Technology Areas
Network Communications
LAN, WAN, VPN, Ethernet, network protocols, packet switching.
Routing and Switching
Routing protocols, MPLS, OSPF, QoS, priority queuing.
Internet and TCP/IP
TCP/IP, UDP, HTTP, VPN, SSH, SNMP, SIP, IPv4, IPv6.
Data Communications
Data transmission; IEEE and IETF RFC standards.
Voice over IP (VoIP)
SIP, RTP, VoIP devices and protocols, and traditional PSTN infrastructures.
Streaming Media and Video
Streaming media, video and audio conferencing, multimedia.
PSTN
PSTN, circuit switching, SS7, SONET, telecom architecture.
Network Management
NMS, device management, SNMPv2, SNMPv3, MIB, alarms, traps, reporting.
Network Security
Firewalls, VPN, SSL/TLS, IPsec, tunneling, content filtering, security gateways.
Mobile and Wireless
Wi-Fi 802.11, WLAN, mobile devices, smartphones.
Messaging and Chat
SMS, MMS, instant messaging, chat applications.
Computer Networks
Routers, switches, gateways: hardware and software, architecture and design.
Research and Engineering Experience
- UC Berkeley: nearly 20 years researching, studying, and lecturing. Research projects in data centers (RAD Labs), network communication service architecture (SAHARA), and wireless systems (ICEBERG). Industry Fellow and Lecturer in the IEOR Department and SCET.
- Nortel Networks (1996–2007): Principal Scientist, Principal Architect, and Principal Engineer. Led development of a network resource-scheduling service for Grid computing, demonstrated dynamic transatlantic allocation of 10Gbs Lambdas as a grid service, and developed a wire-speed active network on commercial hardware.
- DARPA: Principal Investigator for three projects, including one for the U.S. Air Force Research Lab.
- Patents and publications: inventor of over 120 issued and filed patents, more than 60 of them prosecuted pro se before the USPTO. Co-author of over 25 scientific publications and peer-reviewed papers (Google Scholar).
Litigation Experience
Retained in 90+ cases, with 100+ patents litigated and 60+ depositions. Dr. Lavian has filed declarations in more than 90 PTAB proceedings (IPR and CBM).
Testified in court cases before judges and juries in U.S. federal and state courts, the Canadian Federal Court, and a court in Malaysia. Declarations and testimony in USPTO Patent Trial and Appeal Board (PTAB) proceedings. Retained in International Trade Commission (ITC) Section 337 investigations and in domestic U.S. arbitration proceedings.
Frequently Asked Questions
Who is Dr. Tal Lavian?
Dr. Tal Lavian is a telecommunications technology expert with a Ph.D. from UC Berkeley, nearly 20 years at UC Berkeley, 120+ patents, and 90+ cases in patent litigation, including testimony in court cases before judges and juries.
How much experience does Dr. Lavian have?
Over 35 years in telecommunications and network communications: nearly 20 years researching, studying, and lecturing at UC Berkeley; Principal Scientist and Principal Architect at Nortel Networks (1996–2007); Principal Investigator for three DARPA projects; 90+ cases and 60+ depositions.
How many patents has Dr. Lavian invented?
120+ issued and filed patents. He prosecuted more than 60 of them pro se before the USPTO, including drafting claims, responding to office actions, and conducting examiner interviews.
What matters does Dr. Lavian work on?
Patent litigation involving telecommunications and network communications technology: U.S. federal district court, ITC Section 337 investigations, and PTAB IPR and CBM proceedings, as well as international proceedings in the Canadian Federal Court and a court in Malaysia.
Which law firms have retained Dr. Lavian?
Over 50 law firms and corporate clients, including Fish & Richardson, Kirkland & Ellis, Gibson Dunn, Cooley, and Finnegan. Cases have involved Apple, Google, Microsoft, Cisco, and others.


