Tal Lavian, Ph.D.
Mobile: 408.209.9112
CNSV Member
IEEE Member

Expert Witness in Telecommunications, Network Communications, Mobile Wireless, Cellular, Internet Protocols, TCP/IP, TCP; UDP; IP; Ethernet; VoIP, SIP, WAN, LAN, VPN, text & Instant messaging (chat)

1640 Mariani Dr.
Sunnyvale, CA 94087

  • Scientist, inventor, and educator in the areas of data communications, networking, telecommunications, and Internet technologies.
  • 30 years of experience.
  • Industry fellow and lecturer at UC Berkeley Engineering.

A scientist, technologist, and educator, Dr. Tal Lavian has 30 years of experience in computer science and network communications. As a consultant, he provides his expertise in the areas of telecommunications and networking technologies, focusing on TCP/IP and Internet protocols. He is also a Berkeley CET industry fellow and lecturer at the UC Berkeley College of Engineering.

Utilize academic and industry experience to simplify technical ideas and terminology for a non-technical audience. I have published over 25 scientific papers and have been designated as an inventor on more than 120 patents.

Served as an expert witness in over 60 patent-related cases. Wrote expert reports and testified in depositions, courts and in front of a jury. Testified in Federal courts, in USPTO PTAB IPR, and in the ITC. The cases involved leading companies including Google, Facebook, Cisco Systems, Juniper Networks, Microsoft, LinkedIn, Motorola,  HP, T-Mobile, Ericsson, LG, Samsung, and Apple.

For eleven years, Dr. Lavian worked at Nortel Research Labs, where he created and chaired Nortel Networks’ EDN Patent Committee. As principal investigator, he led three US Department of Defense (DARPA) projects.

Network communications, telecommunications, Internet protocols, and mobile wireless:
• Communication networks: Internet protocols; TCP/IP suite; TCP; UDP; IP; Ethernet; network protocols; network software applications; data link, network, and transport layers (L2, L3, L4), data center network architecture
• Internet software: Internet software applications; distributed computing; cloud computing; Web applications; FTP; HTTP; Java; client-server; file transfer
• Routing/switching: LAN; WAN; VPN; routing protocols; RIP; BGP; MPLS; OSPF; IS-IS; multicast, DNS; QoS; switching; packet switching; network infrastructure; network communication architectures
• Mobile wireless: wireless LAN; 802.11; cellular systems; mobile devices; smartphone technologies
• Unified Communications: PSTN, circuit switching, IP telephony, VoIP, SIP, SS7, video and audio conferencing, streaming media, e-mail, instant messaging (chat)