MyPaq Holdings v. Samsung, Dell & Anker: Federal Circuit Affirms Unpatentability
MyPaq Holdings Ltd. appealed a finding that US7675759B2 — covering power systems with adaptive controller-equipped power converters — was unpatentable. The Federal Circuit affirmed the ruling after 679 days, leaving the patent invalidated against Samsung Electronics, Dell Technologies, and Anker Innovations.
Federal Circuit closes the door on MyPaq’s adaptive power converter patent
MyPaq Holdings Ltd., the patent holder of US7675759B2, filed this appeal at the Court of Appeals for the Federal Circuit on 15 June 2023, challenging a prior determination that the patent was unpatentable. The patent covers a power system architecture in which power converters are governed by an adaptive controller — a technology with broad relevance across consumer electronics, data centre infrastructure, and portable charging. The appeal was brought against Samsung Electronics Co., Ltd., Dell Technologies, Inc., and Anker Innovations Ltd., all of whom are major players in the power electronics supply chain.
The Federal Circuit issued its ruling on 24 April 2025, affirming the underlying finding of unpatentability. In appellate practice, an affirmance signals that the reviewing court identified no reversible error in the lower tribunal’s reasoning or application of law. The practical consequence for MyPaq is that US7675759B2 remains cancelled and unenforceable. For Samsung, Dell, and Anker, the affirmance removes the litigation overhang and extinguishes the threat of damages or injunctive relief tied to this patent.
The 679-day duration of the appeal, while within a plausible Federal Circuit range, suggests the case may have involved substantive briefing and potentially oral argument rather than a summary disposition. The basis of termination as ‘Unpatentable’ — rather than a procedural dismissal — confirms the court reached the merits. What drove the original patentability finding, and whether claim construction or prior art formed the primary basis, is not specified in the public record, though invalidity/cancellation actions of this type commonly turn on obviousness or anticipation grounds.
Filing to Unpatentable in 679 days
679 days — longer than the median Federal Circuit appeal (~18 months)
Federal Circuit affirms: what the unpatentability ruling means for both parties
Affirmance means the lower decision stands in full
When the Federal Circuit affirms, it concludes that the tribunal below committed no reversible legal error. The original unpatentability determination — whether from a USPTO post-grant proceeding or a lower court — is now final at this appellate level. MyPaq’s ability to enforce US7675759B2 is extinguished. The patent is not merely narrowed; the affirmance confirms it should not have been granted as challenged, leaving the claims cancelled.
No reversible error foundMyPaq loses enforceability of its core power converter patent
The affirmance is definitive for MyPaq at the Federal Circuit level. US7675759B2 is unpatentable and cannot be wielded in infringement actions against Samsung, Dell, Anker, or any other party in the power electronics space. MyPaq’s options are narrow: a petition for en banc rehearing at the Federal Circuit or a certiorari petition to the Supreme Court — both statistically unlikely to succeed. The commercial value of this patent as an enforcement asset is effectively eliminated.
Patent cancelled — unenforceableSamsung, Dell & Anker secure freedom to operate without this patent
All three defendants — Samsung Electronics, Dell Technologies, and Anker Innovations — emerge with the patent threat neutralised. They are no longer exposed to damages claims or injunctive risk under US7675759B2. The affirmance also raises the bar for any successor assertion of related claims, as the Federal Circuit’s reasoning (once published) may influence claim construction in related proceedings. This outcome is consistent with a coordinated defence strategy executed through Baker Botts LLP.
Litigation risk clearedAdaptive power converter IP landscape shifts after Federal Circuit ruling
The cancellation of US7675759B2 removes a patent that, if valid, could have touched a broad range of power electronics products — from laptop chargers to server power supplies. Competitors operating in adaptive controller architectures gain certainty. However, the ruling does not extinguish the underlying technology space: other patents in this domain may still pose risk. R&D teams and IP counsel in power management, consumer electronics, and data centre hardware should monitor related continuation and family patents.
FTO improved; monitor family patentsFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | MYPAQ HOLDINGS LTD. | Company | Patent assertion entity — holder of US7675759B2 (adaptive power converter controller)Search in Eureka ↗ |
| Defendant | Samsung Electronics Co., Ltd. | Company | Samsung Electronics, Dell Technologies & Anker Innovations — consumer electronics and power hardware manufacturersSearch in Eureka ↗ |
| Co-Defendant | Dell Technologies, Inc. | Company | Search in Eureka ↗ |
| Co-Defendant | Anker Innovations Ltd. | Company | Search in Eureka ↗ |
| Plaintiff counsel | James Carmichael | Attorney | Counsel for MYPAQ HOLDINGS LTD.Search in Eureka ↗ |
| Plaintiff counsel | Minghui Yang | Attorney | Counsel for MYPAQ HOLDINGS LTD.Search in Eureka ↗ |
| Plaintiff counsel | Stephen McBride | Attorney | Counsel for MYPAQ HOLDINGS LTD.Search in Eureka ↗ |
| Plaintiff law firm | Carmichael IP PLLC | Law Firm | Representing MYPAQ HOLDINGS LTD.Search in Eureka ↗ |
| Defendant counsel | Eliot Damon Williams | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant law firm | Baker Botts 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 — ‘THIS CAUSE having been considered, it is ORDERED AND ADJUDGED: AFFIRMED’ — is a merits disposition confirming the unpatentability finding below survives appellate scrutiny. The brevity of the order language is consistent with affirmances that find no novel legal question requiring extended analysis. For MyPaq, affirmance at the Federal Circuit is functionally terminal: the patent’s invalidity is now confirmed at the highest specialised appellate level for patent matters, foreclosing re-assertion of US7675759B2 against any party.
