Defendant
1 case as defendant.
Lumentum Operations LLC is a U.S. operating subsidiary of Lumentum Holdings Inc. (NASDAQ: LITE), an optical and photonics manufacturer headquartered in San Jose, California. Lumentum Holdings was incorporated in Delaware on February 10, 2015 as a JDSU subsidiary and spun off as an independent public company on August 1, 2015; the remaining JDSU entity was renamed Viavi Solutions Inc. Per its FY2025 Form 10-K, the company employed approximately 10,562 people worldwide and reported revenue of about $1.65 billion for the fiscal year ended June 28, 2025.
Products / operations. Lumentum develops and manufactures optical and photonic chips, components, modules, subsystems, and lasers. Historically organized into two segments — Cloud & Networking (optical chips, components, modules and subsystems for cloud data center, AI/ML, DCI and telecom/submarine networks, including wavelength-selective switches (WSS), ROADMs, coherent DWDM pluggable transceivers, EMLs and VCSELs) and Industrial Tech (short-pulse solid-state lasers, kilowatt-class fiber lasers, diode lasers and gas lasers for semiconductor fabrication, EV/battery production, cutting, welding and 3D sensing). In fiscal 2026 it reorganized into a single reporting segment. Relevant acquisitions include NeoPhotonics (2022), IPG Photonics' telecom transmission product lines (2022), and Cloud Light Technology (2023).
Patent-litigation posture. Lumentum is an operating company, not an NPE. The tracked data show 1 case as defendant and 0 as plaintiff — consistent with a product manufacturer targeted by a patent-holding plaintiff. Its sole tracked matter, Fiber, LLC v. Viavi Solutions, Inc. (f/k/a JDS Uniphase Corp.) et al. (D. Colo., 1:15-cv-01743), was consolidated in the District of Colorado, not a plaintiff-friendly venue such as the Eastern District of Texas.
Case context. Plaintiff Fiber, LLC is a Wyoming LLC described in filings as successor to AFN LLC/Astarte Fiber Networks; it asserted two legacy optical-switching patents (U.S. 6,430,332 and 7,095,917) it holds as exclusive assignee — a patent-monetization model. Lumentum's predecessor JDSU filed IPRs against both patents in 2013. The district court entered final judgment of invalidity and non-infringement in 2018, and the Federal Circuit affirmed in 2019 (Fiber, LLC v. Ciena Corp., No. 19-1005).
Consolidated into No. 13-cv-00840 and disposed of by the same Sept. 13, 2018 final judgment of invalidity and non-infringement involving the '332 and '917 patents.