Plaintiff
4 cases as plaintiff.
Company overview. IDEAHUB, Inc. is a private, South Korea-based patent licensing and monetization firm. It was founded in 2016 and is headquartered in Seoul (Seocho-gu), with a small U.S. office in Ashburn, Virginia. Public directory data (Salary.com) pegs the U.S. entity at roughly 11–20 employees and $1M–$5M in revenue; the company is not publicly traded. Its leadership team is drawn from LG Electronics' IP center, Intellectual Ventures, MPEG LA, Samsung, Nokia, and IBM.
Products / services / operations. Ideahub does not sell products; it operates as an intellectual-property "hub" that acquires and licenses patents sourced from companies, research institutes, and universities. Per its own materials and Via Licensing Alliance, it runs a dozen-plus licensing programs covering more than 5,000 patents and has licensed to 200+ licensees. Its portfolio concentrates on video coding and streaming — roughly 27–91 US patents (depending on source), primarily in H04N (video encoding/decoding), including patents acquired from Korea's Electronics and Telecommunications Research Institute (ETRI). Many are declared essential to standards such as HEVC, VVC (H.266), and AV1, and several are enrolled in the Access Advance and SISVEL patent pools.
Patent-litigation posture. Ideahub is a non-practicing entity / patent assertion entity — Unified Patents, which challenges its patents, explicitly characterizes it as an NPE. In the tracked database it appears only once, as respondent/defendant in Unified Patents, LLC v. Ideahub Inc. (USPTO, filed 2026-08-28), a defensive challenge rather than an Ideahub assertion. Unified has separately noted district-court assertion activity by Ideahub.
Notable cases / context. The tracked case is Unified's ex parte reexamination of US Patent 10,212,422, a video quantization-parameter patent designated essential to the VVC standard in Access Advance's pool; a related patent was asserted in Europe. Prior Unified challenges to Ideahub patents include a 2025 reexamination of US 10,904,539 (VVC/AV1) and a 2022 PGR of US 11,122,274, whose claims the PTAB held unpatentable in 2024; EPO proceedings also revoked Ideahub's ETRI-origin HEVC patent EP 3402195, with revocation upheld on appeal in 2025.
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Patent infringement suit asserting claim 5 of U.S. Patent No. 8,645,562, later narrowed per a February 18, 2021 letter. The case settled and was dismissed with prejudice on April 21, 2021.
Patent infringement suit asserting U.S. Patent No. 8,645,562. The docket shows a motion to stay pending IPRs in 2021, and the case was terminated on August 4, 2021; final disposition was not confirmed as a judgment.
Patent infringement suit asserting U.S. Patent No. 8,645,562 (claims 1, 2, 4, 5, 7, and 8). The case was stayed pending IPRs in or around 2021, and the '562 claims were invalidated in IPR2020-01338; final disposition was not confirmed.
Patent infringement suit in which U.S. Patent No. 8,645,562 was listed among the asserted patents. Docket databases show the case closed/terminated, but the specific final outcome was not confirmed.