IFPower v. Samsung: Patent Infringement Case Dismissed After 256 Days
IFPower Co., Ltd. filed suit against Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. in the Western District of Texas, asserting two patents covering battery covers and non-contact inductive power circuits. The parties resolved their dispute and jointly moved to dismiss within 256 days of filing.
IFPower targets Samsung over inductive power and battery patents
On February 24, 2023, IFPower Co., Ltd. filed a patent infringement action against Samsung Electronics Co., Ltd. and its U.S. subsidiary Samsung Electronics America, Inc. in the Western District of Texas (Case No. 1:23-cv-00210). The complaint asserted two U.S. patents — US7298361B2 and US7863860B2 — covering battery cover technology and non-contact electric inductance circuits for power sources, technologies relevant to consumer electronics charging and power delivery.
The recorded Basis of Termination is 'Case Dismissed.' The docket order, entered November 7, 2023, states that on November 6, 2023, the parties filed a joint motion to dismiss, representing that they had resolved their dispute. The court construed the filing as a joint stipulation of dismissal under Federal Rule of Civil Procedure 41(a)(1)(A)(ii) and ordered the case closed. The specific terms of the parties' resolution are not disclosed in the available record.
The case resolved in approximately 256 days — well before any scheduled trial and without a recorded claim construction hearing. This timeline, consistent with an early-stage resolution, suggests the dispute did not proceed to substantive merits litigation. What drove the resolution — and on what commercial or licensing terms, if any — is not reflected in the public record.
See Complete Case & Patent Analysis →Filing to Case Dismissed in 256 days
256 days from filing to closure — resolved before any trial or significant pre-trial rulings
US7298361B2 & US7863860B2 — Battery Cover and Inductive Power Circuit Patents


Any company designing or commercialising products that incorporate battery cover interfaces or non-contact inductive charging circuits — including smartphones, wearables, wireless earbuds, IoT sensors, and portable power banks — should consider whether US7298361B2 and US7863860B2 present a freedom-to-operate risk. This case demonstrates that these patents have been actively asserted against a global OEM, meaning enforcement risk is real and not hypothetical.
Official order — verbatim text
The court's November 7, 2023 order construes the parties' joint filing as a Rule 41(a)(1)(A)(ii) stipulated dismissal — effective automatically upon filing, requiring no judicial approval. The order confirms that 'nothing remains to resolve,' closing the case without any ruling on infringement, validity, or damages. The parties stated they had 'resolved their dispute'; the specific terms of that resolution are not disclosed in the docket.
Case dismissed: what the joint stipulation means for both parties
Rule 41(a)(1)(A)(ii) stipulated dismissal explained
A stipulated dismissal under Federal Rule of Civil Procedure 41(a)(1)(A)(ii) is filed jointly by all parties and requires no judicial approval — it is effective automatically upon filing. The court's order confirms this reading, noting the case is closed because 'nothing remains to resolve.' The dismissal instrument itself does not disclose prejudice terms or any further conditions; those details, if any, are not in the public record.
Joint stipulation, Rule 41(a)(1)(A)(ii)IFPower's patent claims resolved without a merits ruling
IFPower's infringement claims against Samsung were not adjudicated on the merits. The docket records that the parties 'resolved their dispute,' but the specific terms — including any licensing arrangement, payment, or covenant — are not disclosed in the available record. The patents US7298361B2 and US7863860B2 remain issued and publicly searchable.
No merits ruling; terms undisclosedSamsung exits the litigation without an adverse finding
Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. obtained dismissal of the action without any court finding of infringement or validity. The absence of a merits ruling means no judicial record of infringement against Samsung exists in this proceeding. What obligations, if any, Samsung accepted as part of the parties' reported resolution are not reflected in the public record.
No infringement findingAsserted patents remain active; enforcement potential persists
Because the case concluded without a validity or infringement ruling, the asserted patents — covering battery cover and non-contact inductive power circuit technologies — retain their full legal presumption of validity. Companies designing or selling products in adjacent wireless charging and battery interface segments should note that these patents remain viable enforcement instruments.
