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  • Patents, Copyright & Trade Secret
  • Cryptography
  • Information Security
  • Networking & Wireless
  • Mobile & Cellular
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Testifying Experts

Dr. Aviel D. Rubin

Dr. Aviel D. Rubin is the managing partner and founder of Harbor Labs, specializing in software and network security and applied cryptography. He is also Professor of Computer Science and Technical Director of the Information Security Institute at Johns Hopkins University. He has extensive experience as an expert witness, testifying at deposition and at trial in patent and copyright cases over the last sixteen years. Rubin has testified about technology issues before the U.S. House and Senate on multiple occasions, and he is author of several books including Brave New Ballot (Random House, 2006) Firewalls and Internet Security 2e (with Bill Cheswick and Steve Bellovin, Addison Wesley, 2003), White-Hat Security Arsenal (Addison Wesley, 2001), and Web Security Sourcebook (with Dan Geer and Marcus Ranum, John Wiley & Sons, 1997). Rubin's past awards include Baltimorean of the Year, Fulbright Scholar, and the EFF Pioneer award. He has a B.S, ('89), M.S.E ('91), and Ph.D. ('94) from the University of Michigan. For more details, see Dr. Rubin's full vita.

Dr. Lorrie Faith Cranor

Dr. Lorrie Faith Cranor is Associate Professor of Computer Science and of Engineering & Public Policy at Carnegie Mellon University, where she directs the CyLab Usable Privacy and Security Laboratory. She also co-founded a security startup, and was previously a researcher at AT&T Labs-Research. Cranor specializes in usable security, online privacy, and usability. She has experience testifying at deposition and at trial, as well as testifying before Congress. She is author of Web Privacy with P3P (O'Reilly 2002) and co-editor of the seminal book Security and Usability (O'Reilly 2005). She has a BS ('92), MS ('93), and DSc ('96) from Washington University in St. Louis. In 2003 she was named one of the top 100 innovators 35 or younger by Technology Review magazine.

Dr. Markus Jakobsson

Dr. Markus Jakobsson is Principal Scientist at Paypal, and founder of two security startups. He is listed as inventor of more than 100 patents and patents pending. Jakobsson specializes in authentication, user interfaces, payment systems, and advertising. Jakobsson has experience as a testifying expert witness in both the U.S. and Canada. He brings an over 20 year experience in applied security, and has held positions at Bell Labs, RSA Labs, Xerox PARC, New York University, Indiana University, and San Diego Supercomputer Center. He has published several books, including Phishing and Countermeasures (Wiley, 2006), Crimeware (Symantec Press, 2008), and The Death of the Internet (Wiley, forthcoming in 2012). Jakobsson has a Masters degree ('92) in computer Engineering from Lund Institute of Technology, Sweden, a Masters degree ('94) and PhD ('97) in Computer Science from the University of California at San Diego.

Dr. Matthew Green

Dr. Matthew Green is a Research Professor of Cryptography at Johns Hopkins University, specializing in applied cryptography, elliptic curve cryptosystems, and satellite television piracy. Green has experience as an expert witness and as a consulting witness in over a dozen cases involving patents and copyright issues. He has testified in multiple depositions and at trial. Green worked for four years as a senior technical staff member at AT&T Labs on a variety of projects including audio coding/secure content distribution, streaming video and wireless localization services. He received a B.A. ('98) in Computer Science from Oberlin College and has an M.S. ('05) and Ph.D. ('08) in Computer Science from The Johns Hopkins University.

Dr. Seth Nielson

Dr. Seth Nielson is a research scientist specializing in software design and networking. He has experience working as a consulting expert on over a dozen legal cases involving patents, trade secrets, copyright, and the DMCA. Nielson is the recipient of several awards including: Brown Fellowship, John and Eileen Tietze Fellow, and a Graduate Fellowship from the Rice University Computer Science Department. Nielson has a B.S. ('00). M.S. ('04) in Computer Science from Brigham Young University and a Ph.D. ('09) in Computer Science from Rice University.

Dr. Samuel Small

Dr. Samuel Small is a research scientist and consultant specializing in network and software security. He has experience working in technology litigation, including acting as a consulting expert in a four week trial involving satellite television piracy. He has won multiple awards including a US Army Merit Scholarship, a NIST undergraduate research fellowship award, an Army ROTC Service Award, and was a finalist for the 2010 Pwnie Award in the category of Most Innovative Research. Small has also taught graduate courses on Computer Security at Johns Hopkins University. He has a B.S. (03) in Computer Science from The College of William and Mary and has an M.S.E. (06) and Ph.D. (09) in Computer Science from The Johns Hopkins University.

Consulting Experts

Harbor Labs consulting experts support our testifying experts and perform much of the research and analysis to help our clients understand and strengthen their cases. Our staff have experience working on a wide array of cases.

Joseph Carrigan

Joseph Carrigan is a Software Engineer with over 13 years of software development experience, as well as expertise in Computer Security, Data Migration, Data Integration, Data Warehousing and Network Communication. Carrigan has developed Software Quality assurance processes, including a functional testing process and a code review process. He has extensive experience in reverse engineering, source code review and patent prior art analysis. Besides being a Certified Scrum Master, He has a B.S. ('99) in Computer and Information Science from The University of Maryland, University College and an M.S. ('08) in Computer Science from Capitol College.

Christopher B. Cullison

Christopher B. Cullison has over 16 years of experience in the software industry. Cullison has worked with and managed large scale applications for Fortune 50 corporations, specializing in advance enterprise architecture solutions. His expertise includes reverse engineering, code inspection, dynamic integrations, and cyber-security. Cullison has worked as a consulting expert in patent litigation, specializing in patent and prior art analysis. Besides holding multiple coding and security certifications, Cullison is a regular speaker about innovative coding at security conferences. He has a Bachelors ('97) in Business Information Systems from Stevenson University.

Rob Francis

Rob Francis is a Software Engineer with 10 years of experience in Web services, software architecture and product management. He has experience working as a consulting expert on legal cases involving patents and privacy. Francis has an extensive technical consulting background including system structure analysis, code reviews and code remediation. He has worked as a consulting expert in patent litigation. Francis has a B.A. ('01) from the University of Maryland College Park, a Certificate in Software Development ('06) from Boston University, and is a McAfee System Security Technical Professional ('11).