US7675759B2 — Adaptive controller power converter system
US7675759B2, filed under application number 11/710276, claims a power system architecture in which power converters operate under an adaptive controller — a design intended to dynamically optimise power delivery in response to load conditions. This technical approach is relevant across a wide product spectrum, including laptop and desktop power supplies, USB-C and GaN charging adapters, and server power distribution units. The patent’s adaptive control claims, if valid, would have had substantial reach into consumer and enterprise power electronics.
The assertion of this patent against Samsung Electronics, Dell Technologies, and Anker Innovations indicates that MyPaq Holdings believed the claims mapped onto commercially deployed power management architectures used by leading hardware brands. The Federal Circuit’s affirmance of unpatentability effectively clears this patent from the IP landscape, but the adaptive power controller space remains active. Companies holding or developing IP in switching power supplies, digital power management, and GaN-based converters should monitor the surrounding patent ecosystem for related claims that may survive or emerge from this family.
Should you run an FTO against US7675759B2 and its patent family?
Any company designing, manufacturing, or importing power converter systems with adaptive or digital controller architectures into the US market should be aware of this case. While US7675759B2 is now confirmed unpatentable and cannot be enforced, its family may include related applications or granted patents covering overlapping adaptive control methods. Product teams shipping AC/DC power supplies, USB-C PD controllers, or GaN-based chargers should verify that no related MyPaq Holdings IP remains active before treating this space as clear.
PatSnap Eureka’s FTO Search Agent enables R&D and IP teams to map the full patent family around US7675759B2, identify any related continuations or divisionals still in force, and benchmark claims against your product architecture. Rather than a manual search, Eureka delivers a structured claim-by-claim freedom-to-operate analysis — surfacing risk before it reaches the Federal Circuit level.
Run a freedom-to-operate analysis on US7675759B2 to assess your product’s exposure
Run FTO in Eureka →Similar Federal Circuit appeals in adaptive power electronics patent disputes
Explore Federal Circuit cases involving power converter and adaptive controller patents — invalidity challenges, PAE appellate patterns, and affirmance outcomes in the power electronics sector.
What this case signals for the power electronics IP landscape
A Federal Circuit affirmance of unpatentability carries weight beyond the immediate parties — it reshapes enforcement calculus across the adaptive power converter sector.
Coordinated multi-defendant appeals can prevail on patentability grounds
Samsung, Dell, and Anker’s joint exposure to a single patent assertion underscores the value of a unified defence. Baker Botts’s representation of at least one defendant in a Federal Circuit appeal that ended in full affirmance suggests the invalidity strategy was well-executed. Companies facing PAE-style assertions on power electronics IP should evaluate coalition defence as a cost-effective path.
Post-grant patentability findings are increasingly durable on appeal
The Federal Circuit’s willingness to affirm unpatentability without remand signals that the original tribunal’s analysis was sufficiently robust. For IP teams managing patent portfolios in power management and adaptive control technologies, this case is a reminder that claims perceived as broadly drafted may not survive inter partes review or equivalent challenge, even when appealed by experienced counsel.
MYPAQ v Samsung — key questions answered
The Federal Circuit affirmed the unpatentability of US7675759B2 on 24 April 2025. The court found no reversible error in the underlying determination that the patent — covering a power system with adaptive controller-equipped power converters — was unpatentable. The patent is cancelled and unenforceable against Samsung, Dell Technologies, and Anker Innovations.
US7675759B2 (App. No. 11/710276) covers a power system architecture in which power converters are controlled by an adaptive controller designed to optimise power delivery dynamically. This type of architecture is relevant to laptop power supplies, consumer chargers, and server power distribution units — product categories in which Samsung, Dell, and Anker are active, explaining their involvement as co-defendants.
An affirmance means the Federal Circuit found no reversible legal error in the tribunal below. For MyPaq, the unpatentability finding is now confirmed at the appellate level. Residual options include petitioning for en banc rehearing at the Federal Circuit or filing a certiorari petition to the US Supreme Court — both procedurally demanding and statistically unlikely to succeed in the absence of a circuit split or novel constitutional question.
MyPaq Holdings was represented by Carmichael IP PLLC, with attorneys James Carmichael, Minghui Yang, and Stephen McBride listed as plaintiff agents. The defendants were represented by Baker Botts LLP, with Eliot Damon Williams listed as defendant agent. Baker Botts is a leading firm in patent litigation and post-grant proceedings.
The affirmance specifically cancels US7675759B2. It does not automatically invalidate related patents in the same family — continuations, divisionals, or related applications filed under the same priority chain may remain active or pending. Companies in the adaptive power controller space should conduct a family-level FTO search to identify any residual MyPaq Holdings IP that was not subject to this proceeding.
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