Network Communications Consultant Tal Lavian

Telecommunications and network communications expert witness. Ph.D. in Computer Science, UC Berkeley, specializing in network communications. Retained as an expert in over 90 cases. Inventor of 120+ patents and patent applications. Technology areas include Internet protocols (TCP/IP), VoIP, Wi-Fi 802.11, routing and switching, and network security. Dr. Lavian has spent nearly 20 years researching, studying, and lecturing at UC Berkeley. Over 35 years as a scientist, educator, and technologist.

Areas of Expertise:

Telecommunications - Computer Networks - Network Communications - Internet Protocols (TCP/IP) - VoIP - Streaming Media - Mobile Wireless: Wi-Fi 802.11, Bluetooth (IEEE 802.15), broadband, routing and switching (MPLS, BGP, OSPF), network security, and network management (SNMP) expert witness.

• Computer Networks: Network Communications, Network Architecture, Communications systems, Telecom
• Internet Protocols: TCP/IP suite, TCP, UDP, IP, packet switching, data link/network/transport layers (L2/L3/L4)
• Routing/Switching: LAN, WAN, VPN, VLAN, LAG, ARP, DHCP, Pseudowire, DNS, quality of service (QoS), tunneling, traffic engineering, carrier interconnection
• Network Protocols: IPv4, IPv6, RIP, BGP, MPLS, OSPF, multicast, Ethernet (IEEE 802.3), SONET/SDH, DOCSIS
• Internet/Cloud: Cloud Computing, distributed computing, distributed systems, network virtualization (SDN/NFV), IoT
• Web: HTTP/HTTPS, web applications, mobile apps, e-commerce
• Mobile Wireless: Wi-Fi 802.11, Bluetooth (IEEE 802.15), Wireless LAN (WLAN), mobile devices, smartphones
• VoIP/Streaming Media: SIP, RTP, IP telephony, hosted VoIP, cloud telephony, unified communications, PSTN, circuit switching, SS7, SMS, video/audio conferencing.
• Network Security: Firewalls, VPN, IPSec, SSL/TLS, deep packet inspection (DPI), L4-7 switching, NAC, content filtering, security gateways
• Network Management: NMS, SNMP (SNMPv2, SNMPv3), device management, OSS, alarm systems
• Communication Standards: IEEE, IETF, ITU

While at UC Berkeley, Dr. Lavian conducted research projects in data centers (RAD Labs), network communication service architecture (SAHARA), and wireless systems (ICEBERG); he also served as an industry fellow and lecturer at the Sutardja Center for Entrepreneurship and Technology (SCET) and as a scientific liaison between Nortel Research Lab and UC Berkeley. Dr. Lavian was also part of UC Berkeley's SkyDeck start-ups, where he worked on technology research and implementation.

Case Experience:

Served as an expert on over 100 patents litigated. Testified in a U.S. federal court, U.S. state courts, an ITC Section 337 investigation, the Canadian Federal Court, and a court in Malaysia. Declarations in more than 90 USPTO PTAB proceedings (IPR and CBM), and deposition testimony in PTAB proceedings.

Cases have involved: Apple, Google, Facebook (Meta), Microsoft, Amazon, Cisco, Juniper Networks, Arista Networks, Ericsson, T-Mobile, Huawei, Palo Alto Networks, Fortinet, Motorola, Polycom, WhatsApp, Instagram, Delta Air Lines, Broadcom, SAP, and others.

Retained by over 50 law firms and corporate clients, including Fish & Richardson, Winston & Strawn, Cooley, Finnegan, Gibson Dunn, Ropes & Gray, Baker Botts, Irell & Manella, Kirkland & Ellis, Morgan Lewis, Holland & Knight, Skadden, Keker Van Nest, and Perkins Coie.

Credentials:

• Inventor of over 120 patents and patent applications
• Over 60 prosecuted pro se at the USPTO
• Over 25 scientific publications
• Nortel Networks (1996 to 2007): Principal Scientist, Principal Architect, Principal Engineer, and Senior Software Engineer
• IEEE Senior Member
• Principal Investigator on three DARPA projects

Education:

• Ph.D. in Computer Science, University of California, Berkeley, specializing in network communications
• M.Sc. in Electrical Engineering, Tel Aviv University
• B.Sc. in Mathematics and Computer Science, Tel Aviv University

Professional Affiliations:

• IEEE Senior Member
• Member, IEEE Computer Society
• Member, ACM Special Interest Group on Data Communication (SIGCOMM)
• Member, ACM Special Interest Group on Hypertext, Hypermedia and Web (SIGWEB)
• Member, IEEE Consultants’ Network (CNSV)
• Technical Co-Chair, IEEE Hot Interconnects at Stanford University

Keywords/ Search Terms:

Network Communications, Telecommunications, Computer Communications, Networking, TCP/IP Internet Protocols, Network security, Firewalls, Media Streaming, Voice Over IP (VoIP), Instant Messaging & Chat, Wi-Fi 802.11, Mobile Wireless, Patent, Routing/Switching, Data Communications, Web, Computer networks, Broadband, Network Management.

About Dr. Lavian

Dr. Lavian's Website

Dr. Lavian's Expertise