Powermat Tech Ltd v. Apple Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Powermat Technologies Ltd. (Israel)
  • Defendant: Apple Inc. (California)
  • Plaintiff's Counsel: Mayer Brown LLP; Cherry Johnson Siegmund James PC
• Case Identification: 7:26-cv-00045, W.D. Tex., 02/11/2026
• Venue Allegations: Venue is alleged to be proper in the Western District of Texas because Apple maintains regular and established places of business in the District, including multiple Apple Store retail locations and corporate offices.
• Core Dispute: Plaintiff alleges that Defendant's wireless charging products, including iPhones, AirPods, and MagSafe accessories, infringe five U.S. patents related to inductive power transmission technology.
• Technical Context: The technology at issue is inductive wireless charging, a feature widely adopted in the consumer electronics market for devices like smartphones, smartwatches, and wireless earbuds.
• Key Procedural History: The complaint alleges that the asserted patents are Standard Essential Patents (SEPs) for the Qi wireless charging standard, which is maintained by the Wireless Power Consortium (WPC). Both Powermat and Apple are members of the WPC, which has an IPR policy requiring members to license SEPs on reasonable and non-discriminatory (RAND) terms. The complaint details a history of unsuccessful licensing negotiations between the parties, beginning in at least 2017.

Case Timeline

Date	Event
2007-01-29	Earliest Priority Date for '360 and '240 Patents
2007-10-09	Earliest Priority Date for '812 Patent
2008-07-02	Earliest Priority Date for '619 Patent
2010-07	Qi Standard Version 1.0 Issued
2012-05-29	'619 Patent Issued
2012-07-05	Earliest Priority Date for '759 Patent
2012-10-09	'812 Patent Issued
2017	Apple allegedly aware of Powermat's portfolio (since at least 2017)
2017-05-30	'360 Patent Issued
2017-10-04	Apple iPhone 8 Qi Certification Date
2018-01-09	Apple iPhone X Qi Certification Date
2020-01-24	Apple iPhone 11 Qi Certification Date
2021-02-03	Apple receives notice of '619 and '812 Patents
2023-03-21	'240 Patent Issued
2023-04-11	'759 Patent Issued
2024-07-05	Apple receives notice of '240 Patent
2025-03-17	AirPods Pro Gen 2 USB-C Version Qi Certification Date
2025-07-30	Apple receives notice of '360 and '759 Patents
2025-09-09	iPhone 16 Pro Qi Certification Date
2025-09-09	MagSafe Charger 2m Qi Certification Date
2026-02-11	Complaint Filed

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 8,188,619 - "Non Resonant Inductive Power Transmission System and Method"

• Patent Identification: U.S. Patent No. 8,188,619, "Non Resonant Inductive Power Transmission System and Method," issued May 29, 2012 Compl. ¶8

The Invention Explained

• Problem Addressed: The patent describes that typical inductive power transfer systems operate at the resonant frequency of the inductive couple, which makes them highly sensitive to environmental fluctuations or variations in alignment between the transmitter and receiver coils '619 Patent, col. 1:29-34
• The Patented Solution: The invention proposes a "non-resonant" system where the driver provides a voltage that oscillates at a transmission frequency "significantly different from the resonant frequency" '619 Patent, col. 2:45-47 In this off-resonance state, power can be regulated by making small adjustments to the frequency '619 Patent, col. 2:54-56 The system also discloses a communication method where the receiver can signal the transmitter by connecting an electrical element to its secondary coil, which increases the resonant frequency of the couple, a change the transmitter can detect by monitoring the voltage amplitude across its own primary coil Compl. ¶45 '619 Patent, col. 3:10-24
• Technical Importance: Operating away from peak resonance makes the power transfer less sensitive to misalignment, creating a more robust and practical system for consumer products where perfect coil alignment is not always guaranteed.

Key Claims at a Glance

• The complaint asserts at least claims 1, 2, 4, 6, 7, 8, 12, 13, and 15 Compl. ¶46 Independent claim 1 includes the following essential elements '619 Patent, claim 1:
  • An inductive power outlet comprising a primary inductive coil wired to a power supply via a driver.
  • The driver is configured to provide a driving voltage oscillating at a transmission frequency higher than the resonant frequency of the inductive couple.
  • The primary inductive coil is further wired to a reception circuit comprising a voltage monitor for monitoring the amplitude of a primary voltage.
  • An inductive power receiver comprising a secondary inductive coil wired to an electric load.
  • The secondary inductive coil is further wired to a transmission circuit for connecting an electric element to the secondary coil, thereby increasing the resonant frequency.
  • The system is configured such that a control signal may be transferred from the transmission circuit to the reception circuit.
• The complaint reserves the right to discover and pursue additional infringing devices Compl. ¶46

U.S. Patent No. 8,283,812 - "Inductive Power Providing System Having Moving Outlets"

