Patent 11818591
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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PTAB activity (1)
AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.
- IPR2025-01204IPRfiled Jul 3, 2025vs. Samsung Electronics Co., Ltd. et al.Trial Instituted
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Cases on file (2)
Group view →Specific litigation cases in our database that name US patent 11818591. The free-form analysis below may also discuss cases beyond this list.
- XIFI NETWORKS R&D, INC. v. SAMSUNG ELECTRONICS CO., LTD. et al.filed Dec 17, 20242:24-cv-01057-JRGUnited States District Court for the Eastern District of Texas, Marshall Divisionongoing
Defendants: SAMSUNG ELECTRONICS CO., LTD. and SAMSUNG ELECTRONICS AMERICA, INC.
- IPR2025-01204Patent Trial and Appeal Board (PTAB)Pending - Instituted
Defendants: Xifi Networks R and D Inc.
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Here is a list of known litigation involving US patent 11818591:
1. District Court Litigation
- Plaintiff(s): XIFI NETWORKS R&D, INC.
- Defendant(s): SAMSUNG ELECTRONICS CO., LTD., SAMSUNG ELECTRONICS AMERICA, INC.
- Jurisdiction: United States District Court for the Eastern District of Texas, Marshall Division
- Case Number: 2:24-cv-01057-JRG
- Filing Date: December 17, 2024
- Outcome/Current Status: This case is ongoing. The plaintiff, XiFi Networks R&D, Inc., filed an action for patent infringement against Samsung, asserting claims from US patent 11818591 and other related patents. Defendants [Samsung Electronics Co., Ltd.](/litigations/by-plaintiff/Samsung%20Electronics%20Co.%2C%20Ltd.) and Samsung Electronics America, Inc. filed a motion to stay proceedings pending Inter Partes Review and Post-Grant Review, which was denied by the District Judge on March 12, 2026. XiFi Networks R&D, Inc. has filed its Disclosure of Asserted Claims and Infringement Contentions.
2. PTAB (Patent Trial and Appeal Board) Litigation
- Case Number: IPR2025-01204
- Parties: The patent document indicates "Petitioner: Unified Patents PTAB Data". The patent owner is Xifi Networks R and D Inc. (current assignee). The district court case, where Samsung is the defendant, also mentions that Samsung filed seven inter partes review (IPR) petitions on July 3, 2025, and an eighth IPR petition on July 10, 2025, challenging asserted patents, along with three post-grant review (PGR) petitions on July 21, 2025. This suggests Samsung Electronics Co., Ltd. and/or Samsung Electronics America, Inc. are likely the petitioners in IPR2025-01204.
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Filing Date: Not explicitly stated in search results, but the patent document mentions "IPR2025-01204 filed". The district court litigation mentions Samsung filed IPR petitions on July 3, 2025, and July 10, 2025.
- Outcome/Current Status: Pending - Instituted. (As per the patent document itself).
Generated 5/19/2026, 6:47:15 AM