IAM Recognizes Mark P. Kesslen, Robert J. Paradiso, and Marina Portnova as Global Leaders

Lowenstein Sandler is pleased to announce that partners Mark P. Kesslen, Robert J. Paradiso, and Marina Portnova have been included on the 2025 list of IAM Global Leaders, an annual guide to the world's top private top patent attorneys in private practice.

Kesslen is the Chair of the Intellectual Property Group and a member of the firm's IP & Tech Transactions and Patent Counseling & Prosecution practices, as well as the cross-disciplinary practice group Lowenstein AI. He devotes his practice to clients engaged in creating businesses, launching new products, and conducting M&A and venture capital transactions, and he is heavily involved in issues relating to the licensing and use of software, digital and social media, data, fintech, open source, blockchain, SaaS, enterprise, and hardware (including medical devices). Kesslen has a deep understanding of Artificial Intelligence (AI), Large Language Models, and Data Scraping, which are critical with the rapid rise in use of AI. He continues to manage and assess a wide range of process, software, and business method patents, and he provides strategic advice on issues ranging from litigation assessment to patent scope, open source, trademarks, privacy, and ownership risks.

Paradiso serves as Chair of Lowenstein's Life Sciences & Chemical Patent Practice and practices with the Patent Counseling & Prosecution, Emerging Companies & Venture Capital, and Life Sciences groups. Over the course of his career, he has counseled clients on the discovery, design, and protection of many successful therapeutic and diagnostic products with important commercial and humanitarian benefits. He also regularly advises clients on product acquisition and divestiture, joint ventures and alliances, technology licensing, outsourcing, and other technology-related transactions.

Portnova is a partner in the firm's Emerging Companies & Venture Capital and Patent Counseling & Prosecution groups, and she is Chair of the Software & Electronics practice. 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. Portnova focuses on intellectual property protection in the areas of computer architecture, networking, cloud computing, virtualization, machine learning and internet advertising, among others.

To qualify for inclusion in IAM Global Leaders, individuals must be ranked in the gold tier of the IAM Patent 1000, the market-leading annual directory that identifies the top law and attorney firms and individuals in the world's most important patent jurisdictions. All those listed as IAM Global Leaders merit special attention not only because of their expertise and experience relating to creating, protecting, managing, transacting, and enforcing critical patent rights, but also for their ability to innovate, inspire, and go above and beyond to deliver for their clients.

Lowenstein is listed in the IAM Patent 1000 as a leading IP firm in the states of California, New Jersey, and Utah. IAM Patent 1000 is considered a definitive resource on private practice patent law expertise in the United States: in determining rankings, it assesses depth of knowledge, market presence, and level of work as well as positive peer and client feedback.

About Lowenstein Sandler LLP
Lowenstein Sandler is a national law firm with more than 350 lawyers based in New York, Palo Alto, New Jersey, Utah, and Washington, D.C. The firm represents leaders in virtually every sector of the global economy, with particular emphasis on investment funds, life sciences, and technology. Recognized for its entrepreneurial spirit and high standard of client service, the firm is committed to the interests of its clients, colleagues, and communities.