• Patent Identification: U.S. Patent No. 8,283,812, "Inductive Power Providing System Having Moving Outlets," issued October 9, 2012 Compl. ¶9

The Invention Explained

• Problem Addressed: The patent background identifies the inconvenience and safety risks associated with conventional fixed electrical outlets and plugs, particularly the danger of electrocution and the difficulty of relocating outlets '812 Patent, col. 1:24-44 A key problem for inductive systems is transmitting power wastefully or hazardously when no valid receiving device is present.
• The Patented Solution: The patent discloses a protection system to prevent an inductive power provider from transmitting power in the absence of an electrical load '812 Patent, claim 6 The system uses a primary detector to monitor power from the primary inductor and a secondary detector to confirm the presence of a coupled secondary inductor. A controller communicates with both detectors and can trigger a circuit-breaker to disconnect the primary inductor from its power supply if a valid load is not detected Compl. ¶64
• Technical Importance: This technology provides a safety and efficiency mechanism for inductive power systems by ensuring that power is only transmitted when a coupled secondary inductor and valid electric load are detected.

Key Claims at a Glance

• The complaint asserts at least claims 6-8 Compl. ¶65 The infringement theory described in the complaint centers on independent claim 6, a "protection system" claim; asserted claim 7 depends from claim 6, while asserted claim 8 is itself a separate independent protection-system claim. The elements of claim 6 include:
  • A primary inductor that transfers power to a secondary inductor.
  • A circuit-breaker for disconnecting the primary inductor from a power supply.
  • A primary detector for detecting power transmitted by the primary inductor.
  • A secondary detector for detecting the secondary inductor when it is inductively coupled.
  • A controller that communicates with both detectors to trigger the circuit-breaker.
• The complaint also highlights a feature for tagging the radiation with a secondary tag to indicate coupling, which is recited in asserted claim 8, itself an independent protection-system claim Compl. ¶64

U.S. Patent No. 9,666,360 - "Pinless Power Coupling"

• Patent Identification: U.S. Patent No. 9,666,360, "Pinless Power Coupling," issued May 30, 2017 Compl. ¶10
• Technology Synopsis: The patent describes a system for wireless power transfer involving a primary unit (transmitter) and a secondary unit (receiver). The units communicate via electromagnetic signals, including regulation and confirmation signals, to manage the power transfer. Microcontrollers in each unit coordinate to generate detection pulses, activate the driver, and regulate power based on feedback Compl. ¶¶84-85
• Asserted Claims: At least claims 1-20 Compl. ¶86
• Accused Features: The complaint alleges that Apple's Qi-compliant products, such as the iPhone 16 and MagSafe Charger, infringe by using the communication protocols defined in the Qi standard (specifically the Magnetic Power Profile, or MPP) to manage detection, authentication, and power regulation between the transmitter and receiver Compl. ¶¶89-104

U.S. Patent No. 11,611,240 - "Pinless Power Coupling"

• Patent Identification: U.S. Patent No. 11,611,240, "Pinless Power Coupling," issued March 21, 2023 Compl. ¶11
• Technology Synopsis: This patent is directed to the specific mechanical and magnetic structure of a "pinless power plug" and "jack." The invention claims a specific arrangement of magnetic anchors in an annular configuration around the secondary coil, plus an additional, separate magnet used for ensuring a particular orientation or angle between the plug and jack Compl. ¶113
• Asserted Claims: At least claims 1-3, 5 (or 6), 7-13, 15 (or 16), and 17-20 Compl. ¶114
• Accused Features: The complaint targets Apple's MagSafe system. It alleges that the magnet array used in products like the iPhone 16 for alignment with MagSafe chargers corresponds to the claimed annular configuration of magnetic anchors Compl. ¶¶117-121 The complaint provides a teardown image of an iPhone 16 showing a circular array of magnets around the charging coil to support this allegation Compl. ¶120

U.S. Patent No. 11,626,759 - "System and Method for Providing Inductive Power at Multiple Power Levels"

• Patent Identification: U.S. Patent No. 11,626,759, "System and Method for Providing Inductive Power at Multiple Power Levels," issued April 11, 2023 Compl. ¶12
• Technology Synopsis: The patent describes a system where an inductive power receiver can select a power level from a plurality of available levels. It then provides a feedback signal to the power outlet, which in turn generates an AC voltage at a frequency different from the system's resonant frequency to deliver the requested power level Compl. ¶134
• Asserted Claims: At least claims 1-4, 8-9, and 13-19 Compl. ¶135
• Accused Features: The complaint alleges that Apple products supporting multiple wireless charging power levels (e.g., 7.5W with Qi, 15W with Qi2/MagSafe) infringe. The allegations state these products operate at non-resonant frequencies and use feedback to select between different power profiles, as required by the Qi standard Compl. ¶¶140-141 Compl. ¶145-146

