Ollnova v. Copeland Comfort Control: Wireless Sensor Patent Dispute Ends at 956 Days
Ollnova Technologies Limited asserted two patents covering wireless automated reporting and multi-sensor power management against HVAC control maker Copeland Comfort Control LP and Verdant Environmental Technologies. After 956 days of litigation in Missouri Eastern District Court, the parties resolved their dispute and secured a dismissal with prejudice — the most conclusive form of voluntary resolution short of trial.
Wireless HVAC Control Patents Drive 956-Day Missouri Infringement Battle
Ollnova Technologies Limited, holder of US8224282B2 (dynamic value reporting for wireless automated systems) and US7746887B2 (method and device to manage power of wireless multi-sensor devices), filed suit on 29 December 2022 in the Missouri Eastern District Court against Copeland Comfort Control LP and Verdant Environmental Technologies, Inc. The action alleged infringement of wireless sensor communication and energy-management patents central to smart HVAC and building-control technology.
The case closed on 11 August 2025 via a stipulated dismissal with prejudice — meaning Ollnova’s claims against Copeland are permanently extinguished and cannot be re-filed. The dismissal order records that each side bears its own attorneys’ fees, costs, and expenses, which typically signals a negotiated resolution rather than an outright capitulation by either party. The public record does not disclose financial settlement terms or licensing arrangements, if any.
At 956 days, the litigation ran notably long for a case that resolved without trial, suggesting substantive claim-construction or validity disputes may have driven extended engagement before the parties reached resolution. The involvement of prominent IP boutiques — Russ August & Kabat for Ollnova and Ropes & Gray for Copeland — is consistent with heavily contested patent proceedings. What ultimately prompted resolution, and whether a licensing arrangement underlies the dismissal, remains undisclosed on the public record.
Filing to Dismissed with Prejudice in 956 days
956 days — well above the median ~700-day TTD for patent cases in E.D. Mo.
Dismissed with prejudice: what the resolution means for both parties
Dismissal with prejudice permanently bars re-filing
A dismissal with prejudice under Federal Rule of Civil Procedure 41 is a final adjudication on the merits for preclusion purposes. Ollnova cannot re-assert these same patent claims against Copeland in any future action. This is the most binding form of voluntary resolution — distinguishable from a dismissal without prejudice, which would preserve the right to re-file. The stipulated nature of the order suggests both parties consented to these terms.
Final — no re-filing permittedOllnova surrenders the right to pursue Copeland again
By agreeing to a with-prejudice dismissal, Ollnova permanently closes the door on these specific claims against Copeland. If a confidential licence or lump-sum payment underlies the resolution — which the public record neither confirms nor denies — Ollnova may have achieved its commercial objective. The patents themselves (US8224282B2 and US7746887B2) remain in force and may still be asserted against other parties not covered by any undisclosed agreement.
Claims extinguished vs. CopelandCopeland secures permanent peace from these patent claims
Copeland Comfort Control LP and the Copeland entities named in the stipulation obtain a permanent bar against Ollnova re-asserting US8224282B2 and US7746887B2 against them. Whether Copeland secured a licence or simply obtained the dismissal as part of a broader resolution is not disclosed. The each-party-bears-own-costs provision is consistent with a negotiated outcome and prevents Ollnova from claiming litigation expenses as leverage in any future dealings.
Permanent bar on re-assertionWireless HVAC IP risk remains live for other market players
Ollnova’s patents survive this litigation intact and enforceable. Other manufacturers of wireless thermostat, sensor-reporting, and multi-sensor power-management systems should note that resolution against Copeland does not exhaust Ollnova’s enforcement posture. The 956-day duration signals that these patents withstood prolonged challenge — suggesting meaningful claim scope. Competitors in the smart HVAC and building-automation sector should evaluate their exposure to US8224282B2 and US7746887B2.
Patents still active and enforceableFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Ollnova Technologies Limited | Company | Wireless sensor IP licensor — holder of US8224282B2 and US7746887B2Search in Eureka ↗ |
| Defendant | Copeland Comfort Control LP | Company | HVAC comfort control systems manufacturer; subsidiary within the Copeland groupSearch in Eureka ↗ |
| Co-Defendant | Verdant Environmental Technologies, Inc. | Company | Search in Eureka ↗ |
| Plaintiff counsel | Andrea L. Fair | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Anthony G. Simon | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Brett E. Cooper | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Drew B. Hollander | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Jonathan Randy Yim | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Marc A. Fenster | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Paul A. Kroeger | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Paul Tahan | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Reza Mirzaie | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff counsel | Seth Raymond Hasenour | Attorney | Counsel for Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | BC Law Group, PC | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | BC LAW GROUP PC – Austin | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | BC LAW GROUP PC – New York | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | Russ August LLP | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | Russ August & Kabat LLP | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | The Simon Law Firm, PC | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Plaintiff law firm | Ward, Smith & Hill, PLLC | Law Firm | Representing Ollnova Technologies LimitedSearch in Eureka ↗ |
| Defendant counsel | Brendan G. McDermott | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant counsel | Daniel W. Richards | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant counsel | J. Stephen Ravel | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant counsel | James L. Davis , Jr. | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant counsel | James R. Batchelder | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant counsel | Jennifer E. Hoekel | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant counsel | Rudolph A. Telscher , Jr. | Attorney | Counsel for Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant law firm | Husch Blackwell, LLP (St. Louis) | Law Firm | Representing Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant law firm | Kelly & Hart (Austin) | Law Firm | Representing Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant law firm | Ropes & Gray LLP (East Palo Alto) | Law Firm | Representing Copeland Comfort Control LPSearch in Eureka ↗ |
| Defendant law firm | ROPES AND GRAY LLP – Palo Alto | Law Firm | Representing Copeland Comfort Control LPSearch in Eureka ↗ |
| Presiding judge | Judge John A. Ross | Judge | Missouri Eastern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The stipulated dismissal order is deliberately sparse on merits detail — it records resolution and extinguishes claims without disclosing financial terms or liability findings. The with-prejudice designation is legally significant: it carries res judicata effect, permanently barring Ollnova from re-asserting these patent claims against the Copeland entities. The mutual cost-bearing provision, standard in negotiated resolutions, leaves neither party with a public record of prevailing-party status, which is consistent with a confidential commercial settlement rather than a concession of invalidity or non-infringement.
