Cobblestone Wireless v. Verizon: Four Wireless Patents, Dismissed With Prejudice
Cobblestone Wireless, LLC filed suit against Verizon Communications and Cellco Partnership in the Eastern District of Texas asserting four patents covering adaptive wireless resource allocation, beam shaping, user-focusing, and network handoff. After 672 days of litigation — and with Nokia and Ericsson intervening — all parties reached a resolution and jointly moved to close the case.
A patent assertion targeting Verizon’s wireless network infrastructure ends in bilateral dismissal
Cobblestone Wireless, LLC filed this infringement action on December 16, 2022 in the Eastern District of Texas against Verizon Communications, Inc. and Cellco Partnership d/b/a Verizon Wireless. The complaint asserted four US patents — US10368361B2, US9094888B2, US8554196B2, and US8891347B2 — covering core wireless network functions: adaptive communication resource allocation, beam shape coverage cycling, user-focusing techniques, and wireless device handoff between networks. The breadth of the patent portfolio suggests a deliberate strategy targeting fundamental wireless infrastructure capabilities deployed across Verizon’s network.
The case was resolved and closed on October 18, 2024, via a joint motion to dismiss. The Court’s order reflects an asymmetric dismissal structure: Cobblestone’s claims against Verizon and related defendants were dismissed with prejudice, permanently extinguishing those specific claims in this venue. Defendants’ counterclaims — including those of intervenors Nokia of America Corporation and Ericsson Inc. — were dismissed without prejudice, preserving the ability to re-raise invalidity or other defenses in future proceedings. Each party bears its own fees, consistent with a negotiated resolution rather than a litigated outcome.
At 672 days, the litigation ran for nearly two years before resolution — long enough to have progressed well past initial pleadings into claim construction and potentially discovery. The intervention by Nokia and Ericsson is commercially notable: it suggests the asserted patents implicate standards-essential or infrastructure-level technology tied to those vendors’ equipment deployed on Verizon’s network. The financial terms of any underlying resolution remain confidential, and the public record does not disclose whether a licensing agreement was reached or what consideration, if any, changed hands.
Filing to Case Dismissed in 672 days
672 days litigated — above the median for E.D. Texas patent disputes
Asymmetric dismissal: what the with/without prejudice split means for both sides
With prejudice dismissal bars Cobblestone from re-filing these claims
A dismissal with prejudice operates as a final adjudication on the merits for res judicata purposes. Cobblestone cannot re-file these same infringement claims against Verizon on the same four patents in any US federal court. This is the hallmark of a fully resolved dispute — the patent holder has exhausted its assertion rights against this defendant on these claims, strongly suggesting a negotiated settlement that included a license or covenant not to sue.
Plaintiff claims: permanently closedDefendants’ counterclaims survive — dismissed without prejudice
Unusually, while Cobblestone’s claims are extinguished with prejudice, all counterclaims and defenses asserted by Verizon, Nokia, and Ericsson — including likely invalidity challenges — were dismissed without prejudice. This preserves defendants’ right to re-raise those defenses if Cobblestone were ever to assert these patents against them again. In practice, this asymmetry is a standard protective provision in patent settlements: the patent holder gets closure, the accused infringers retain a defensive arsenal.
Counterclaims: preserved for future useNokia and Ericsson’s intervention signals standards-layer exposure
The intervention by Nokia of America and Ericsson Inc. is strategically significant. Network equipment vendors intervene when asserted patents implicate technology embedded in their products deployed on the carrier’s network. Their participation suggests at least some of the four patents may touch 4G/5G infrastructure-layer implementations. Ericsson and Nokia securing dismissal without prejudice of their own counterclaims preserves their invalidity arguments — a prudent hedge against future assertions in other proceedings.
Infrastructure-layer IP risk flaggedOwn-costs ruling suggests a structured, arms-length resolution
The Court’s order that each party bear its own costs and attorneys’ fees — rather than awarding fees to either side — is consistent with a private settlement rather than a finding of exceptionality under 35 U.S.C. § 285. After nearly two years of litigation involving a major carrier, two equipment vendors, and seven plaintiff-side attorneys, an own-costs outcome typically suggests both parties extracted sufficient value from the resolution to forgo fee disputes. The confidential financial terms, if any, remain undisclosed.
No fee award — likely licensed resolutionFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Cobblestone Wireless, LLC | Company | Wireless patent assertion entity — holder of US10368361B2 and three related wireless network patentsSearch in Eureka ↗ |
| Defendant | Verizon Communications, Inc. | Company | Verizon Communications, Inc. and Cellco Partnership d/b/a Verizon Wireless — major US wireless carrierSearch in Eureka ↗ |
| Co-Defendant | Cellco Partnership, (dba Verizon Wireless) | Individual | Search in Eureka ↗ |
| Plaintiff counsel | Amy Elizabeth Hayden | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Andrea Leigh Fair | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Christian W. Conkle | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jonathan Ma | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Marc A. Fenster | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Neil Alan Rubin | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Reza Mirzaie | Attorney | Counsel for Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Miller Fair Henry PLLC | Law Firm | Representing Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Russ August & Kabat LLP (Los Angeles) | Law Firm | Representing Cobblestone Wireless, LLCSearch in Eureka ↗ |
| Defendant counsel | Deron R. Dacus | Attorney | Counsel for Verizon Communications, Inc.Search in Eureka ↗ |
| Defendant law firm | The Dacus Firm PC | Law Firm | Representing Verizon Communications, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | Texas Eastern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The dismissal order reflects a bilaterally negotiated exit rather than a litigated finding. The with-prejudice language as to Cobblestone’s claims carries res judicata effect — those infringement claims are permanently extinguished against these defendants. The without-prejudice dismissal of defendants’ counterclaims is a deliberate carve-out, preserving invalidity arguments for Nokia, Ericsson, Verizon, AT&T, and T-Mobile should any of these patents resurface in future proceedings. The own-costs provision is consistent with a confidential settlement and forecloses any § 285 exceptional-case fee motion.
