Estech Systems IP, LLC v. Freshworks Inc.

District Court, N.D. California·Decided March 17, 2025·No. 5:24-cv-02525·Unknown

Opinion

ESTECH SYSTEMS IP, LLC, Case No. 24-cv-02525-EJD

Plaintiff, ORDER GRANTING MOTION TO DISMISS v.

FRESHWORKS INC., Re: ECF No. 23 Defendant.

In this patent infringement case, Plaintiff Estech Systems IP, LLC accuses Defendant Freshworks Inc. of infringing two patents: U.S. Patent Nos. 8,391,298 (the “’298 Patent”) and 7,123,699 (the “’699 Patent”) (together, the “Asserted Patents”). The Asserted Patents are directed to systems and methods for providing communications systems, including voice over IP (“VoIP”) telephony. Freshworks moves to dismiss the complaint for failure to state a claim under Rule 12(b)(6). ECF No. 23. After carefully reviewing the documents, the Court found this matter suitable for decision without oral argument pursuant to Civil Local Rule 7-1(b). For the reasons stated below, the Court GRANTS Freshwork’s Motion. Estech, a Texas Corporation, is an affiliate of Estech Systems, Inc. (“ESI”). Compl. ¶ 8. ESI is a US-based provider of end-to-end business phone solutions. Id. ESI offers “a full solutions portfolio of modern business phone systems, including Cloud, Hybrid, Pure IP, and SIP dial tone products.” Id. ¶ 11. ESI’s products include “the most integrated cloud PBX in the market—the award-winning ESI Cloud PBX; Voice over IP (VoIP) products and systems; and on- premises products.” Id. ¶ 12. VoIP transmits and receives voice communications over data networks, such as the internet or private networks, using the internet protocol. Id. ¶ 13. The ’298 Patent is titled “Phone Director in a Voice Over IP Telephone System” and relates to a system that allows a user on one local area network (“LAN”) to view a list of phone extensions associated with another LAN. Estech alleges Freshworks directly infringes “at least claim 13” of the ’298 Patent. Compl. ¶ 36. Claim 13 recites the following: 13. A telecommunications system comprising: a first IP telephone coupled to a first IP server within a first LAN; second and third telephone extensions coupled to a second IP server within a second LAN; a WAN coupling the first LAN to the second LAN, the first LAN, the second LAN, and the WAN communicating using an IP protocol; a third LAN coupled to the first and second LANs via the WAN; means for displaying on the first IP telephone a list of telephone destinations stored in the second IP server in response to selection of a first input on the first IP telephone, wherein the list of telephone destinations is communicated from the second IP server over the WAN to the first IP telephone; means for automatically dialing the selected one of the telephone destinations for a communications link between the first IP telephone and the selected one of the telephone destinations in response to selection of one of the telephone destinations from the displayed list, wherein the selection of one of the telephone destinations from the displayed list is performed in response to selection of a second input on the first IP telephone by a user; means for displaying on the first IP telephone a list of LANs coupled to the WAN, including the second and third LANs; and means for displaying the first list in response to selection of the second LAN from the displayed list of LANs. The ’699 Patent is titled “Voice Mail in a Voice Over IP Telephone System” and relates generally to a method of remotely accessing voicemail by streaming the message from one LAN to another. Estech alleges Freshworks directly infringes “at least Claim 1” of the ’699 Patent. Compl. ¶ 56. Claim 1 recites the following: 1. In a telecommunications system, a method comprising the steps of: storing a voice mail message in a voice mail box in a voice mail system within a first LAN; coupling a second LAN to the first LAN over a WAN, wherein the first LAN, the second LAN, and the WAN operate under a routable network protocol; providing a sensory indication on a telecommunications device within the second LAN that the voice message is stored in the voice mail box within the first LAN; and the telecommunications device accessing the voice mail system within the first LAN to listen to the voice message stored in the voice mail box, wherein the step of the telecommunications device accessing the voice mail system within the first LAN to listen to the voice message stored in the voice mail box further comprises the steps of: establishing a channel between the first and second LANs over the WAN; coupling an audio path over the channel between the telecommunications device and the voice mail box; and streaming voice data containing the voice message from the voice mail box to the telecommunications device over the audio path, wherein the establishing step further comprises the steps of: in response to an input at the telecommunications device, sending a user mail box connection message from the second LAN to the first LAN requesting a channel, wherein the user mail box connection message includes an extension associated with the telecommunications device and an identification of the voice mail box; assigning the channel by the first LAN; and sending a connection established message from the first LAN to the second LAN. Estech filed this case on April 26, 20241, alleging Freshworks’ software telephony products, servers, and services infringe the Asserted Patents. Compl. ¶ 21. In particular, Estech alleges the following list of Freshworks (1) communication equipment and services, and (2) system-design services constitute the “Accused Instrumentalities” in this case: Freshworks software telephony products (e.g., Freshcaller mobile app, Freshcaller desktop app, Freshdesk Android app, Freshdesk iPhone app, Freshdesk iPad app, Freshdesk desktop app, Freshworks Customer Service Suite), Freshworks VoIP telephony servers and services (e.g., Freshcaller, Freshcaller Cloud PBX, Freshdesk, Freshworks Neo Platform, Freshcaller voicemail system), and products and services that incorporate the same or similar technology, that employ VoIP to perform various functions including, but not limited to, voice calling, voicemail, directory services, and others using multiple components including, but not limited to, for example, hubs, switches, routers, session border controllers, servers and the like, and the software for operating such components (“Freshworks Products and Services”). Compl. ¶ 21; see also id. ¶ 24 (“When this Complaint references ‘Accused Instrumentalities,’ it is referring to the telecommunications and information handling systems Freshworks offers to sell, sells, and makes for its customers as well as the systems its employees use that are referenced in

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Estech Systems IP, LLC v. Freshworks Inc., (N.D. Cal. 2025).

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