{{slotProps.result.Title}} {{slotProps.result.Title}} {{slotProps.result.Title}} {{slotProps.result.Title}}
Home > Our People > Dion M. Bregman
Our People

Dion M. Bregman

Partner

Dion M. Bregman has decades of experience in Patent Trial and Appeal Board (PTAB) trials, patent prosecution, counseling, and litigation. He has successfully led over 165 PTAB proceedings representing both petitioners and patent owners. Dion also oversees extensive patent portfolios for Fortune 500 companies and startups, specializing in advanced technologies such as artificial intelligence (AI). He is the deputy leader of the firm’s intellectual property practice, co-leader of the firm’s PTAB group, co-leader of the AI Client Solutions initiative, and serves on the firm’s Advisory Board.

event

Technology
Marathon
Find out more about this series on all things tech >>

Dion is a trusted advisor to technology companies seeking to protect and leverage their innovations. Recognized as a California Lawyer of the Year by California Lawyer and a Top Intellectual Property Lawyer in California by the Daily Journal, he represents public and private companies across diverse industries, including software, hardware, user interfaces, media, internet, telecommunications, medical devices, aerospace, business methods, fintech, semiconductors, healthcare, and electric and autonomous vehicles, with a particular focus on AI-related technologies.

Dion has prepared and prosecuted thousands of patent applications and has specialized knowledge in post-grant proceedings, including reexaminations, inter partes reviews (IPRs), and covered business method reviews. He argued the second-ever IPR before the PTAB and has since handled over 165 post-grant proceedings. In addition, he regularly prepares noninfringement and invalidity opinions.

Dion maintains an active litigation practice and was instrumental in achieving a $140 million victory in ActiveVideo v. Verizon, one of the largest patent damage awards in the United States, with a total expected recovery exceeding $260 million. He is consistently recognized as a leading patent lawyer by IAM Patent 1000, The Legal 500, Managing IP, and Thomson Reuters.

Dion joined Morgan Lewis in 2004 after practicing intellectual property law at leading firms in New York and South Africa.

  • University of Johannesburg, South Africa, 1998, LL.B. (J.D.)
  • University of the Witwatersrand, South Africa, 1993, B.S.C. Aeronautical Engineering
  • California
  • US District Court for the Eastern District of Virginia
  • US District Court for the Northern District of California
  • US District Court for the Central District of California
  • US Court of Appeals for Federal Circuit
  • US Patent and Trademark Office

Listed, World Intellectual Property Review, IP Leader (2025)

Top Intellectual Property Lawyers in California, Daily Journal (2024)

Leading Lawyer, Intellectual property: Patents: prosecution (including re-examination and post-grant proceedings), The Legal 500 US (2022–2025)

Recommended, Intellectual property: Patents: Litigation (International Trade Commission), The Legal 500 US (2025)

Recommended, Media, technology and telecoms: Technology Transactions, The Legal 500 US (2024)

Recommended, Intellectual property: Patents: licensing, The Legal 500 US (2021–2024)

Recommended, Intellectual property: Trade secrets (litigation and non-contentious matters), The Legal 500 US (2021, 2024, 2025)

Recommended, Intellectual property: Patents: prosecution (including re-examination and post-grant proceedings), The Legal 500 US (2020, 2021, 2025)

Recognized, IAM Patent 1000: The World’s Leading Patent Professionals (2017–2025)

Recognized, IP Patent Star – California, Managing Intellectual Property (2018–2025)

Ranked, Intellectual Property: Patent Prosecution, California, Chambers USA (2017–2019)

Recognized, Northern California Super Lawyers (2013–2016)

California Lawyer of the Year, Intellectual Property, California Lawyer (2012)

Member, Practice Group of the Year, Intellectual Property, Law360 (2019)

Member, Litigation Department of the Year–Intellectual Property, The American Lawyer (2019)