III. The Accused Instrumentality

Product Identification

The complaint names a wide array of Apple products, including iPhones (from the iPhone 8 to the iPhone 16 family), AirPods models with wireless charging cases, the MagSafe Charger, MagSafe Duo Charger, and MagSafe Battery Pack. The complaint also includes third-party "MagSafe compatible" accessories sold by Apple Compl. ¶¶46, 65, 86, 114, 135

Functionality and Market Context

The accused products are all part of Apple's ecosystem of devices that support inductive wireless charging. The complaint alleges these products are compliant with the Qi wireless power standard, including the newer Qi2 standard that incorporates the Qi "Magnetic Power Profile" (MPP) implemented by Qi-compliant chargers Compl. ¶¶28, 47, 51 The core infringement theory is that by implementing the Qi standard, Apple's products necessarily practice at least some of the asserted claims of the patents-in-suit. The complaint includes a screenshot from the Wireless Power Consortium's website showing the "Qi-24389 CERTIFIED" status for the "iPhone 16 Pro," linking the accused product directly to the standard at the heart of the dispute Compl. p. 9 The functionality relies on a transmitter (e.g., MagSafe Charger) and a receiver (e.g., iPhone) communicating to manage alignment and power delivery across various levels Compl. ¶¶51-55

IV. Analysis of Infringement Allegations

'619 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a driver configured to provide a driving voltage oscillating at a transmission frequency higher than the resonant frequency of the inductive couple	The MagSafe Charger is Qi-compliant and operates at transmission frequencies, such as 128 kHz or 360 kHz, that are higher than the resonant frequency of the inductive couple as specified in the Qi MPP System Specification.	¶52	col. 3:5-10
said primary inductive coil is further wired to a reception circuit comprising a voltage monitor for monitoring the amplitude of a primary voltage across said primary coil	The MagSafe Charger, by implementing the MPP architecture, allegedly requires a reception circuit and a voltage monitor (such as a differential amplifier) to measure the voltage across the primary coil for communication purposes.	¶53	col. 3:12-15
a transmission circuit for connecting at least one electric element to the secondary inductive coil thereby increasing the resonant frequency	The iPhone 16 is alleged to implement the MPP architecture, which requires the secondary coil to be wired to a transmission circuit with switchable tuning capacitors (e.g., Crx2) that can be connected to increase the resonant frequency.	¶54	col. 3:19-24
a control signal may be transferred from the transmission circuit to the reception circuit	The iPhone 16's MPP-compliant system employs a transmission circuit that modulates bits onto the received power signal, which are then received and decoded by the transmitter's reception circuit, constituting the transfer of a control signal.	¶55	col. 3:22-24

'812 Patent Infringement Allegations

Claim Element (from Independent Claim 6)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a circuit-breaker for disconnecting said primary inductor from a power supply	The MagSafe Charger's compliance with the MPP standard allegedly requires a "circuit-breaker" function to reduce energy waste and disconnect the primary inductor when no electric load is present.	¶70	claim 6
at least one secondary detector for detecting said secondary inductor inductively coupled to said primary inductor	The MagSafe Charger, by implementing the MPP system, is alleged to include a secondary detector (e.g., an ASK demodulator or Control Unit) to detect the presence of a coupled secondary inductor.	¶72	claim 6
at least one controller in communication with both said primary detector and said secondary detector, for triggering said circuit-breaker	The MagSafe Charger, as part of its MPP compliance, allegedly uses a controller that communicates with both primary and secondary detectors to trigger the circuit-breaker function.	¶73	claim 6
a modulator for tagging the radiation with a secondary tag indicating that said secondary inductor is inductively coupled	The iPhone 16 and MagSafe Charger are alleged to include a modulator (such as an ASK modulator) to tag the power signal, indicating to the system that the coils are coupled, as required by the Qi standard.	¶75	claim 8

• Identified Points of Contention:
  • Reliance on Standards: The infringement allegations for both the '619 and '812 patents rely heavily on the assertion that compliance with the Qi standard (and its MPP profile) necessitates infringement. A central point of contention will be whether there exist technically reasonable, non-infringing ways to implement the Qi standard. The complaint uses a functional diagram of the "MPP PTx" from the Qi specification to map standard-mandated components to claim limitations Compl. p. 24
  • Scope Questions ('619 Patent): The analysis may turn on whether the Qi standard's use of load modulation for communication constitutes the transfer of a "control signal" by "increasing the resonant frequency" as claimed '619 Patent, claim 1 Compl. ¶55 A court will have to decide if the alleged function in the accused products is equivalent to the mechanism described in the patent.
  • Technical Questions ('812 Patent): A key question will be whether the Qi standard's power-saving "pinging" phase, where the transmitter periodically sends out a low-power pulse to detect a receiver, is functionally equivalent to the claimed "circuit-breaker" for "preventing an inductive power providing system from transmitting power." The defense may argue that the patent contemplates a complete safety shut-off, not a low-power standby mode.

