Express Mobile v. Facebook, Google & Wix: Federal Circuit Affirms Patent Invalid
Express Mobile asserted US9928044B2 — covering systems and methods for programming mobile devices — against a coalition of ten defendants including Facebook, Google, Wix, Squarespace, and Pinterest. After 741 days, the Federal Circuit affirmed the patent unpatentable, ending the appeal in defendants’ favour.
Federal Circuit extinguishes Express Mobile’s mobile web-builder patent portfolio play
Express Mobile, Inc. filed appeal Case No. 24-1192 at the Court of Appeals for the Federal Circuit on 28 November 2023, challenging an earlier finding that US9928044B2 — a patent covering systems and methods for programming mobile devices — was unpatentable. The defendants formed an unusually large coalition: Facebook, Google, Wix.com (two entities), Squarespace, Pinterest, HomeAway, Atlassian (two entities), and Expedia, all represented by Cooley LLP.
The Federal Circuit issued its order on 8 December 2025, affirming the underlying unpatentability determination. The one-line dispositive order — ‘AFFIRMED’ — confirms the court found no reversible legal error in the prior ruling. For Express Mobile, the affirmance extinguishes US9928044B2 as an enforcement asset. For all defendants, the patent can no longer be asserted against their mobile and web-building platforms.
A 741-day appellate timeline is broadly consistent with the Federal Circuit’s docket pace for patent validity appeals. The breadth of the defendant coalition — ten parties spanning social media, website builders, travel platforms, and project management software — suggests the patent was viewed as a broad-coverage threat to mobile web tooling infrastructure. The public record does not disclose claim-by-claim findings or which prior art grounds drove the affirmance.
Filing to Unpatentable in 741 days
741 days from filing to Federal Circuit decision — roughly two years on appeal
Federal Circuit affirms: what the unpatentability ruling means for both parties
Affirmance means the lower unpatentability finding stands intact
When the Federal Circuit issues an ‘AFFIRMED’ disposition, it confirms that no reversible error was found in the decision below. The prior tribunal’s determination that US9928044B2 is unpatentable is now final at this appellate level. Express Mobile’s patent is cancelled and cannot be revived through further Federal Circuit proceedings on the same grounds.
No reversible error foundExpress Mobile loses US9928044B2 as an enforcement vehicle
The affirmance leaves Express Mobile without a valid patent claim in this matter. The company cannot reassert US9928044B2 against any of the ten defendants or new targets. If Express Mobile holds related patents in the same family, those may still be active, but this specific asset is extinguished. Petitions for certiorari to the Supreme Court would be the only remaining avenue.
Patent extinguishedCoalition defendants secure full patent cancellation on appeal
Facebook, Google, Wix, Squarespace, Pinterest, HomeAway, Atlassian, and Expedia each benefit from the affirmance. Their mobile and web-builder products face no further infringement exposure from US9928044B2. The decision also raises the bar for any future Express Mobile assertion built on similar claim architecture — prior art is now established on the record.
All defendants clearedWeakened licensing leverage across the mobile web-building sector
The cancellation of a broadly-asserted patent covering mobile device programming systems suggests prior art density in this space is substantial. Competitors and new entrants in the website builder, social platform, and travel tech verticals can operate with reduced concern about this specific claim set. The decision may also inform how similar licensing assertions against web infrastructure platforms are received by the PTAB and Federal Circuit.
Reduced sector-wide licensing riskFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Express Mobile, Inc. | Company | Mobile web platform IP licensing entity — holder of US9928044B2Search in Eureka ↗ |
| Defendant | Facebook, Inc. | Company | Coalition of ten technology companies including Facebook, Google, Wix, and SquarespaceSearch in Eureka ↗ |
| Co-Defendant | Google, LLC | Company | Search in Eureka ↗ |
| Co-Defendant | Wix.com, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Squarespace, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Pinterest, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | HomeAway.com, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Atlassian, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Expedia, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Wix.com, Ltd. | Company | Search in Eureka ↗ |
| Co-Defendant | Atlassian Corp. plc | Company | Search in Eureka ↗ |
| Plaintiff counsel | Benoit Quarmby | Attorney | Counsel for Express Mobile, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Catherine Martinez | Attorney | Counsel for Express Mobile, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Jeffrey A. Lamken | Attorney | Counsel for Express Mobile, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Rayiner Hashem | Attorney | Counsel for Express Mobile, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Sara Margolis | Attorney | Counsel for Express Mobile, Inc.Search in Eureka ↗ |
| Plaintiff law firm | MoloLamken LLP | Law Firm | Representing Express Mobile, Inc.Search in Eureka ↗ |
| Defendant counsel | Andrew Carter Mace | Attorney | Counsel for Facebook, Inc.Search in Eureka ↗ |
| Defendant counsel | Heidi Lyn Keefe | Attorney | Counsel for Facebook, Inc.Search in Eureka ↗ |
| Defendant counsel | Mark R. Weinstein | Attorney | Counsel for Facebook, Inc.Search in Eureka ↗ |
| Defendant counsel | Phillip Edward Morton | Attorney | Counsel for Facebook, Inc.Search in Eureka ↗ |
| Defendant law firm | Cooley LLP | Law Firm | Representing Facebook, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | Court of Appeals for the Federal CircuitSearch in Eureka ↗ |
Official order — verbatim text
The Federal Circuit’s single-line disposition — ‘ORDERED AND ADJUDGED: AFFIRMED’ — is a complete merits affirmance of the unpatentability finding below. Under the appellate standard of review, the court must affirm unless it identifies reversible legal error or unsupported factual findings. The unqualified affirmance suggests Express Mobile’s arguments — whether directed at claim construction, prior art scope, or procedural grounds — did not persuade the panel. The verdict is binding on all ten named defendants and forecloses re-assertion of US9928044B2 in subsequent proceedings.