US10368361B2 — Adaptive communication resource allocation in wireless networks
US10368361B2 (App. No. US15/500928) is the lead patent in Cobblestone’s asserted portfolio and covers adaptive communication resource allocation in wireless networks — a core scheduling and efficiency function relevant to both 4G LTE and 5G NR deployments. Alongside it, US9094888B2 (beam shape coverage cycling), US8554196B2 (user-focusing techniques), and US8891347B2 (inter-network handoff) collectively cover the physical and session layers of modern wireless infrastructure. The application numbers suggest the patents stem from PCT-origin filings, consistent with a portfolio assembled or acquired for assertion purposes.
For network operators and equipment vendors, this portfolio’s breadth is commercially significant: the four patents span resource scheduling, antenna beam management, user targeting, and handoff — functions that are not optional features but operational necessities in any LTE or 5G network. The fact that Nokia and Ericsson intervened suggests at least some claims map onto infrastructure deployed at scale. For any organisation operating or supplying components to wireless networks in the US, this portfolio warrants FTO review, particularly given Cobblestone’s demonstrated willingness to pursue simultaneous actions against multiple carriers.
Should your wireless infrastructure team run an FTO against US10368361B2?
If your organisation builds, deploys, or operates adaptive resource allocation systems, beam-managed antenna arrays, user-focusing radio units, or inter-network handoff capabilities in US wireless networks, exposure to Cobblestone’s portfolio is a live concern. The simultaneous assertion against Verizon, AT&T, and T-Mobile — three of the four largest US carriers — signals a broad-scope campaign. MVNOs, neutral hosts, private 5G operators, and RAN vendors supplying these carriers should all assess whether their implementations fall within the claims of any of the four asserted patents.
PatSnap Eureka’s FTO Search Agent can map your product features against the independent claims of US10368361B2, US9094888B2, US8554196B2, and US8891347B2 in minutes — identifying claim elements that may read on your implementation and surfacing relevant prior art. Given that Cobblestone has already demonstrated successful resolution against a Tier-1 carrier, early FTO analysis is substantially less costly than reactive litigation defence or intervention.
Run a freedom-to-operate analysis on US10368361B2 to assess your product’s exposure
Run FTO in Eureka →Similar wireless network patent assertion cases in E.D. Texas
Cases involving wireless infrastructure patents — including resource allocation, beam management, and handoff — asserted by PAEs in the Eastern District of Texas against US carriers.
What this case signals for the wireless network patent assertion landscape
Cobblestone’s multi-patent assertion against Verizon — and the subsequent intervenor activity — illustrates the layered IP risk in wireless infrastructure deployments.
Carrier-targeted assertions increasingly draw in network equipment vendors
The intervention of Nokia and Ericsson demonstrates that patent assertions targeting wireless carriers can rapidly implicate the full vendor ecosystem. R&D and IP teams at network equipment suppliers should monitor PAE litigation against their carrier customers — exposure can arrive via intervention, indemnification demands, or follow-on assertions. Early FTO analysis on asserted patents is more cost-effective than reactive intervention.
With-prejudice dismissal after 672 days strongly suggests a paid resolution
When a patent assertion entity (PAE) secures a with-prejudice dismissal against a defendant the size of Verizon after nearly two years of litigation, a licensing payment or structured settlement is the most commercially logical explanation. IP teams tracking Cobblestone’s assertion activity should treat this outcome as a signal that the asserted portfolio carries demonstrated licensing value — and assess exposure accordingly.
Cobblestone v Verizon — key questions answered
The case was dismissed with prejudice as to Cobblestone’s infringement claims against Verizon, and without prejudice as to defendants’ counterclaims, pursuant to a joint motion filed by all parties. Each party bears its own costs. The case closed on October 18, 2024, after 672 days of litigation.
Nokia of America Corporation and Ericsson Inc. intervened as intervenors in the case, suggesting the asserted patents may implicate technology embedded in their network equipment deployed on Verizon’s infrastructure. Their counterclaims were dismissed without prejudice, preserving invalidity defences for potential future proceedings.
Cobblestone asserted four patents: US10368361B2 (adaptive communication resource allocation), US9094888B2 (beam shape coverage cycling), US8554196B2 (user-focusing for wireless systems), and US8891347B2 (wireless device handoff between networks). The portfolio covers core 4G/5G infrastructure functions.
Dismissal with prejudice extinguishes Cobblestone’s infringement claims against Verizon with res judicata effect. Cobblestone cannot re-file these same claims against Verizon on the same four patents. This outcome is consistent with a licensing resolution, as patent assertion entities typically require a settlement or paid license before agreeing to a with-prejudice dismissal.
Yes. The joint dismissal order references companion cases involving T-Mobile USA, Inc. and AT&T entities (AT&T Services Inc., AT&T Mobility LLC, and AT&T Enterprises, LLC), all resolved simultaneously. This confirms Cobblestone pursued a coordinated multi-carrier assertion campaign using the same four-patent portfolio in the Eastern District of Texas.
PatSnap Eureka searches patents and litigation data to answer instantly.