Dr. Dr. Tal Lavian, Ph.D.
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
Keywords/ Search Terms:
Network Communications, telecommunications, TCP/IP Internet Protocols, Web, Network security, Firewalls, Media Streaming, Voice Over IP (VoIP), Instant Messaging, messaging & Chat, Protocols, 802.11, Mobile Wireless, Patent, Routing/Switching, Data Communications, computer communications, Computer networks, Broadband, Network Management.
* 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/
- Broadband
- Communications
- Computer Security
- Computers
- Data Communications
- Information Technology
- Infotainment & Telematics Systems
- Intellectual Property
- Internet
- Multimedia
- Networking
- Patents
- Telecommunications
- User Interface
- Video
- Virtual Reality
- Wireless Technology
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: Ph.D. in Computer Science from the University of California, Berkeley — specialization in network communications. M.Sc. in Electrical Engineering from Tel Aviv University. B.Sc. in Mathematics and Computer Science. 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; Technical Co-Chair of IEEE Hot Interconnects at Stanford University.
- Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: • IEEE Senior Member
• Member, IEEE Communications Society (COMMSOC)
• Member, IEEE Computer Society
• Member, IEEE Systems, Man, and Cybernetics Society
• Member, ACM, ACM Special Interest Group on Data Communication (SIGCOM)
• Member, ACM Special Interest Group on Hypertext, Hypermedia and Web (SIGWEB)
• Member, IEEE Consultants’ Network (CNSV)
• Global Member, Internet Society (ISOC)
• President Java Users Group – Silicon Valley Mountain View, CA,1999-2000
• Technical Co-Chair, IEEE Hot Interconnects 2005 at Stanford University
• Toastmasters International
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: 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.
- Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: On how many occasions have you been retained as an expert?
- A: 90+
- Q: For what area(s) of expertise have you been retained as an expert?
- A: 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 - Q: On how many occasions have you had your deposition taken?
- A: 60+
- Q: When was the last time you had your deposition taken?
- A: 2025
- Q: On how many occasions have you testified as an expert in court or before an arbitrator?
- A: 8+
- Q: For how many years have you worked with the legal industry as an expert?
- A: 18+
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Expert reports, deposition testimony, trial testimony, and technical consulting in patent litigation and commercial disputes involving telecommunications, network communications, Internet protocols, VoIP, mobile wireless, routing and switching, network security, streaming media, and network management technologies.
Specific services: invalidity analysis (claim charts, prior art investigation, expert reports, declarations); non-infringement analysis (claim charts, source code review, expert reports); infringement analysis; claim construction (technical tutorials, declarations, Markman briefing); PTAB declarations (IPR, CBM, PGR, ex parte reexamination, PTO interferences); ITC Section 337 expert reports and testimony; trial testimony before judges and juries; deposition testimony; standard essential patents (SEP) analysis for 3GPP cellular and IEEE wireless standards; commercial telecom forensics (telephony CDRs, email header analysis, cellphone tower data, IP geolocation analysis); technical consulting from pre-filing through trial. - Q: What is your hourly rate to consult with an attorney?
- A: Same rate for all services. Please contact directly
- Q: What is your hourly rate to review documents?
- A: Same rate for all services. Please contact directly
- Q: What is your hourly rate to provide deposition testimony?
- A: Same rate for all services. Please contact directly
- Q: What is your hourly rate to provide testimony at trial?
- A: Same rate for all services. Please contact directly
- Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
- A: Same rate for all services. Please contact directly
References will be furnished upon request