Patents remain enforceableFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | IFPower Co., Ltd. | Company | /Search in Eureka ↗ |
| Defendant | Samsung Electronics Co., Ltd. | Company | /Search in Eureka ↗ |
| Co-Defendant | Samsung Electronics America, Inc. | Company | Search in Eureka ↗ |
| Plaintiff counsel | Andrew G. DiNovo | Attorney | Counsel for IFPower Co., Ltd.Search in Eureka ↗ |
| Plaintiff counsel | Christopher V. Goodpastor | Attorney | Counsel for IFPower Co., Ltd.Search in Eureka ↗ |
| Plaintiff counsel | Michael Damian French | Attorney | Counsel for IFPower Co., Ltd.Search in Eureka ↗ |
| Plaintiff law firm | DiNovo Price LLP | Law Firm | Representing IFPower Co., Ltd.Search in Eureka ↗ |
| Defendant counsel | Melissa Richards Smith | Attorney | Counsel for Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Defendant law firm | Gillam & Smith LLP | Law Firm | Representing Samsung Electronics Co., Ltd.Search in Eureka ↗ |
| Presiding judge | Judge Docket II - Austin | Judge | Texas Western District CourtSearch in Eureka ↗ |
R&D signals in the inductive power and battery interface IP space
Forward-looking patent intelligence derived from IFPower's assertion of US7298361B2 and US7863860B2 against Samsung — surfacing portfolio, filing trend, and white-space signals.
IFPower's battery and inductive power patent holdings
IFPower's assertion of two patents in the battery cover and non-contact inductive power circuit domain suggests a focused portfolio strategy in consumer electronics power delivery IP. Mapping IFPower's full patent holdings and any recent assignments or continuations may reveal the scope of their assertion programme and which technology sub-segments are most exposed.
Portfolio scopeFiling trends in non-contact inductive power circuit patents
Non-contact inductive power circuits underpin Qi, MagSafe, and emerging multi-coil wireless charging standards. Patent filing activity in this space has grown significantly as OEMs integrate wireless charging across product categories. Understanding the current filing density and dominant assignees around inductive circuit architectures helps teams assess crowding and litigation risk.
Filing trendSamsung's defensive IP position in wireless and battery tech
Samsung Electronics holds a substantial patent portfolio in wireless charging, battery management, and power circuit design. Analysing Samsung's defensive filings in these sub-domains can reveal potential cross-licensing leverage points and signal where the company is investing in next-generation power delivery architectures — relevant context for competitors and suppliers alike.
Samsung IP postureInnovation white space near battery cover and inductive circuit design
The intersection of structural battery cover design and inductive charging circuit integration — particularly in thin-form and flexible device formats — may represent under-patented territory. As wearables, foldables, and IoT devices demand novel power interface solutions, identifying claim white space around these technologies could inform both R&D investment and defensive filing strategies.
White space opportunitySimilar patent cases: wireless power and battery IP in W.D. Texas
Explore related patent infringement actions involving wireless charging, inductive power circuits, and battery technology litigated in the Western District of Texas.
Related patent case — similar technology
Comparable case in the same technology domain. Patent holder and defendant reached resolution after proceedings.
SettledRelated infringement action — same court
Comparable Battery cover-adjacent infringement action. Patent enforcement dynamics analysed in depth.
Active · District CourtRelated invalidity challenge — appellate outcome
Combined invalidity and infringement action in the same technology space. Decided after substantive proceedings.
DecidedIFPower Co., Ltd.'s broader IP enforcement history
IFPower Co., Ltd.'s full litigation history covering prior enforcement, licensing activity, and inter partes review proceedings.
Portfolio viewWhat this case signals for the wireless power and battery IP landscape
A quick resolution between IFPower and Samsung leaves key patent validity questions unanswered — and the asserted patents still live.
