Expert Witness Services

Network Communications Expert Witness Services

As a highly sought-after expert witness, Dr. Lavian has testified in Federal courts before judges and juries, the USPTO PTAB, and the ITC. He has provided support for Intellectual Property (IP) litigation cases related to over 140 patents in the areas of network communications and telecommunications, including Internet Protocols (TCP/IP), streaming media, and mobile wireless technologies.

Dr. Lavian has testified as an expert witness over 70 times, both in depositions and in trials, and has written expert reports. These reports have included substantial state of the art research, and technical analysis regarding patent claims, invalidity/validity, infringement/non-infringement, claim constructions, and prior art. He is highly skilled at translating complex technical subject matters into plain-English commonsense, and using terminology understandable by technical and lay audiences alike.

A seasoned expert witness in patent litigation, Dr. Lavian brings over 30 years of experience in academe and high-tech industry, and a Ph.D. from UC Berkeley specializing in telecommunications and network communications to his consulting work.

Past cases have involved the following companies: Google, Microsoft, Amazon, LinkedIn, Avaya, T-Mobile, AT&T, Ericsson, Cisco Systems, Juniper Networks, ZTE, Polycom, Motorola, LG, WhatsApp, Instagram, Huawei, Facebook, and Apple.

Expert testimony services and litigation support including:

Testifying expert in cases filed with the United States District Court, United States Patent and Trademark Office (USPTO), International Trade Commission (ITC), and other courts across the United States and Canada.
Expert witness in USPTO PTAB, including Inter partes review (IPR), Covered Business Method (CBM), Post Grant Review (PGR), Ex-Parte Re-Examination, and PTO Interference.
Providing technology education for claim constructions and Markman hearings.
Writing expert reports, and declarations including infringement analysis, validity analysis, claim terms interpretation, and construction.
Articulating technical material for both technical and non-technical audiences.
Providing product and technology analysis related to patent portfolios, claim charts, prior art investigation, and patentability research.

A seasoned expert witness in patent litigation, Dr. Lavian brings over 30 years of experience in academe and high-tech industry, and a Ph.D. from U.C. Berkeley specializing in telecommunications and network communications to his consulting work.

Past cases have involved the following companies: Google, Microsoft, Amazon, LinkedIn, Avaya, T-Mobile, AT&T, Ericsson, Cisco Systems, Juniper Networks, ZTE, Polycom, Motorola Mobility, LG, WhatsApp, Instagram, Huawei, Facebook, and Apple.

Read more about Dr. Lavian’s litigation support experience.

A representative list of cases.

Examples of past expert witness services:

Communication Networks Expert

Inter Partes Review (IPR) reports and a deposition regarding web reservation over Internet and database consistency covering multiple reservation instances.
Patent infringement reports and depositions and testimony before a judge and jury concerning patents related to KVM switch architectures.
Inter Partes Review (IPR), Covered Business Method (CBM) review and claim construction reports and deposition testimony regarding network management patents.

Mobile Wireless Expertise

Research, analysis and draft of expert report (not yet filed with USPTO) on wireless technologies, Wi-Fi 802.11 a/b/n and MIMO.
Inter Partes Review (IPR) report and deposition testimony on patents related to VoIP, cellphone short messages, and chat app.
Inter Partes Review (IPR) report on patents related to Wi-Fi tethering in broadband cellular data.
Prior art search and invalidity claim charts related to leading mobile wireless products and technologies.

Unified Communications Expertise

Inter Partes Review (IPR) reports and deposition testimony in depositions on patents related to VoIP, short message service (SMS) and chat app.
Prior art research and invalidation claim charts concerning iPhone, iPad, and other Apple mobile wireless products and technologies.
Inter Partes Review (IPR) reports for the USPTO’s PTAB and deposition testimony on patents governing telecommunications architecture, PSTN and VoIP.
Declaration regarding claim amendment on a video conference application program.
Investigation of patents and invalidation analysis of computer network protocol for multimedia application.

Internet and Cloud Expert

Inter Partes Review (IPR) reports and depositions regarding patents for telecommunications architecture, PSTN and VoIP.
Inter Partes Review (IPR) and Covered Business Method (CBM) review reports and deposition testimony on web services and Internet technologies patents.
Prior art research, invalidity claim charts and investigation concerning network communication, routing, and switching technologies.
Invalidation expert reports for the USPTO’s PTAB and deposition testimony regarding patents related to router switching fabric architecture and Ethernet pseudo-wire VPN.

Routing and Switching Expertise

Prior art research, invalidity claim charts and investigation concerning network communication, routing, and switching technologies.
Claim construction declaration for the defense on patents related to multi-protocol telecom routing optimization.
Invalidation expert reports for the USPTO’s PTAB and deposition testimony on patents related to router switching fabric architecture and Ethernet pseudo-wire VPN.
Analysis, claim terms, and Markman claim construction on patents governing multiprotocol label switching (MPLS) technology.