Flexiworld Technologies v. Lexmark International — Dismissed With Prejudice
Flexiworld Technologies asserted nine wireless printing and mobile connectivity patents against Lexmark’s Go Line printer series and companion mobile apps. Filed in the Eastern District of Kentucky in April 2022, the case ran 784 days before the parties jointly moved to dismiss all claims and counterclaims with prejudice in June 2024.
Nine wireless-printing patents, one joint exit: what happened in Flexiworld v. Lexmark
Flexiworld Technologies, Inc. filed suit against Lexmark International, Inc. on April 14, 2022 in the Eastern District of Kentucky (Case No. 5:22-cv-00097), asserting nine U.S. patents — US10481846B2, US10037178B2, US10761791B2, US11096056B2, US7609402B2, US10140073B2, US10768871B2, US10873856B2, and US10841798B2 — against Lexmark’s Go Line series of wireless printers, the Lexmark Mobile Assistant App, and the Lexmark Mobile Print App. The patents collectively cover wireless output service platforms, mobile device connectivity, and distributed printing architectures.
The case concluded on June 6, 2024, when the court granted the parties’ joint motion to dismiss (DE 80), ordering all claims and counterclaims dismissed with prejudice and striking the matter from the active docket. A dismissal with prejudice is a final adjudication on the merits under res judicata principles — Flexiworld is permanently barred from re-filing the same infringement claims against Lexmark on these nine patents based on the same accused products.
The 784-day duration, spanning nearly two full years, suggests the parties engaged in substantial litigation activity — likely including claim construction briefing or discovery — before reaching a resolution. The joint nature of the motion and the with-prejudice designation are consistent with a confidential settlement, though no financial terms are disclosed in the public record. What drove the resolution — whether claim construction rulings, IPR pressure, or commercial negotiation — remains unknown from the public docket.
Filing to Dismissed with Prejudice in 784 days
784 days from filing to dismissal — longer than the median district court patent case
Dismissed with prejudice: what the joint motion means for both parties
Dismissed with prejudice bars any re-filing on these patents
A dismissal with prejudice operates as a final judgment on the merits. Under res judicata, Flexiworld cannot re-file any of the nine asserted patent claims against Lexmark for the same accused products. The joint motion signals mutual consent — neither party was forced into this outcome by an adverse ruling. The court granted the motion and struck the case from its active docket without issuing a merits decision.
Permanent bar on re-filingFlexiworld permanently relinquishes these claims against Lexmark
By agreeing to a with-prejudice dismissal, Flexiworld forfeits all future litigation rights against Lexmark on these nine patents as they relate to the accused Go Line printers and mobile apps. This is a significant concession for a patent licensor whose business model depends on enforcement. The outcome is consistent with a negotiated resolution — potentially a license, lump-sum payment, or cross-licensing arrangement — but no terms are publicly confirmed.
Enforcement rights extinguishedLexmark secures permanent resolution on nine asserted patents
Lexmark exits the litigation with a with-prejudice dismissal covering all claims and counterclaims, providing commercial certainty for its Go Line printer line and mobile print applications. Any counterclaims Lexmark asserted — such as invalidity or non-infringement declarations — are equally dismissed, suggesting Lexmark accepted closure rather than pressing for an invalidity ruling that could have broader market benefits.
Commercial certainty achievedFlexiworld’s broad wireless-printing portfolio remains active against others
The with-prejudice dismissal resolves the dispute only as between these two parties. Flexiworld’s nine patents remain in force and enforceable against other wireless printer and mobile print application vendors. Companies offering competing wireless printing platforms — particularly those with architectures similar to Lexmark’s Go Line and mobile app ecosystem — should treat these patents as live enforcement risk. The portfolio’s breadth across multiple application numbers suggests layered coverage across the wireless output stack.
Portfolio enforcement risk persistsFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Flexiworld Technologies, Inc. | Company | Wireless output and mobile connectivity patent licensor — holder of US10481846B2 and 8 further patentsSearch in Eureka ↗ |
| Defendant | Lexmark International, Inc. | Company | Lexmark International, Inc. — global imaging and printing technology companySearch in Eureka ↗ |
| Plaintiff counsel | Charles Austin Ginnings | Attorney | Counsel for Flexiworld Technologies, Inc.Search in Eureka ↗ |
| Plaintiff counsel | James M. Francis | Attorney | Counsel for Flexiworld Technologies, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Timothy E. Grochocinski | Attorney | Counsel for Flexiworld Technologies, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Francis Law Firm | Law Firm | Representing Flexiworld Technologies, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Nelson Bumgardner Conroy, PC | Law Firm | Representing Flexiworld Technologies, Inc.Search in Eureka ↗ |
| Defendant counsel | Amy E. Simpson | Attorney | Counsel for Lexmark International, Inc.Search in Eureka ↗ |
| Defendant counsel | Dana Rashay Howard | Attorney | Counsel for Lexmark International, Inc.Search in Eureka ↗ |
| Defendant counsel | Eric Rockwell Maas | Attorney | Counsel for Lexmark International, Inc.Search in Eureka ↗ |
| Defendant counsel | Joseph P. Reid | Attorney | Counsel for Lexmark International, Inc.Search in Eureka ↗ |
| Defendant counsel | Steven Brian Loy | Attorney | Counsel for Lexmark International, Inc.Search in Eureka ↗ |
| Defendant law firm | Holland & Knight, LLP – CA | Law Firm | Representing Lexmark International, Inc.Search in Eureka ↗ |
| Defendant law firm | Perkins Coie LLP – CA | Law Firm | Representing Lexmark International, Inc.Search in Eureka ↗ |
| Defendant law firm | Stoll Keenon Ogden, PLLC – Lexington | Law Firm | Representing Lexmark International, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | Kentucky Eastern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The court’s order adopts the parties’ agreed language verbatim, granting the joint motion and dismissing all claims and counterclaims with prejudice. Critically, no merits determination was made — the court did not construe any claims, rule on infringement, or adjudicate validity. The with-prejudice designation means the dismissal carries the legal force of a final judgment under res judicata, binding only the named parties. The nine asserted patents survive unimpaired and remain enforceable against any third party outside this proceeding.