Early resolution preserves IFPower's patents as live enforcement assets
No court ruling on validity or infringement means US7298361B2 and US7863860B2 remain presumptively valid. Companies in the wireless charging, battery interface, or consumer electronics power delivery space should treat these patents as active risks and consider FTO analysis against their own product lines.
Western District of Texas remains a live venue for electronics patent suits
IFPower's filing in W.D. Tex. is consistent with the district's continued attractiveness for patent plaintiffs. The rapid resolution — under 256 days — suggests the forum pressure may have contributed to early settlement. R&D teams and IP counsel in the electronics sector should factor this into litigation risk models.
Non-contact inductive power patents: who else is in Samsung's exposure zone?
US7863860B2's claims covering non-contact inductive power circuits may read broadly across Qi-compatible and proprietary fast-charging implementations. Mapping this patent's claim scope against current Samsung product lines — and those of competing OEMs — could reveal the true breadth of IFPower's potential enforcement posture.
IFPower's portfolio strategy: is this part of a wider assertion campaign?
A rapid resolution with a major OEM like Samsung, without public terms, is consistent with a licensing-focused assertion strategy. Tracking IFPower's other filings and patent assignments in the battery and inductive power domain may reveal whether additional defendants or technologies are being targeted.
IFPower v Samsung — key questions answered
IFPower Co., Ltd. asserted two patents: US7298361B2 (application no. US11/004890), covering battery cover technology, and US7863860B2 (application no. US12/149303), covering a non-contact electric inductance circuit for power sources. Both were asserted in a patent infringement action filed February 24, 2023 in the Western District of Texas.
The recorded Basis of Termination is 'Case Dismissed.' The court's November 7, 2023 order states that the parties filed a joint motion to dismiss on November 6, 2023, representing that they had resolved their dispute. The court construed this as a Rule 41(a)(1)(A)(ii) stipulated dismissal and closed the case. The specific terms of the parties' resolution are not disclosed in the available public record.
No. The case was dismissed pursuant to a joint stipulation before any merits ruling on infringement or validity. The patents US7298361B2 and US7863860B2 retain their presumption of validity. No court finding adverse to either party appears in the public record.
Yes. Because the case was dismissed without any ruling on the merits, both patents remain issued, presumptively valid, and enforceable. Companies operating in the battery cover or non-contact inductive power circuit space should treat these patents as active risks and may wish to conduct freedom-to-operate analysis.
The case was filed in the United States District Court for the Western District of Texas, Case No. 1:23-cv-00210, assigned to the Docket II – Austin docket. Plaintiff IFPower was represented by DiNovo Price LLP; Samsung was represented by Gillam & Smith LLP.
Track inductive power patent risk before your next product launch
US7298361B2 and US7863860B2 remain live enforcement tools with no limiting court ruling. Use PatSnap Eureka to run FTO screening, monitor IFPower's portfolio, and receive alerts on new filings in the battery and wireless charging IP space.
This page is compiled from public court dockets and third-party patent and litigation data via PatSnap Eureka, and is provided for general informational purposes only. The information shown — including party names, patent and application numbers, dates, case status, outcomes, and any analysis — may be incomplete, may not reflect the most recent filings or legal status, and may contain errors or omissions. Verify all details against official court records (for example, PACER) and the relevant patent office before relying on them.
Nothing on this page constitutes legal advice or a legal opinion on the validity, infringement, enforceability, or scope of any patent or case, and no attorney‑client relationship is created by its use. Any description of an outcome (such as a dismissal, settlement, or consent judgment) is a general summary, not a legal determination. All patents, trademarks, and company or law‑firm names are the property of their respective owners. PatSnap makes no warranty as to the accuracy or completeness of this content and disclaims, to the fullest extent permitted by law, all liability for reliance on it. For advice on a specific matter, consult qualified legal counsel.
PatSnap Eureka searches patents and litigation data to answer instantly.