Technology Consulting and Expert Services
To discuss a matter, call +1 (408) 209-9112 or email tlavian@telecommnet.com. Dr. Tal Lavian is a telecommunications expert witness based in Encino, California; remote deposition and trial testimony are available nationwide via video conference.
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 is the inventor of 120+ patents in telecommunications, networking, and internet protocols.
Dr. Lavian has been retained in more than 90 cases, with testimony before federal courts, the Patent Trial and Appeal Board (PTAB), and the International Trade Commission (ITC). His areas of expertise include PSTN and VoIP systems, network communications, internet protocols (TCP/IP), network security, mobile and wireless technologies, and streaming media.
He serves corporate legal departments, 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 (tlavian@telecommnet.com). 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.
How do I retain Dr. Lavian?
Contact him by phone or email with a brief description of the technology area and the parties involved. He reviews the matter for conflicts of interest, an NDA or confidentiality agreement is available before detailed case information is shared, and he aims to complete the conflict review and issue an engagement letter promptly, subject to scheduling and the complexity of the conflict review.
Can an NDA be signed before case details are shared?
Yes. An NDA or confidentiality agreement is available before detailed case information is shared. Dr. Lavian reviews all matters for conflicts of interest before agreeing to serve, so a brief description of the technology area and the parties involved is enough to start.
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 scientific publications.