US8224282B2 & US7746887B2 — Wireless Sensor Reporting and Power Management
US8224282B2 covers dynamic value reporting for wireless automated systems — a technology concerned with how sensor nodes in a wireless network selectively report data values based on changing conditions, a core function in smart thermostats and building automation controllers. US7746887B2 addresses methods and devices for managing power consumption across wireless multi-sensor devices, a critical capability for battery-operated or energy-constrained IoT nodes. Both patents originate from application filings in the mid-2000s, placing them squarely in the foundational era of commercial wireless sensor network development.
These patents sit at the intersection of wireless communication protocols and energy-management firmware — two domains experiencing sustained commercial expansion in HVAC, smart building, and industrial IoT markets. For HVAC OEMs, thermostat platform developers, and building management system integrators, the claim scope of US8224282B2 and US7746887B2 potentially reads on standard product architectures involving periodic or event-driven sensor reporting and duty-cycle power management. The fact that Ollnova sustained nearly three years of litigation against Copeland — a sophisticated, well-resourced defendant — suggests the patents survived substantive validity and infringement scrutiny before the parties resolved.
Should you run an FTO against US8224282B2 and US7746887B2?
Any product team developing wireless thermostat controllers, smart building sensors, energy-management gateways, or multi-sensor IoT nodes for HVAC applications should treat these patents as priority FTO candidates. The combination of active enforcement (nearly three years of district court litigation), survival through a well-funded defence, and with-prejudice resolution without a public invalidity finding means claim scope has not been publicly narrowed. R&D teams implementing event-driven reporting logic or duty-cycle power control in wireless sensor firmware are in the highest-risk product categories.
PatSnap Eureka’s FTO Search Agent can map the independent claims of US8224282B2 and US7746887B2 against your product specifications, surface prior art that may support design-around strategies, and identify claim limitations that differentiate your implementation from the asserted scope. Eureka’s citation graph also reveals related continuations and family members that may extend Ollnova’s coverage — essential intelligence before product launch or partnership decisions in the wireless HVAC and building-automation sectors.
Run a freedom-to-operate analysis on US8224282B2 to assess your product’s exposure
Run FTO in Eureka →Similar wireless sensor and HVAC control patent cases in U.S. district courts
Explore patent infringement cases involving wireless sensor networks, HVAC control systems, and IoT power management asserted in U.S. district courts.
What this case signals for the wireless HVAC and smart building IP landscape
A 956-day with-prejudice resolution involving Ropes & Gray and Russ August & Kabat signals a well-funded, substantive dispute — not a nuisance filing.
Wireless sensor patents are actively enforced against HVAC incumbents
Ollnova’s willingness to sustain nearly three years of litigation against a well-resourced defendant like Copeland — backed by Ropes & Gray — demonstrates that US8224282B2 and US7746887B2 carry sufficient claim scope to justify prolonged enforcement. Companies deploying wireless sensor networks in HVAC and building-automation products should treat these patents as live risk vectors, not settled prior art.
Each-party-bears-costs clause is a common settlement signal
When a with-prejudice dismissal stipulates that each party bears its own fees and costs, it typically reflects a negotiated resolution rather than a unilateral walk-away. This cost structure is frequently seen when a confidential licence or cross-agreement underlies the dismissal. IP teams monitoring Ollnova’s portfolio should factor the possibility of undisclosed licensing terms into their competitive intelligence assessments.
Ollnova v Copeland — key questions answered
The case was dismissed with prejudice on 11 August 2025 pursuant to a joint stipulation filed by the parties. Ollnova’s patent infringement claims against Copeland are permanently extinguished. Each party agreed to bear its own attorneys’ fees, costs, and expenses. No financial settlement terms were disclosed in the public record.
Ollnova asserted two patents: US8224282B2, covering dynamic value reporting for wireless automated systems, and US7746887B2, covering a method and device to manage power of wireless multi-sensor devices. Both patents relate to wireless sensor network communication and energy management — technology relevant to smart HVAC and building-automation products.
Yes. A dismissal with prejudice operates as a final adjudication for res judicata purposes. Ollnova cannot re-file these specific patent infringement claims against the Copeland entities covered by the stipulation. However, the patents US8224282B2 and US7746887B2 remain enforceable and may still be asserted against other defendants not party to this resolution.
The stipulation and dismissal order referenced in the case record specifically names Copeland Comfort Control LP and Copeland Canada Inc. The public case data lists Verdant Environmental Technologies, Inc. as a separate co-defendant. The record does not confirm that Verdant’s claims were resolved under identical terms or at the same time, and practitioners should independently verify Verdant’s case status.
A mutual cost-bearing provision in a with-prejudice dismissal is commonly associated with a negotiated resolution — neither side is recorded as the prevailing party for fee-shifting purposes under 35 U.S.C. § 285. This structure is consistent with a confidential commercial settlement or licensing arrangement underlying the dismissal, though the public record does not confirm the existence or terms of any such agreement.
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