Telecom, Network Communications, 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. He spent nearly 20 years researching, studying, and lecturing at UC Berkeley's College of Engineering, where he conducted research in data centers (RAD Labs), network communication service architecture (SAHARA), and wireless systems (ICEBERG). He served as an industry fellow and lecturer at the Sutardja Center for Entrepreneurship and Technology (SCET). Case Experience • Over 70 cases involving more than 140 patents • Over 80 depositions • Testimony in U.S. federal district courts, USPTO PTAB (IPR, CBM, PGR, ex parte reexamination, interference), ITC Section 337, Tax Court of Canada, and courts in Asia • Retained by over 50 law firms including Fish & Richardson, Kirkland & Ellis, Cooley, Gibson Dunn, Skadden, Finnegan, Ropes & Gray, Perkins Coie, Morgan Lewis, Winston & Strawn, Holland & Knight, Oblon, Baker Botts, Foley & Lardner, Greenberg Traurig, McGuireWoods, Durie Tangri, Simpson Thacher, Irell & Manella, and Keker Van Nest • Cases have involved Apple, Google, Microsoft, Amazon, Cisco Systems, Juniper Networks, Arista Networks, Ericsson, T-Mobile, Samsung, Huawei, Netflix, Facebook, Instagram, WhatsApp, LinkedIn, Avaya, Polycom, Motorola, LG, AT&T, Sprint, and others Technology Areas • Network Communications: TCP/IP, UDP, IP, Ethernet (IEEE 802.3), network protocols, data link/network/transport layers (L2/L3/L4), SNMP, packet switching, network architecture • Routing & Switching: BGP, OSPF, MPLS, LAN/WAN, VPN, QoS, Pseudowire, multicast, DNS • VoIP & Telephony: SIP, RTP, H.323, PSTN, SS7, SONET, TDM, circuit switching, WebRTC • Mobile & Wireless: Wi-Fi (IEEE 802.11), Bluetooth (IEEE 802.15), cellular (CDMA, GSM, UMTS, LTE), SMS, mobile devices • Internet & Web: HTTP/HTTPS, web applications, DNS, cloud computing, distributed systems, e-commerce • Network Security: Firewalls, VPN, IPSec, SSL/TLS, deep packet inspection, NAC, content filtering • Streaming Media: Video/audio conferencing, RTP/RTCP, content distribution, multimedia delivery • Network Management: NMS, SNMP, device management, OSS, alarm systems Credentials • Inventor of over 120 U.S. patents; over 60 prosecuted pro se before the USPTO • Over 25 peer-reviewed publications in IEEE and ACM venues • Principal Investigator on three U.S. Department of Defense (DARPA) projects • Directed networking computation project for U.S. Air Force Research Lab (AFRL) • IEEE Senior Member • Member, ACM and ACM SIGCOMM • Nortel Networks Principal Scientist (1996-2007): designed network communication software for enterprise routing and switching products • UC Berkeley SkyDeck: Principal Investigator for CRadar.Ai (radar signal processing); CTO for Aybell/VisuMenu (smartphone telecommunications) Education • Ph.D., Computer Science (Network Communications), UC Berkeley • M.Sc., Electrical Engineering, Tel Aviv University • B.Sc., Mathematics and Computer Science, Tel Aviv University Technology areas covered in patent litigation include: computer networks, data communications, networking protocols, IETF RFCs, IEEE communications standards (802.3, 802.11, 802.15), network architecture, packet switching, circuit switching, and communication systems. https://telecommnet.com