Plaintiff
2 cases as plaintiff.
Vonage Holdings Corp. ("Vonage") is a U.S. cloud-communications provider headquartered in Holmdel, New Jersey. It was founded in 1998 as Min-X, renamed Vonage in 2001, and went public in 2006 (Nasdaq/NYSE: VG). Swedish telecom equipment maker Ericsson acquired it for $6.2 billion in cash, closing July 21, 2022 (Reuters; Ericsson press release). Vonage is now a wholly owned Ericsson subsidiary, retaining its name and reported within Ericsson's Global Communications Platform business area; CEO is Niklas Heuveldop. Public sources put headcount at roughly 2,200 at acquisition and FY2021 revenue near $1.4 billion (Wikipedia citing the 2021 Form 10-K). Ericsson has since recorded large impairments on the unit.
Products / operations. Vonage is an operating company, not an NPE. Its original business was residential VoIP home phone service; a 2013–2020 acquisition run (Vocalocity, Telesphere, iCore, SimpleSignal, Nexmo, TokBox, NewVoiceMedia, Over.ai) shifted it to business cloud communications. The Vonage Communications Platform — about 80% of revenue at acquisition — bundles UCaaS, CCaaS and CPaaS communications APIs for voice, messaging, video and verification, serving 120,000+ business customers and over one million registered developers.
Litigation posture. The structured data shows two tracked cases, both as plaintiff, none as defendant, both from 2007. These are defensive/protective filings rather than a licensing campaign: Vonage Holdings Corp. v. Nortel Networks Inc. et al. (D. Del., filed Aug. 17, 2007) was a 28 U.S.C. §2201 declaratory-judgment action seeking to invalidate three Nortel VoIP patents; the Nortel dispute settled in December 2007 via cross-licenses (Bloomberg/Justia). Vonage Holdings Corp. v. SBC Internet Services, Inc. et al. (N.D. Tex., Fort Worth Division, No. 4:04-cv-548) asserted three patents — including U.S. 4,782,485 — that Vonage obtained with its June 2006 acquisition of Digital Packet Licensing, against SBC, Sprint, Central Telephone of Texas and Verizon Long Distance. Vonage was also a frequent defendant in that era's VoIP patent suits (Verizon, Sprint, AT&T), though those do not appear in the tracked list.
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Vonage filed a declaratory-judgment action against Nortel seeking a declaration that U.S. Patent Nos. 6,091,808, 6,445,695, and 7,050,861 are invalid, void, and/or unenforceable. Nortel counterclaimed alleging Vonage induced infringement of the '808 patent. The parties settled and agreed to dismiss all claims and counterclaims without prejudice in 2008.
Related Texas action originally filed by Digital Packet Licensing, Inc. and later captioned Vonage Holdings Corp. v. SBC Internet Services, Inc., et al. The court denied Nortel's October 30, 2007 motion to add counter-counterclaims asserting the Nortel-asserted patents 6,091,808, 6,445,695, and 7,050,861, while granting leave as to the '707 patent. It was dismissed without prejudice under the March 10, 2008 Nortel–Vonage settlement.