, US8744005B2, US8873517B2, and US7664130B2. The accused products were Realtek devices compliant with IEEE 802.11n, 802.11ac, 802.11ax, and 802.11be standards, and Realtek mesh devices, including their hardware, software, and firmware components.
The case was dismissed with prejudice by joint stipulation under Fed. R. Civ. P. 41(a)(1)(A)(ii) on May 8, 2026. The dismissal was expressly subject to the terms of a Settlement and License Agreement dated April 29, 2026. The specific financial and licensing terms of that agreement are not disclosed in the available public record.
A dismissal with prejudice extinguishes Redwood's ability to re-assert the same seven patent claims against Realtek on the same grounds. The dismissal does not affect Redwood's ability to assert these or other patents against third parties not covered by the agreement.
The settlement and dismissal are specific to Redwood Technologies and Realtek Semiconductor. Other chipset vendors, OEMs, or device manufacturers incorporating IEEE 802.11-compliant silicon are not covered by this resolution and remain potentially exposed to assertion of Redwood's seven-patent portfolio. A freedom-to-operate analysis is advisable for any company with products in scope.
The case was filed in the United States District Court for the Western District of Texas (Case No. 6:25-cv-00111) and was assigned to Judge Robert Pitman. Plaintiff Redwood Technologies was represented by Nelson Bumgardner Conroy PC; defendant Realtek was represented by Baker Botts LLP.
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