Technology Consulting and Expert Services
Contact Dr. Tal Lavian – Telecommunications Expert Witness, Network Communications, Internet Expert Witness, Data Communications, mobile wireless, and Computer Networking
About Dr. Tal Lavian
Dr. Tal Lavian is a telecommunications and network communications expert with over 35 years of industry experience. He holds a Ph.D. in Computer Science from the University of California, Berkeley, and has been awarded more than 120 U.S. and international patents in telecommunications, networking, and internet protocols.
Dr. Lavian has provided testimony in more than 90 cases before federal courts, the Patent Trial and Appeal Board (PTAB), and the International Trade Commission (ITC). His areas of expertise include PSTN, VoIP, and cellular systems, network communications, internet protocols (TCP/IP), network security, mobile and wireless technologies, and streaming media.
He serves corporate legal departments, AmLaw 100 and AmLaw 200 law firms, and intellectual property boutiques nationwide. For a detailed overview of his qualifications, please download his curriculum vitae or visit the About Dr. Lavian page.
Expert Witness Services
Dr. Lavian provides expert services for patent litigation and intellectual property disputes involving telecommunications and network communications technologies. His services include:
- Expert Reports & Declarations: Detailed technical analysis for claim construction, infringement, validity, and damages in patent cases involving telecom technologies.
- Deposition Testimony: over 60 depositions completed. Testimony on telecommunications systems including VoIP, routing protocols, and network architectures.
- Trial & Hearing Testimony: Testimony before federal judges, juries, PTAB panels, and ITC administrative law judges.
- Technical Consulting: Pre-litigation technology assessment, patent portfolio analysis, and prior art research in telecommunications and networking.
- Claim Construction Analysis: Interpretation of patent claims involving network protocols, packet processing, switching architectures, and wireless communications standards.
Remote deposition and trial testimony are available nationwide via video conference.
How to Retain Dr. Lavian
- Initial Inquiry: Contact by phone (+1 408-209-9112) or email ([email protected]). Dr. Lavian typically responds within one business day.
- Conflict Check: Dr. Lavian reviews all matters for conflicts of interest before agreeing to serve. Provide a brief description of the technology area and parties involved.
- Confidentiality: An NDA or confidentiality agreement is available before detailed case information is shared.
- Engagement Timeline: Dr. Lavian aims to complete the conflict review and issue an engagement letter promptly, subject to scheduling and the complexity of the conflict review.
Dr. Lavian is based in Encino, California and available for engagements nationwide, including testimony before federal courts in all jurisdictions, USPTO PTAB hearings, ITC proceedings in Washington, D.C., and international proceedings.
Frequently Asked Questions
What information should I include in an initial inquiry?
A brief description of the technology area, the relevant patents, the opposing parties, and the anticipated timeline is sufficient for an initial review. Dr. Lavian reviews all engagements for potential conflicts of interest before agreeing to serve as an expert. He typically responds within one business day.
Does Dr. Lavian serve as both plaintiff and defense expert?
Yes. Dr. Lavian has been retained by both plaintiff and defendant parties in patent litigation, providing independent technical analysis based on his expertise. He has been retained in cases involving Apple, Google, Microsoft, Samsung, Cisco, AT&T, and many others on both sides of patent disputes.
What types of matters does Dr. Lavian handle?
Dr. Lavian is retained in patent infringement cases, ITC Section 337 investigations, and USPTO PTAB proceedings — including IPR, PGR, and CBM — involving telecommunications, network communications, Internet protocols, VoIP, mobile wireless, network security, streaming media, and computer networking technologies.
Where is Dr. Lavian available to provide expert witness services?
Dr. Lavian is based in Encino, California and is available for engagements nationwide. He has testified in federal courts in Delaware, California (CDCA, NDCA), Texas (EDTX, WDTX), at the USPTO PTAB, the ITC in Washington, D.C., the Canadian Federal Court, and a court in Malaysia.
What is Dr. Lavian's background and expertise?
Dr. Lavian holds a Ph.D. in Computer Science from UC Berkeley, served as Principal Scientist and Principal Architect at Nortel Networks, and has been researching, studying, and lecturing at UC Berkeley for nearly 20 years. He is the inventor of over 120 patents in telecommunications and networking and the author of over 25 peer-reviewed publications.
