Dr. Lavian has spent 20 years researching, studying, and lecturing at UC Berkeley’s College of Engineering. His research focuses on telecommunications systems, data networks, network services, software, network protocols, and communications frameworks. He holds a Ph.D. in Computer Science from UC Berkeley, specializing in network communications.

• Dr. Lavian is an expert in network communications, mobile wireless, internet technologies, and telecommunications, with over 35 years of experience in the field.  D. Lavian co-authored over 25 scientific publications, journal articles, and peer-reviewed papers.

EXPERTISE Network communications, telecommunications, Internet protocols, Computer Networks, Voice & Data Communications, and mobile wireless:

• Communication networks: Internet protocols; TCP/IP suite; TCP; UDP; IP; Ethernet; network protocols; network software applications; data link, network, and transport layers (L2, L3, L4), data center network architecture.
• Internet software: Internet software applications; distributed computing; cloud computing; Web applications; FTP; HTTP; Java; client-server; file transfer.
• Routing/switching: LAN; WAN; VPN; routing protocols; RIP; BGP; MPLS; OSPF; IS-IS; multicast, DNS; QoS; switching; packet switching; network infrastructure; network communication architectures.
• Mobile wireless: wireless LAN; 802.11; cellular systems; mobile devices; smartphone technologies.
• Unified Communications: PSTN, circuit switching, IP telephony, VoIP, SIP, SS7, video and audio conferencing, streaming media, e-mail, instant messaging (chat).

EXPERT SERVICES As an expert witness, Dr. Lavian offers his opinion and litigation support services in patent-related cases, specifically in network communications, telecommunications, mobile wireless, and Internet software technologies.

• He has extensive experience rendering reports and testifying in Federal, IPR, and ITC cases. He has appeared before the USPTO PTAB IPR and ITC in over 140 patent-related cases.
• Dr. Lavian is skilled at helping the layperson understand complex and sophisticated technologies.
• Past cases have involved leading companies such as Google, Microsoft, Amazon, LinkedIn, Avaya, T-Mobile, AT&T, Ericsson, Sprint, Cisco Systems, Juniper Networks, Polycom, Motorola, LG, WhatsApp, Instagram, Huawei, Facebook, and Apple.

HANDS-ON and ACADEMIC EXPERIENCE: Dr. Lavian brings both hands-on and academic experience to his work in network protocol software development, network design, architecture, configuration, and testing.

• As a technology expert, Dr. Lavian is often called upon to provide valuable insight on design, implementation, industry standards, and other technological aspects for well-known companies.
• Served as an industry fellow and lecturer with U.C. Berkeley’s Industrial Engineering and Operation Research (IEOR) Department and with U.C. Berkeley Engineering’s Sutardja Center for Entrepreneurship and Technology (SCET).
• Served as a part of U.C. Berkeley’s start-up accelerator, SkyDeck, as principal investigator of the RF signal start-up company CRadar.Ai and smartphone wireless telecommunicators service integrator Aybell, previously known as VisuMenu.
• Led teams in developing cutting-edge technology for smartphones, wireless mobile devices, and other network communications aspects.
• Provided research, development, and engineering services to start-ups and small businesses, specializing in developing novel ideas for patents and products and providing system architecture and technology analysis. Dr. Lavian Resume CV.
• Telecommunications Expert Witness Services