Telecommunications Expert Witness Tal Lavian

Dr. Tal Lavian holds a Ph.D. in Computer Science from UC Berkeley, specializing in network communications. He has over 35 years of experience in telecommunications, network communications, and Internet technologies. 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).

Areas of Expertise:

Network Communications - Telecommunications - Internet Protocols (TCP/IP) - VoIP - Streaming Media - Mobile Wireless:

• Network Communications: TCP/IP suite, TCP, UDP, IP, Ethernet (IEEE 802.3), SNMP, packet switching, network architecture



• Mobile Wireless: Wi-Fi (IEEE 802.11), Bluetooth, cellular systems, SMS, mobile devices



• Internet/Cloud: HTTP, web applications, cloud computing, distributed computing



• Routing/Switching: LAN, WAN, VPN, BGP, MPLS, OSPF, multicast, DNS, QoS



• VoIP/Streaming Media: SIP, RTP, H.323, PSTN, circuit switching, SS7, WebRTC, video/audio conferencing



• Network Security: Firewalls, VPN, IPSec, SSL/TLS, deep packet inspection, NAC



• Network Management: NMS, SNMP, device management, OSS, alarm systems

Case Experience:

Dr. Lavian has served as an expert in over 70 patent cases involving more than 140 patents. He has provided reports and testimony in U.S. federal district courts, the USPTO PTAB (IPR, CBM, PGR, ex parte reexamination, interference), the ITC, and international courts. Cases have involved Apple, Google, Microsoft, Amazon, Cisco, Juniper Networks, Ericsson, T-Mobile, Samsung, Huawei, Netflix, Facebook, and others. Retained by over 50 law firms.

Credentials:

• Inventor of over 120 U.S. patents; over 60 prosecuted pro se



• Over 25 peer-reviewed publications in IEEE and ACM venues



• Principal Investigator on three DARPA projects



• IEEE Senior Member



• Nortel Networks Principal Scientist (1996-2007)

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