V. Key Claim Terms for Construction

For U.S. Patent No. 8,188,619:

• The Term: "control signal"
• Context and Importance: This term is critical because the complaint's infringement theory equates the Qi standard's communication protocol (modulating bits onto the power signal) with the claimed "control signal" Compl. ¶55 The case's outcome may depend on whether this functional equivalency holds up under construction. Practitioners may focus on this term because the patent's description of the signal's generation (connecting an element to increase resonant frequency) may be narrower than the function performed in the accused products.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification's detailed description discloses establishing "an inductive communication channel" to "provide a simple feedback signal" between the secondary and primary units, which Powermat may cite to support a broader reading of the term '619 Patent, detailed description
  • Evidence for a Narrower Interpretation: The claim requires the signal to be transferred by a "transmission circuit for connecting at least one electric element to the secondary inductive coil thereby increasing the resonant frequency" '619 Patent, claim 1 Apple may argue this language limits the "control signal" to one generated by this specific physical mechanism, which may differ from the load modulation technique used in the Qi standard.

For U.S. Patent No. 8,283,812:

• The Term: "circuit-breaker"
• Context and Importance: The complaint alleges the accused products have a "circuit-breaker" as required by the Qi standard's power-saving features Compl. ¶70 Whether this infringement allegation succeeds raises the question of construing this term to cover the power management functions in the accused devices. Practitioners may focus on this term because its ordinary meaning implies a safety-interrupt device, which may be different from the low-power standby mode used in Qi charging.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The claim language requires the element be "for disconnecting said primary inductor from a power supply" '812 Patent, claim 6 This could be argued to functionally cover any mechanism that ceases the main power transmission, including entering a standby state.
  • Evidence for a Narrower Interpretation: The patent is titled a "protection system" and describes preventing power transmission "in the absence of an electric load" '812 Patent, abstract Apple may argue this context implies a safety-oriented, complete disconnection rather than a power-saving, periodic "pinging" mode, which is still a form of power transmission.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement for all five patents. Inducement is based on Apple allegedly encouraging and instructing its customers to use the accused wireless charging features through user manuals, website materials, and technical support Compl. ¶57 Compl. ¶77 Compl. ¶106 Compl. ¶127 Compl. ¶148 Contributory infringement is based on allegations that Apple's products contain non-staple components specifically adapted for use in the infringing systems Compl. ¶59 Compl. ¶79 Compl. ¶108 Compl. ¶129 Compl. ¶150
• Willful Infringement: Willfulness is alleged for all five patents. The complaint asserts that Apple has been aware of Powermat's patent portfolio since at least 2017 through licensing discussions, and that Apple received specific pre-suit notice of individual patents-in-suit on February 3, 2021 (the '619 and '812 Patents), July 5, 2024 (the '240 Patent), and July 30, 2025 (the '360 and '759 Patents) Compl. ¶¶34-38 Powermat alleges that Apple continued its infringing conduct despite an objectively high likelihood of infringement, constituting willful and egregious misconduct Compl. ¶61 Compl. ¶81 Compl. ¶110 Compl. ¶131 Compl. ¶152
• Relief Requested and Jury Demand: The complaint requests an award of reasonable royalties, enhanced damages under 35 U.S.C. § 284, a declaration that this case is exceptional with an award of attorneys' fees under 35 U.S.C. § 285, and all equitable relief, including an injunction or, in the alternative, ongoing reasonable royalties, together with interest and costs Compl. p. 73 Powermat also demands a trial by jury on all issues triable as such Compl. p. 72

VII. Analyst's Conclusion: Key Questions for the Case

• A central issue for the court will be one of standard-essentiality and infringement: does compliance with the Qi wireless charging standard, as Apple's products are alleged to do, necessarily require practicing at least some of the asserted claims of the Powermat patents? The case will likely involve a deep dive into the Qi specification to determine if technically and commercially viable non-infringing alternatives exist for implementation.
• A second key battleground will be claim construction and definitional scope. The dispute may turn on whether functional terms like "circuit-breaker" ('812 patent) and "control signal" ('619 patent) are broad enough to read on the power-saving and communication protocols of the Qi standard, or if there is a fundamental mismatch between the patent's specific teachings and the accused functionality.
• For patents directed to physical structures, such as the '240 patent, a key evidentiary question will be one of structural correspondence. The analysis will focus on whether the specific arrangement of coils and magnets in Apple's MagSafe products, as revealed in product teardowns like the one pictured in the complaint Compl. p. 55, maps onto the precise geometric and magnetic configurations required by the claims.