Telecom, Computer Networks, Internet, Web, Patents

Specialties & Experience of this Expert Witness

Additional Information

Dr. Tal Lavian holds a Ph.D. in Computer Science from UC Berkeley, specializing in network communications. 35+ years as a scientist, educator, and technologist; 20 years researching, studying, and lecturing at UC Berkeley; Industry Fellow and Lecturer at UC Berkeley's College of Engineering. 90+ cases · 60+ depositions · 8+ trial testimonies · 100+ patents supported in IP litigation · 120+ patents as inventor · 60+ pro-se prosecuted · 25+ peer-reviewed publications. Areas of Expertise: Telecommunications - Computer Networks - Network Communications - Internet Protocols (TCP/IP) - VoIP - Streaming Media - Mobile Wireless: Wi-Fi (IEEE 802.11), Bluetooth (IEEE 802.15), cellular, broadband, routing and switching (MPLS, BGP, OSPF), network security, streaming media, 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) * Network Protocols: IPv4, IPv6, RIP, BGP, MPLS, OSPF, multicast, Ethernet (IEEE 802.3) * Internet/Cloud: Cloud Computing, distributed computing, distributed systems * Web: HTTP/HTTPS, web applications, mobile apps, e-commerce * Mobile Wireless: Wi-Fi (IEEE 802.11), Bluetooth (IEEE 802.11), Wireless LAN (WLAN), cellular systems, mobile devices * VoIP/Streaming Media: SIP, RTP/RTCP, H.323, PSTN, circuit switching, SS7, WebRTC, SMS, video/audio conferencing. * Network Security: Firewalls, VPN, IPSec, SSL/TLS, deep packet inspection (DPI), L4-7 switching, NAC, content filtering * Network Management: NMS, SNMP, device management, OSS, alarm systems * Communication Standards: IEEE, IETF, ITU, ISO 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: Dr. Lavian has served as an expert in over 90 patent cases involving more than 100 patents. He has provided reports and testimony in U.S. federal district courts, state courts, the USPTO PTAB (IPR, CBM, PGR, ex parte reexamination, interference), the ITC, and international courts (For Apple). Cases have involved: Apple, Google, Facebook (Meta), Microsoft, Amazon, Tesla, Cisco, Juniper Networks, Arista Networks, Ericsson, T-Mobile, Samsung, LinkedIn, Huawei, Netflix, Broadcom, SAP, and others. Retained by leading IP and patent litigation firms, 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, Perkins Coie. Credentials: * Inventor of over 120 U.S. patents; over 60 prosecuted pro se * 20 years UC Berkeley - 10+ years Nortel Research * Over 25 peer-reviewed publications in IEEE and ACM * Nortel Networks Principal Scientist * IEEE Senior Member * Principal Investigator on three DARPA projects https://telecommnet.com https://telecommnet.com/about-dr-lavian/ https://telecommnet.com/patents/ https://telecommnet.com/communications-expert-witness/ https://telecommnet.com/communications-expert-witness/network-communications-expert-witness/