Memoryweb v. Samsung: Federal Circuit Affirms Patent Unpatentable (24-1322)
Memoryweb LLC’s patent covering a method and apparatus for managing digital files — US11163823B2 — was found unpatentable after Samsung Electronics challenged its validity. The Federal Circuit affirmed that ruling on December 19, 2025, closing a 715-day appellate battle over digital asset management IP.
Federal Circuit closes the door on Memoryweb’s digital file management patent
Memoryweb LLC, the holder of US11163823B2 — a patent directed to a method and apparatus for managing digital files — brought this appeal to the Federal Circuit after an underlying validity challenge initiated by Samsung Electronics Co., Ltd. resulted in a finding of unpatentability. The case was filed on January 4, 2024, and proceeded through the Federal Circuit under case number 24-1322. The patent at issue, filed under application number US16/536300, sits in the digital asset management technology space, an area that has attracted substantial enforcement and inter partes review activity in recent years.
On December 19, 2025, the Federal Circuit issued an order affirming the unpatentability finding. The verdict — ‘AFFIRMED’ — means the appellate court found no reversible error in the lower tribunal’s determination that the asserted claims of US11163823B2 were unpatentable. For Memoryweb, affirmance extinguishes the patent’s enforceability. For Samsung, the ruling confirms that the challenge strategy succeeded at every level, eliminating exposure to infringement claims under this patent.
The 715-day duration from filing to Federal Circuit decision is consistent with the typical timeline for PTAB appeal proceedings, which often extend beyond 18 months when briefing and oral argument schedules are factored in. The basis of termination — ‘Unpatentable’ — suggests the invalidity case was sufficiently well-grounded to withstand appellate scrutiny, though the public record does not disclose the specific claim grounds (e.g., anticipation or obviousness) that drove the outcome. What remains unknown is whether Memoryweb retains any related patents in its portfolio that could support future enforcement in the digital file management space.
Filing to Unpatentable in 715 days
715 days from filing to Federal Circuit decision — above the median for PTAB appeal proceedings
Federal Circuit affirms: what the unpatentability ruling means for both parties
Affirmance means the lower invalidity decision is final
When the Federal Circuit issues an ‘AFFIRMED’ order in a patentability appeal, it confirms that the lower tribunal — typically the Patent Trial and Appeal Board — committed no reversible error in its analysis. The appellate court applies deferential standards to factual findings and reviews legal conclusions de novo. Here, affirmance means the claims of US11163823B2 were correctly held unpatentable, and that determination is now binding.
No reversible error foundMemoryweb loses enforceability of its digital file management patent
Affirmance of an unpatentability finding is the most adverse outcome for a patent holder at the appellate level. US11163823B2 is cancelled, stripping Memoryweb of the right to enforce its claims covering the management of digital files against Samsung or any third party. Unless Memoryweb holds continuation patents or related claims not addressed in this proceeding, its IP position in this technology domain is materially weakened.
Patent cancelled, unenforceableSamsung’s invalidity challenge succeeds at every level
Samsung Electronics prevailed at both the lower tribunal and on appeal, completing a full-spectrum invalidity campaign against US11163823B2. With the Federal Circuit as the final patent appellate authority below the Supreme Court, Samsung has effectively exhausted Memoryweb’s appellate options at this level. The likelihood of certiorari in a fact-intensive patentability case is low, suggesting Samsung can treat this patent as fully extinguished for FTO purposes.
Appellate options exhaustedStrengthened IPR strategy for tech firms facing digital asset management claims
This outcome reinforces that inter partes review — coupled with a Federal Circuit appeal — remains an effective weapon against asserted patents in the digital file management sector. Companies facing similar claims from non-practising entities in this space can point to this result as evidence that well-resourced invalidity challenges can succeed through final judgment. It also signals that courts will apply rigorous patentability standards to software-adjacent digital management claims.
IPR strategy validatedFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Memoryweb, LLC | Company | Digital asset management IP licensor — holder of US11163823B2Search in Eureka ↗ |
| Defendant | Samsung Electronics Co., Ltd. | Company | Samsung Electronics Co., Ltd. — global consumer electronics and semiconductor manufacturerSearch in Eureka ↗ |
| Plaintiff counsel | Angelo Christopher | Attorney | Counsel for Memoryweb, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Daniel J. Schwartz | Attorney | Counsel for Memoryweb, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jennifer Hayes | Attorney | Counsel for Memoryweb, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Matthew A. Werber | Attorney | Counsel for Memoryweb, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Nixon Peabody LLP | Law Firm | Representing Memoryweb, LLCSearch in Eureka ↗ |
| Defendant counsel | Christopher Dryer | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant counsel | Irene Hwang | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant counsel | Lauren Ann Degnan | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant counsel | Michael J. McKeon | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant counsel | Timothy Rawson | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant law firm | Fish & Richardson LLP | Law Firm | Representing Samsung Electronics Co., Ltd.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 order — ‘AFFIRMED’ — carries significant weight in a patentability appeal. The court applies a deferential standard to PTAB’s factual findings (substantial evidence review) and reviews legal conclusions de novo. An unqualified affirmance with no remand instruction indicates the appellate panel found the invalidity determination well-supported on both the facts and the law. For Memoryweb, this forecloses any further appeal on the merits of these claims at this judicial level; for Samsung, it constitutes a final, binding confirmation of non-liability under US11163823B2.
