Marina Portnova

Marina Portnova

Chair of Software & Electronics


  • Corporate
  • Intellectual Property & Patents
  • Patents
  • Patent Counseling & Prosecution

WSG Practice Industries


Lowenstein Sandler LLP
California, U.S.A.


Technology innovators call on Marina for assistance in building and managing their patent portfolios, from identifying technical advantages to implementing programs that capture these advantages as patents.

She provides a broad spectrum of patent-related services, including the preparation and prosecution of patent applications (both U.S. and international), invention mining, patent validity and infringement analysis and opinions, freedom to operate analysis, IP due diligence work, IP licensing, and strategic IP counseling. Her practice focuses on intellectual property protection in:

  • Computer architecture
  • Networking
  • Video technologies
  • Cryptography
  • Virtualization
  • Cloud computing
  • Machine learning
  • Image processing
  • Natural language processing
  • Internet advertising

Marina's outstanding record in these areas, combined with her technical background in engineering and computer science, helps her clients - from startups to industry leaders–take full advantage of the opportunities in this quickly evolving market. 

Prior to becoming a lawyer, Marina worked as a software developer and a database administrator.

Bar Admissions

    United States Patent and Trademark Office


Indiana University School of Law-Indianapolis (J.D. 1999), Articles Editor, Indiana International & Comparative Law Review; Recipient, Henry B. Blackwell II Prize; Recipient, American Society of Composers, Authors and Publishers First Prize in the Nathan Burkan Copyright Law Writing Competition
Central Institute of Patent Law, St. Petersburg, Russia (Degree in Russian Patent Law, 1990)
Technical University, St. Petersburg, Russia (M.S.), Engineering
Technical University, St. Petersburg, Russia (B.S.), Computer Science
Areas of Practice

Corporate | Intellectual Property & Patents | Patent Counseling & Prosecution | Patents | Privacy & Cybersecurity | Seed Stage Investing & Startups | Technology & Media Transactions | The Tech Group | Trademarks, Copyrights & Trade Secrets | Venture Capital & Tech M&A

Professional Career

Professional Activities and Experience

  • Intellectual Asset Management (IAM) Patent 1000 - Marina Portnova


    Alice: The Fallout Continues, August 23, 2016
    Important Considerations for Patent Strategies, February 2012