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Law Firm Clients

50+
Law Firm Clients
70+
Expert Reports
80+
Depositions
100+
Cases
200+
Patents Analyzed
Ph.D.
UC Berkeley

Law Firm Clients

Dr. Tal Lavian is a telecommunications expert witness and internet expert witness who provides testimony and technical consulting to law firms handling complex patent litigation and intellectual property disputes involving telecommunications, network communications, Internet protocols, and related technologies. Dr. Lavian has spent nearly 20 years researching, studying, and lecturing at UC Berkeley. 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.

With over 35 years of industry and academic experience, Dr. Lavian has authored more than 70 expert reports, delivered over 80 depositions, and analyzed more than 200 patents across U.S. Federal and District Courts, the International Trade Commission (ITC), and the USPTO Patent Trial and Appeal Board (PTAB)—including IPRs, CBM reviews, PGRs, Ex-Parte Re-Examinations, and PTO Interferences. He has also provided testimony in international courts in Canada and Asia.

Technical Expertise

Dr. Lavian’s areas of expertise include telecommunications systems, computer networks, VoIP, mobile wireless, network security, streaming media, Internet protocols, and software architecture. As an inventor on over 120 patents, he brings firsthand understanding of patent prosecution and claim construction.

Litigation Experience

Dr. Lavian has been retained in matters involving companies such as Apple, Google, Cisco, Microsoft, Amazon, Facebook, Ericsson, and T-Mobile, among others. His case history encompasses both plaintiff and defense engagements in patent infringement, trade secret, and other intellectual property disputes.

Forums & Proceedings

Dr. Lavian has testified in U.S. Federal and District Courts, the ITC, and the USPTO PTAB. His experience covers claim construction and Markman hearings, jury and bench trials, depositions, and various post-grant proceedings. He has also provided expert opinions in international proceedings in Canada and Asia.

Firms That Have Retained Dr. Lavian

Fish & Richardson Kirkland & Ellis Gibson Dunn Skadden Simpson Thacher & Bartlett LLP Winston & Strawn LLP Ropes & Gray Cooley LLP Finnegan Morgan Lewis Perkins Coie Holland & Knight LLP Foley & Lardner LLP Irell & Manella LLP Hogan Lovells LLP Greenberg Traurig McKool Smith Keker Van Nest & Peters Oblon LLP Desmarais LLP Durie Tangri Kenyon & Kenyon Bingham McCutchen LLP McGuireWoods Pepper Hamilton LLP Nixon Peabody Sterne Kessler Goldstein & Fox Wolf Greenfield LLP Cozen O'Connor Akerman Hausfeld Venable LLP Duane Morris Bondurant Mixson & Elmore LLP Hopkins Carley Knobbe Martens LLP Klarquist Sparkman LLP Hovey Williams LLP Faegre Baker Daniels Armstrong Teasdale LLP Warner Norcross & Judd Novack Macey Mei & Mark LLP Fisch Sigler LLP White and Williams LLP Hosie Rice LLP Erise IP Devlin Law Firm LLC Slater Matsil LLP The Simon Law Firm The Webb Law Firm Niro Haller & Niro Niro Scavone Haller & Niro Baker Botts LLP Unified Patents Torys LLP