Tal Lavian, Ph.D. Expert Witness
Curriculum Vitae


Contact this Expert Witness

  • Company: TelecommNet
  • Phone: (408) 209-9112
  • Cell: (408) 209-9112
  • Website: TelecommNet.com

Specialties & Experience of this Expert Witness

General Specialties:

Telecommunications and Internet

Keywords/Search Terms:

Network Communications, telecommunications, TCP/IP Internet Protocols, Web, Network security, Firewalls, Media Streaming, Voice Over IP (VoIP), Instant Messaging, Chat, SMS, 802.11, Mobile Wireless, Patent, Routing/Switching, Data Communications, computer communications, Computer networks, broadbad


Ph.D., Computer Science , UC Berkeley; M.Sc, Electrical Engineering, Tel Aviv University; B.Sc, Computer Science, Tel Aviv University

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Dr. Lavian is an expert in telecommunications, network communications, and internet technologies, with over 35 years of experience in the industry. He holds a Ph.D. in computer science from the University of California, Berkeley, where he specialized in networking and communications. Throughout his career, Dr. Lavian has co-authored numerous scientific publications, journal articles, and peer-reviewed papers, solidifying his reputation as a leading researcher in the field. In addition to his expertise, Dr. Lavian has also held academic positions at UC Berkeley, including serving as an industry fellow and lecturer in the Industrial Engineering and Operation Research (IEOR) Department and the Sutardja Center for Entrepreneurship and Technology (SCET). At UC Berkeley, Dr. Lavian has been involved with the university's start-up accelerator, SkyDeck, serving as the principal investigator for the RF signal start-up company, CRadar.Ai, and as the CTO for smartphone wireless telecommunicators service integrator, Aybell (previously known as VisuMenu). His work at UC Berkeley has allowed him to stay at the forefront of research and development in the field of network communications, and his contributions have had a significant impact on the industry. Dr. Lavian has extensive experience working with law firms as an expert witness in patent-related cases. He has been retained by several prominent firms, including Fish Richardson, Cooley, Oblon, Irell & Manella, McKool Smith, Keker Van Nest, Finnegan, Holland & Knight, Perkins Coie, Kirkland & Ellis, Desmarais, Morgan Lewis, Kenyon & Kenyon, Durie Tangri, Greenberg Traurig, Ropes & Gray, McGuireWoods, Paper Hamilton, Skadden, Winston & Strawn, Gibson Dunn, Simpson Thacher, and Foley & Lardner. Dr. Lavian has testified in various courts, including the United States District Court, the USPTO, the ITC, and other courts in the United States and Canada. He has also provided expert testimony in USPTO PTAB proceedings, including IPRs, CBM reviews, PGRs, Ex-Parte Re-Examinations, and PTO Interferences. His technical knowledge and expertise make him a valuable resource for these law firms in patent litigation proceedings.As a highly sought-after expert witness, Dr. Lavian has testified in numerous patent-related cases, including in Federal courts, the USPTO PTAB, and the ITC. He has supported leading companies such as Amazon, T-Mobile, LinkedIn, Avaya, AT&T, Ericsson, Sprint, Cisco Systems, Juniper Networks, Arista Networks, Polycom, Motorola, LG, WhatsApp, Instagram, Microsoft, Google, Huawei, Facebook, and Apple in litigation cases involving over 140 patents. Dr. Lavian is skilled at translating complex technical concepts into plain-English commonsense, making him a valuable resource for legal professionals and laypeople alike. His expertise in network communications, telecommunications, and internet technologies is unparalleled, and his contributions Expert in: Network communications, telecommunications, Internet protocols, and mobile wireless: • Communication networks: Internet protocols; TCP/IP suite, TCP, UDP, IP, Ethernet, 802.3, network protocols, network software applications, data link, network, and transport layers (L2, L3, L4), SNMP, network management, packet switching, network architecture • Mobile wireless: Wi-Fi, 802.11, Bluetooth, Wireless LAN (WLAN), MAC, PHY, Cellular systems, SMS, instant messaging (chat), mobile devices, smartphone • Internet/cloud: Internet Technologies, Web applications, HTTP, e-mail, SMTP, POP, IMAP, FTP, client-server, cloud computing, distributed computing • Routing/switching: LAN, WAN, VPN, routing protocols, RIP, BGP, MPLS, OSPF, multicast, DNS, QoS, queuing, network infrastructure, and architectures • VoIP/Streaming Media: VoIP, SIP, RTP, video/audio conferencing, streaming media, IP telephony, PSTN, circuit switching, WebRTC, SS7 https://telecommnet.com