US11163823B2 — Method and apparatus for managing digital files
US11163823B2, filed under application number US16/536300, protects a method and apparatus for managing digital files — a claim structure that sits at the intersection of software functionality and data organisation. Patents in this category typically claim workflows for organising, tagging, retrieving, or displaying digital assets such as photos, documents, or media files. The patent’s grant and subsequent assertion against a major consumer electronics manufacturer suggests Memoryweb believed the claims read on commercially deployed features in Samsung’s product ecosystem.
Digital file management patents have become a significant enforcement vector for non-practising entities targeting smartphone manufacturers, cloud storage providers, and social media platforms, all of which incorporate some form of media organisation functionality. US11163823B2’s cancellation removes one such assertion risk from the market, but the broader patent family around application US16/536300 warrants monitoring. Companies deploying photo management, album organisation, or digital asset cataloguing features — particularly in mobile or cloud environments — should assess whether related Memoryweb filings present residual exposure.
Should your product team run an FTO against US11163823B2?
US11163823B2 has been cancelled following the Federal Circuit’s affirmance of the unpatentability finding, which means the patent itself no longer presents a direct infringement risk. However, R&D and product teams building digital file management, photo organisation, media cataloguing, or digital asset platform features should not treat this as full clearance. Memoryweb may hold continuation applications or related family members with overlapping claims that survived this proceeding and remain in force.
PatSnap Eureka’s FTO Search Agent can map the full Memoryweb patent family around US16/536300, identify any surviving continuations or divisional applications, and flag claim language that overlaps with your product’s digital file management functionality. For teams at consumer electronics companies, cloud platforms, or photo-sharing applications, a targeted Eureka FTO review can distinguish genuine clearance from residual portfolio risk — before a new assertion lands.
Run a freedom-to-operate analysis on US11163823B2 to assess your product’s exposure
Run FTO in Eureka →Similar Federal Circuit digital asset management patent invalidity appeals
Related Federal Circuit appeals involving digital file management and media organisation patent validity challenges, including comparable PTAB affirmances in the software and consumer electronics sector.
What this case signals for the digital asset management IP landscape
Samsung’s complete success across both PTAB and Federal Circuit levels offers clear strategic lessons for IP teams in the digital file management sector.
IPR through Federal Circuit is a proven route to full patent elimination
This case confirms that a well-constructed invalidity challenge initiated at PTAB and defended through Federal Circuit appeal can result in permanent patent cancellation. For technology companies facing digital asset management patent assertions, early investment in IPR proceedings — rather than settlement — can deliver certainty that a license payment cannot.
Memoryweb’s portfolio requires immediate FTO review by digital platform companies
While US11163823B2 is cancelled, Memoryweb’s related patent family may contain continuation or divisional applications with overlapping claims. Any company operating digital file management, photo organisation, or media asset platforms should audit Memoryweb’s remaining portfolio before treating this outcome as full clearance.
Memoryweb v Samsung — key questions answered
The Federal Circuit affirmed the unpatentability of US11163823B2, a patent covering a method and apparatus for managing digital files held by Memoryweb LLC. The order — issued December 19, 2025 — confirms no reversible error was found in the lower invalidity determination, permanently cancelling the patent’s claims.
US11163823B2 (application US16/536300) is a US patent held by Memoryweb LLC directed to a method and apparatus for managing digital files. The patent sits in the digital asset management space and was asserted against Samsung Electronics, suggesting its claims were believed to read on features in Samsung’s consumer products or services related to digital media organisation.
A termination basis of ‘Unpatentable’ indicates the patent’s claims were found to fail the statutory requirements for patentability — typically anticipation or obviousness over prior art — in the underlying PTAB proceeding. The Federal Circuit’s affirmance means this finding is final: the claims of US11163823B2 are cancelled and unenforceable.
US11163823B2 is cancelled and cannot be enforced. However, whether Memoryweb retains enforceable rights in the digital file management space depends on whether it holds continuation, divisional, or related patents not addressed in this proceeding. The public record of case 24-1322 does not disclose the full scope of Memoryweb’s portfolio, making a patent family review advisable for potentially affected parties.
The public record identifies the verdict cause as an invalidity/cancellation action on patentability grounds, consistent with an inter partes review petition filed at the USPTO’s Patent Trial and Appeal Board. Samsung was represented by Fish & Richardson LLP. The Federal Circuit’s affirmance of the unpatentability finding indicates Samsung’s invalidity arguments were upheld at both the PTAB level and on appeal, a complete success across the full administrative and judicial review process.
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