David W. TollenFounder
Sycamore Legal, P.C.336 Bon Air Center
Greenbrae, CA 94904 Phone: (415) 278-0950 Email: email@example.com Website: www.sycamorelegal.com/
Technology contracts and relationships, including agreements regarding software licensing, software-as-a-service (SaaS), cloud computing, IT professional services, e-commerce, and data security. (Attorney, author, and trainer re the above.)
J.D.; LL.M.; B.A.
J.D., Harvard Law School, 1993; Ll.M., Cambridge University, 1994; B.A., History, U.C. Berkeley, 1990.
Registration and Licenses
Member, State Bar of California.
Lecturer at UC Berkeley Law School. Founder and Trainer on IT contract drafting and negotiation, Tech Contracts, LLC; Founder and attorney, Sycamore Legal, PC. Former General Counsel, Centura Software Corp (public). Former VP Business Development, Clicktime, Inc. Former Associate, Morrison & Foerster, LLC.
Author of the number-one bestseller from the IP Section of the American Bar Association; multiple periodical recognitions for best or most innovative law firm for technology contracts.
Tollen, "THE TECH CONTRACTS HANDBOOK: Cloud Computing Agreements, Software Licenses, and other IT Contracts for Lawyers and Businesspeople", 3rd Ed. (ABA Publishing, 2021); multiple articles on IT contracts, including at www.TechContracts.com.
Multiple Expert Witness Engagements on Software Licensing, Cloud Computing Contracts, and Technology Services Agreements.
Castell ConsultingPO Box 270529
San Diego, CA 92198 Phone: (310) 890-9859 Email: firstname.lastname@example.org Website: www.e-expertwitness.co.uk
Software and Systems Failure & Fitness for Purpose, IP, Mobiletechnology Patents, Internet, Blockchain & Cryptocurrencies; Computer, Software, Telecommunications, Broadcasting Litigation/Dispute Resolution; Expert Witness, CEDR Mediator, ICC Arbitrator, Expert Determiner.
Ph.D.; M.Sc.; B.Sc.; CITP; Accredited Member, Forensic Expert Witness Association, Los Angeles Chapter
Castell Consulting, Management and Financial Consultants in Information Technology. Professional ICT Experts and Consultants. Clients say: “Dr Castell is unique in the totally professional and effective way he makes things happen and gets things done for his clients, delivering results, economically, on time, and with high quality implementation”.
Medallist, IT Consultant of the Year, BCS Professional Awards. Honored with an interview for Archives of IT Capturing the Past, Inspiring the Future. In-depth experiences of the people who influenced the development of IT in the UK.
Author of the foundational APPEAL Report (1990). He has written extensively on the issues of ICT professionalism, and standards of presentation and reliability of computer evidence, blockchain and cryptocurrency technology.
Some recent publications:
To learn more about his recent presentation "Software defects and the Law" (click on 'View Details'), watch the full recording on YouTube.
Dr Stephen Castell CITP has acted as a leading forensic expert witness in compute software and systems disputes, for over thirty years, including the largest and longest software development cases to have reached the English High Court and the Sydney Supreme Court.