Litigation
Unified Patents v. LS Cable & Systems Ltd.
Not Instituted - MeritsIPR2025-01141
Patents at issue (1)
Plaintiffs (1)
Defendants (1)
Summary
Unified Patents filed an Inter Partes Review petition against LS Cable & Systems Ltd. concerning US patent 8013568, but the PTAB decided not to institute a full review based on the merits of the petition.
Case overview & background
Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.
Unified Patents filed an Inter Partes Review (IPR) petition, IPR2025-01141, against LS Cable & Systems Ltd. before the Patent Trial and Appeal Board (PTAB), challenging the validity of U.S. Patent No. 8,013,568. Unified Patents is a member-based organization dedicated to deterring non-practicing entities (NPEs) and improving patent quality through various initiatives, including filing IPRs against what they consider low-quality patents. The patent owner, LS Cable & Systems Ltd., is a prominent South Korea-based industrial corporation and one of the world's largest manufacturers of power and telecommunication cables and related systems.
The patent at issue, US Patent 8,013,568, is titled "Contact-less chargeable battery and charging device, battery charging set, and charging control method thereof," and relates to wireless charging technology. This IPR was filed in the context of underlying litigation where LS Cable & Systems Ltd. accused Apple Inc.'s iPhones, Apple Watches, and AirPods of infringing this patent in the United States District Court for the Northern District of California. Therefore, the accused technology involves Apple's wireless charging-enabled devices.
The procedural posture of this case is an Inter Partes Review at the Patent Trial and Appeal Board, which decided not to institute a full review, citing "Not Instituted - Merits" as the status. This means the PTAB determined that Unified Patents' petition failed to demonstrate a reasonable likelihood of prevailing on at least one challenged claim, thus declining to proceed with a full review based on the substantive invalidity arguments presented. This case is notable because Unified Patents, typically known for challenging NPE-held patents, initiated this IPR against an operating company like LS Cable & Systems Ltd. Moreover, the PTAB's decision to deny institution on the merits, rather than on discretionary grounds, represents a significant outcome in favor of the patent owner, LS Cable & Systems Ltd., allowing their patent to proceed in the parallel district court litigation against Apple.
Key legal developments & outcome
Major rulings, motions, claim construction, settlements, and the present posture or final disposition.
LS Cable & Systems Ltd. initiated a patent infringement lawsuit against Apple Inc. in the U.S. District Court for the Northern District of California.
Here's a chronological overview of the key legal developments and outcomes:
Filing & Initial Pleadings (December 2024): LS Cable & Systems Ltd. filed a complaint against Apple Inc. in the Northern District of California on December 18, 2024. The case, assigned case number 3:24-cv-09194, alleges that Apple's iPhones, Apple Watches, and AirPods infringe on U.S. Patent No. 8,013,568, which relates to wireless charging technology. LS Cable claims that Apple's alleged infringement began around 2017 with the announcement of the AirPower wireless charging pad, and that they had sent warning letters to Apple regarding the alleged infringement as early as 2019, followed by a claim chart in 2020. The lawsuit came after a reexamination certificate for the '568 patent was issued in September 2023, which canceled claim 2, amended other existing claims, and added new claims 25-58. K&L Gates LLP is representing LS Cable in this action. Judge James Donato was assigned to preside over the case after an initial assignment to Magistrate Judge Peter H. Kang. Apple's response to the complaint was due by March 10, 2025.
Parallel PTAB IPR Proceedings (2025): Unified Patents filed an Inter Partes Review (IPR) petition, IPR2025-01141, challenging the validity of US Patent 8,013,568. The PTAB decided not to institute a full review, citing "Not Instituted - Merits" as the status. This decision means the PTAB found that Unified Patents' petition failed to demonstrate a reasonable likelihood of prevailing on at least one challenged claim. The projected final written decision due date in the IPR proceeding was August 12, 2026. The non-institution by the PTAB allows the district court litigation against Apple to proceed without a concurrent validity challenge before the Board.
Plaintiff representatives
Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
- Unified Patents
- Michelle Aspen · in-house
- Jonathan Stroud · in-house
- Roshan Mansinghani · in-house
Unified Patents, as the petitioner in the IPR, typically uses a combination of in-house counsel and outside law firms for their PTAB proceedings.
Based on general practices for Unified Patents and available information from similar IPR cases, the counsel representing Unified Patents in IPR2025-01141 likely includes:
Michelle Aspen
- Role: Senior Patent Counsel (in-house)
- Firm: Unified Patents Inc., Washington, D.C.
- Experience Note: Michelle Aspen is frequently involved in Unified Patents' IPR proceedings and has spoken on PTAB-related topics, including Fintiv denials.
