TelecommNet provides analysis and design services for projects involving network communications, telecommunications, Internet protocols, mobile wireless, and internet web technologies. He also develops ideas into patents and products and is an expert witness in patent lawsuits, including infringement and invalidity. As well as offers litigation support as well as technology education in patent disputes. AREAS OF EXPERTISE Communication networks: Internet protocols; TCP/IP suite, TCP, UDP, IP, Ethernet, 802.3, network protocols, network software applications, data link, network, and transport layers (L2, L3, L4), and data center network architecture. Mobile wireless: Wi-Fi, 802.11 (a/b/g/n/ac), MAC, FHY, OFDM, DSSS, Wireless LAN (WLAN). Cellular systems, GSM, LTE, CDMA, FDMA, TDMA, mobile devices, and smartphones. Internet/cloud: Web applications, HTTP, e-mail, SMTP, POP, IMAP, Java, C/C++, file transfer FTP, client-server, cloud computing, distributed computing. Routing/switching: LAN, WAN, VPN, routing protocols, RIP, BGP, MPLS, OSPF, multicast, DNS, QoS, switching, packet switching, network infrastructure, and network communication architectures. Unified Communications: PSTN, circuit switching, IP telephony, VoIP, SIP, RTP, SS7, video/audio conferencing, streaming media, SMS, instant messaging (chat). As TelecommNet's Principal Scientist, Dr. Lavian is a network communications and telecommunications expert witness who provides litigation and technology education support in patent disputes and reexaminations. He served as an expert in over 60 patent-related cases. Dr. Lavian wrote expert reports and testified in depositions, in courts, and in front of a jury. He testified in Federal courts, USPTO PTAB IPRs, and the ITC. Dr. Lavian was retained as an expert in cases involving leading companies, including Google, Motorola, Microsoft, LinkedIn, Cisco, Juniper, HP, T-Mobile, Ericsson, LG, Facebook, WhatsApp, Samsung, and Apple.