US9928044B2 — Systems and methods for programming mobile devices
US9928044B2, filed under application number US15/706746, protects systems and methods for programming mobile devices — a claim space that sits at the intersection of mobile application development frameworks and web-based site-building tools. Patents in this domain typically cover how interfaces, content structures, or executable logic are generated, stored, and delivered to mobile endpoints. The application date and claim architecture place this patent in the era of early cross-platform mobile development tooling.
The breadth of the defendant list — encompassing website builders (Wix, Squarespace), social platforms (Facebook, Pinterest), travel and booking services (Expedia, HomeAway), and developer tools (Atlassian) — suggests Express Mobile interpreted the patent’s claims as covering a wide range of mobile content delivery and web-building workflows. Such a broad assertion strategy typically indicates the patent holder believed its claims read on foundational infrastructure rather than a narrow product feature. The Federal Circuit’s affirmance of unpatentability now confirms those claims could not survive prior art scrutiny.
Should your team run an FTO analysis referencing US9928044B2?
Product and engineering teams building mobile web applications, cross-platform site builders, or content delivery frameworks should note that US9928044B2 is now cancelled and unenforceable. If your prior FTO landscape included this patent as a risk flag, it can be retired from your clearance watch list. However, Express Mobile may hold continuation patents or related family members that share specification language — these require independent FTO evaluation before clearing the risk entirely.
PatSnap Eureka’s FTO Search Agent can map the full US9928044B2 patent family, identify pending continuations, and surface related Express Mobile portfolio assets that may still be live. Eureka’s claim comparison tools allow R&D teams to benchmark current mobile programming architectures against the cancelled claim set — and any surviving related claims — in a fraction of the time required by manual searching.
Run a freedom-to-operate analysis on US9928044B2 to assess your product’s exposure
Run FTO in Eureka →Similar Federal Circuit cases: mobile platform and web-builder patent validity appeals
Explore Federal Circuit appeals involving mobile device programming patents, web-builder platform validity challenges, and NPE assertion strategies similar to Express Mobile v. Facebook.
What this case signals for the mobile web platform IP landscape
A ten-defendant coalition defeating a mobile programming patent at the Federal Circuit carries broad implications for web infrastructure IP strategy.
Coalition defence remains the preferred playbook against platform-wide NPE assertions
Ten companies spanning social media, website builders, travel, and productivity software coordinated under a single law firm. This coalition structure — increasingly common in Federal Circuit patent appeals — reduces per-defendant cost and presents unified prior art arguments. Companies operating web-builder or mobile platform products should monitor shared defence opportunities early.
Unpatentability affirmance removes US9928044B2 from all future enforcement calculus
The Federal Circuit affirmance is a final, public-record invalidity determination. Any in-house IP team that previously flagged US9928044B2 in an FTO analysis or claim chart can now close that risk. Freedom-to-operate positions built on this patent’s cancellation are durable absent Supreme Court intervention.
Express v Facebook — key questions answered
The Federal Circuit affirmed the unpatentability of US9928044B2 on 8 December 2025. The court issued an order stating ‘AFFIRMED,’ confirming no reversible error was found in the prior unpatentability determination. All ten defendants — including Facebook, Google, Wix, and Squarespace — are cleared of infringement liability under this patent.
US9928044B2 covers systems and methods for programming mobile devices. Express Mobile asserted it broadly against a coalition spanning social platforms, website builders, travel services, and developer tools — suggesting the claims were interpreted as reading on foundational mobile web delivery and site-building infrastructure shared across these sectors.
A Federal Circuit affirmance of an unpatentability determination cancels the patent claims at issue. The patent cannot be reasserted against any party. The prior art record is established publicly. The only further avenue for the patent holder is a petition for certiorari to the Supreme Court, which is rarely granted in patent validity cases.
The ten defendants were Facebook, Inc., Google LLC, Wix.com Inc., Wix.com Ltd., Squarespace Inc., Pinterest Inc., HomeAway.com Inc., Atlassian Inc., Atlassian Corp. plc, and Expedia Inc. All were represented by Cooley LLP, with Heidi Lyn Keefe and Mark R. Weinstein among the lead counsel.
The appeal ran 741 days from filing on 28 November 2023 to decision on 8 December 2025 — approximately two years. This timeline is broadly consistent with Federal Circuit docket pace for patent validity appeals involving multiple parties and complex claim histories, though it is on the longer end for cases resolved by affirmance without oral argument.
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