Jonathan Stroud
- Role: Chief IP Counsel (in-house)
- Firm: Unified Patents Inc., Washington, D.C.
- Experience Note: Jonathan Stroud is a key legal figure at Unified Patents, involved in numerous IPRs and discussions on patent quality and reform.
Roshan Mansinghani
- Role: Legal Head - NPE (in-house)
- Firm: Unified Patents Inc., Washington, D.C.
- Experience Note: Roshan Mansinghani is also an in-house counsel at Unified Patents, with experience in NPE-related patent challenges.
Unified Patents often works with outside counsel from firms specializing in IPRs, such as Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P. (Finnegan) or Erise IP, for aspects of their petitions. For example, Finnegan represented Unified Patents in an IPR against an Intellectual Ventures patent, and Erise IP attorneys Eric Buresh and Nick Apel have represented Unified Patents in other IPR and reexamination proceedings. Specific counsel from these firms for IPR2025-01141 would typically be identified in the petition or subsequent docket entries, which are not publicly detailed in the provided search results for this specific case.
It is important to note that while Unified Patents names itself as the sole real party-in-interest in its IPR petitions, the organization's purpose is to deter NPE litigation and improve patent quality for its members. In some instances, the PTAB or district courts have investigated whether Unified Patents' members should be identified as real parties in interest, particularly when those members are involved in parallel litigation. However, for IPR2025-01141, the focus remains on Unified Patents as the named petitioner.
Defendant representatives
Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
- K&L Gates
- Erik J. Halverson · lead counsel
- Jason A. Engel · lead counsel
- Rebekah Hill · counsel
LS Cable & Systems Ltd. is represented by K&L Gates LLP in the patent infringement lawsuit against Apple Inc. in the Northern District of California (Case No. 3:24-cv-09194-JD).
The following attorneys are listed as counsel for LS Cable & Systems Ltd.:
Erik J. Halverson
- Role: Lead Counsel
- Firm: K&L Gates LLP, San Francisco, California.
- Experience Note: Halverson is a lead member of LS Cable's trial team and was involved in the supplemental examination and ex parte reexamination proceedings for the '568 patent. His practice focuses on intellectual property law, including patent litigation. The K&L Gates San Francisco office has a strong Intellectual Property practice, representing Asia-based clients in patent cases across the United States.
Jason A. Engel
- Role: Lead Counsel (pro hac vice)
- Firm: K&L Gates LLP, Chicago, Illinois.
- Experience Note: Engel is also a lead member of LS Cable's trial team and participated in the supplemental examination and ex parte reexamination proceedings for the '568 patent.
Rebekah Hill
- Role: Counsel (pro hac vice)
- Firm: K&L Gates LLP, Chicago, Illinois.
Other K&L Gates attorneys with relevant experience who may be involved in supporting roles in patent litigation, particularly in wireless charging technology, include:
Jared R. Lund
- Role: Attorney
- Firm: K&L Gates LLP (office location not specified for this context, but K&L Gates has a strong presence in intellectual property across its US offices).
- Experience Note: Jared Lund is a USPTO-registered patent lawyer focusing on patent litigation and prosecution, with experience in wireless charging technology.
Nolan R. Hubbard
- Role: Attorney
- Firm: K&L Gates LLP (office location not specified).
- Experience Note: Nolan Hubbard is a USPTO-registered patent lawyer with an electrical engineering background. He has experience in patent procurement, portfolio management, counseling, and litigation, including post-grant proceedings before the PTAB, and advises on patent enforcement and defense across various technologies, including consumer electronics and wireless communication.
Clare Frederick
- Role: Attorney
- Firm: K&L Gates LLP (office location not specified).
- Experience Note: Clare Frederick is a USPTO-registered patent lawyer who provides IP counseling and portfolio management services, including global management of domestic and foreign patent portfolios, and has experience with appeals before the USPTO Patent Trial and Appeal Board and providing litigation support for wireless technologies.
Ryan P. Regan
- Role: Associate, Intellectual Property Litigation Practice Group
- Firm: K&L Gates LLP (office location not specified).
- Experience Note: Ryan Regan's practice encompasses patent litigation, representing clients on both plaintiff and defense sides in matters involving consumer electronics, touch-screen technologies, and wireless communication. He has experience with IP matters before US district courts and the US Patent and Trademark Office, including inter partes review proceedings.
K&L Gates has a robust Intellectual Property practice, with a deep roster of PTO-registered lawyers, engineers, and scientists. They represent multinational corporations and have a global presence with offices in Asia, Australia, Europe, the Middle East, and North America. The firm has a history of representing LS Cable & System in various legal matters, including significant manufacturing investments in the United States and other patent-related disputes.