Marble VOIP Partners LLC v. Zoom Video Communications, Inc.
Opinion
Trial Court Opinion
I. Background
Marble filed suit against Zoom in June 2022, accusing Zoom Phone and Zoom Meetings (the “Accused Products”) of infringement of United States Patent No. 7,376,129 (the “ ‘129 Patent”), entitled “Enabling Collaborative Applications Using Session Initiation Protocol (“SIP”) Based Voice over Internet Protocol Networks (“VoIP”).” The ‘129 Patent provides, inter alia, “a core framework for enabling applications to use [SIP]-based [VoIP],” in essence, moving SIP support from individual applications to the operating system, which would recognize and
1 Doc. 27-1. highlight “clickable” SIP links in different programs for the user. Marble is a limited liability company incorporated under Texas law with a principal place of business in Carrollton, Texas. Marble describes itself as a “non-practicing entity,” which is not registered to do business in Kansas and has no offices or employees in this District. Zoom is a Delaware corporation headquartered in San Jose, California, where it employs approximately 1,200 employees. Since
January 2023, Zoom has not had an office in Kansas; before it closed, Zoom’s office in this District focused on sales. After this Court denied…