IAM Patent 1000 2026 Recognizes Lowenstein’s Patent Practice and Six Partners 

Lowenstein Sandler is pleased to announce that IAM Patent 1000: The World’s Leading Patent Professionals 2026 has ranked the firm and six of its lawyers in the publication’s California, New Jersey, and Utah rosters of preeminent patent practitioners.

IAM Patent 1000 is widely recognized as the definitive directory exclusively dedicated to identifying the world’s top patent lawyers, attorneys, practices, and firms. In determining rankings, the directory assesses depth of knowledge, market presence, and level of work as well as positive peer and client feedback.

The partners recommended for their work in patent counseling and prosecution included:

• Kevin O. Grange

Managing Partner of the firm’s Utah office, Grange has had thousands of patents successfully filed and granted over the course of his career, and is consistently ranked in leading directories including Chambers USA and IAM Patent 1000 since 2017, in IAM Strategy 300: The World’s Leading IP Strategists every year since 2023, and most recently in The Legal 500 in 2026. Distinguished by his strategic command of both hardware and software innovation, Grange is experienced in such areas as wireless technologies (radios, antennas, baseband processors, phased-array antennas and circuitry), touch interface technologies, USB technologies, memory technologies, machine learning, accelerators (GPUs, DPUs), energy recovery solutions, pumping systems, gaming and entertainment, laptops and workstations, switch and networking technologies, cloud and data centers, embedded systems, mobile device wireless technology, cloud-computing services, wearable devices, and the Internet of Things (IoT).

• Mark P. Kesslen

Chair of Lowenstein’s Intellectual Property practice, Kesslen has been listed among the preeminent patent practitioners in IAM Patent 1000 every year since 2018. 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). He has a deep understanding of Artificial Intelligence (AI), Large Language Models, and Data Scraping, which is 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 provides strategic advice on issues ranging from litigation assessment to patent scope, open source, trademarks, privacy, and ownership risks.

• Benjamin A. Kimes

Kimes counsels his clients through all stages of IP development, including strategy, patent preparation, patent prosecution, and patentability. He also frequently advises parties seeking and providing open-source licensing. His clients include a diverse portfolio of Fortune 100 companies, startups, and solo inventors, for whom he writes and prosecutes patent applications in such computer software fields as cryptography, cloud computing, IoT, machine learning, and image processing. He also regularly prepares and prosecutes patent applications regarding semiconductor devices, applied sciences, material science, medical devices, telecommunications, power management, sensors, computer hardware, and other technologies.

• Robert J. Paradiso

Paradiso, Chair of Lowenstein’s Life Sciences & Chemical Patent Practice, counsels clients on the discovery, design, and protection of many successful therapeutic and diagnostic products with important commercial and humanitarian benefits. His client-focused approach and success in protecting innovations has earned consistent recognition from leading directories, including in Chambers USA every year since 2012 and in IAM Patent 1000 since 2018. Paradiso’s combination of legal and scientific fluency enables him to analyze complex issues and effectively craft, communicate, and implement solutions that achieve his clients’ goals–whether for raising capital, closing the deal, or obtaining a bet-the-company patent.

• Marina Portnova

As Chair of the firm’s Software & Electronics practice, Portnova 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 IP protection in computer architecture, networking, video technologies, cryptography, virtualization, cloud computing, machine learning, image processing, natural language processing, and internet advertising.

• Steven K. Tam

Tam guides business clients through all stages of patent portfolio development, including strategy, invention harvesting, patent drafting, U.S. and international patent prosecution, and portfolio management. He drafts and prosecutes utility and design patents for U.S. and global jurisdictions in the electrical engineering, computer science, and mechanical engineering fields. A former electrical design engineer at Texas Instruments, Tam is experienced in AI, autonomous vehicle systems, SaaS communication platforms, data analytics, data storage, cloud computing, computer vision, integrated circuits, video game technology, capacitive sense technology, memory technology, semiconductor fabrication, medical devices, social networks, and beauty products.

Lowenstein’s national Patent Counseling & Prosecution team guides technologically sophisticated companies and their investors on the identification, protection, and strategic use of IP. With degrees in physics, chemistry, biology, electrical engineering, mechanical engineering, computer science, and mathematics, the firm’s IP attorneys also collaborate with business lawyers to advise on the IP implications of any corporate transaction in a technology-based or science-based company's business cycle. They help identify potentially valuable inventions, prepare and prosecute patent applications, and conduct related opinion and counseling work for companies ranging in size from startups and the venture funds that back those companies to Fortune 100s and leading research universities.

About Lowenstein Sandler LLP
Lowenstein Sandler LLP is a national law firm with over 400 lawyers based in New York, Palo Alto, Roseland, Salt Lake City, San Francisco, Washington, D.C., and Wilmington. 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.