US10481846B2 and 8 further patents — wireless output services and mobile printing
The nine asserted patents — spanning application dates from 2002 (US10/053651, underlying US7609402B2) through 2018 (US16/200380, underlying US10841798B2) — collectively cover a wireless output services platform that enables mobile devices to discover, connect to, and control printing and imaging devices over wireless networks. The portfolio appears to reflect a deliberate continuation strategy, with later applications building on earlier priority claims to extend coverage as wireless and mobile printing standards matured.
For competitors and vendors in the wireless printing ecosystem, this portfolio presents a multi-layered risk profile. The combination of early priority dates and later continuation filings means that products developed across nearly two decades of wireless printing innovation may fall within claim scope. Lexmark’s Go Line wireless printers and mobile print applications represent precisely the product category these patents appear designed to cover — and Flexiworld has demonstrated willingness to enforce. Any vendor offering wireless printing, mobile print app functionality, or cloud-connected output services should treat this portfolio as a live enforcement threat.
Should you run an FTO against US10481846B2 and Flexiworld’s wireless printing portfolio?
If your organisation develops or sells wireless printers, mobile printing applications, or cloud-connected output platforms, Flexiworld’s nine-patent portfolio warrants a structured freedom-to-operate analysis. The portfolio’s breadth — spanning mobile device discovery, wireless job routing, output service management, and mobile app integration — means that standard printer connectivity features common across the industry may intersect with one or more asserted claims. The early priority dates of certain patents (as far back as 2002) compound the risk by potentially capturing foundational wireless printing architectures.
PatSnap Eureka’s FTO Search Agent can map your product’s technical features against the full Flexiworld patent family, identify which specific claims present the highest overlap risk, and surface prior art that may support invalidity arguments. Given the continuation-heavy nature of this portfolio, a whole-family analysis — not just individual patent review — is essential. Eureka’s citation and family tree tools allow R&D and IP teams to trace claim evolution across the entire application chain and identify design-around opportunities before a product launch or market expansion.
Run a freedom-to-operate analysis on US10481846B2 to assess your product’s exposure
Run FTO in Eureka →Similar wireless printing and mobile connectivity patent cases in US district courts
Cases involving wireless printing and mobile output patent enforcement in US district courts, including prior Flexiworld actions and comparable multi-patent mobile connectivity disputes.
What this case signals for the wireless printing IP landscape
Flexiworld’s nine-patent salvo against Lexmark illustrates the enforcement pressure facing wireless printing vendors from platform connectivity patent holders.
Wide patent portfolios amplify settlement leverage in printing IP disputes
Asserting nine patents across a single product ecosystem — printers, a mobile assistant app, and a print app — forces defendants to defend on multiple claim fronts simultaneously. This multi-patent strategy increases litigation cost and complexity for defendants, typically accelerating settlement timelines. Companies with wireless printing or mobile output products should audit exposure across entire platform patent families, not just individual patents.
With-prejudice joint dismissals signal negotiated resolution, not litigation defeat
A joint motion to dismiss with prejudice after 784 days is strongly consistent with a confidential settlement or license agreement. Neither party obtained a merits ruling. For IP professionals monitoring this space, the absence of a claim construction order or invalidity finding means the patents remain unscrutinised by any court — preserving Flexiworld’s enforcement posture against third parties.
Flexiworld v Lexmark — key questions answered
Flexiworld asserted nine patents: US10481846B2, US10037178B2, US10761791B2, US11096056B2, US7609402B2, US10140073B2, US10768871B2, US10873856B2, and US10841798B2. These cover wireless output service platforms, mobile device printing connectivity, and related architectures, asserted against Lexmark’s Go Line wireless printers, Mobile Assistant App, and Mobile Print App.
A dismissal with prejudice is a final judgment on the merits under res judicata principles. It permanently bars Flexiworld from re-filing the same infringement claims against Lexmark concerning these nine patents and the accused products. Unlike a without-prejudice dismissal, which preserves the right to re-file, this outcome forecloses future litigation between these specific parties on these specific claims.
The public record does not confirm a settlement. However, the joint motion to dismiss with prejudice — filed by agreement of both parties after 784 days of litigation — is strongly consistent with a confidential resolution such as a license, lump-sum payment, or cross-license. No financial terms or settlement agreement have been publicly disclosed.
Yes. The with-prejudice dismissal binds only Flexiworld and Lexmark. The nine asserted patents remain in force and enforceable against any third party. No claim construction, invalidity ruling, or merits determination was issued, meaning the patents emerge from this litigation with their enforceability intact. Competitors in the wireless printing space should treat the portfolio as an active enforcement risk.
The public record does not state why Flexiworld chose the Eastern District of Kentucky. However, Lexmark International is headquartered in Lexington, Kentucky, which falls within that district. Venue rules permit filing where the defendant is incorporated or has a regular place of business, making the Eastern District of Kentucky a plausible and defensible choice given Lexmark’s domicile. Whether plaintiff-side considerations also influenced venue selection is not disclosed.
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