Shareholders Andrew Freyer, Benno Guggenheimer and Craig Hemenway have been named in the 2025 Intellectual Asset Management (IAM) Patent 1000 rankings. In addition, Brownstein was recognized by IAM in the patent prosecution and intellectual property transactions categories.
Freyer has been recognized in IAM’s prosecution category since 2023. He advises technology-driven clients to build and defend international patent strategies aligned with business, marketing and investment objectives, supplementing his legal counsel with deep technical expertise in full-stack software development, electrical engineering, artificial intelligence and data analytics. According to IAM's 2025 commentary,“Freyer’s electrical engineering background allows him industry-specific prowess, with patrons benefiting from his tailored services. Thanks to his analytical, data-driven approach, patrons are empowered to make proactive, well-informed decisions.”
Guggenheimer has been ranked in IAM’s prosecution category since 2020. With more than 15 years of experience in patent law, he represents some of the most recognizable names in Silicon Valley, Fortune 500 companies and international technology firms. His work involves managing international patent portfolios for multinational corporations, ensuring their intellectual property remains protected across global markets. He is “a consummate professional. He consistently produces an excellent work product, ensuring an exceptional experience for his clients,” said a client in this year’s ranking commentary.
Hemenway, the firm’s lead patent attorney for high-tech matters and co-chair of its Intellectual Property Department, has been recognized by IAM since 2013 for both prosecution and transactions. He represents some of the largest technology companies in the world as well as several unicorn startups. According to IAM’s commentary, “For more than two decades, Hemenway has been a “pivotal advisor at the nexus of technology and business. He devises ingenious strategies that empower tech companies to harness their intellectual property, propelling them to market leadership.”
Now in its 14th year, IAM compiles a list of the top patent attorneys in the world and breaks it down by country and U.S. state, recommending those considered leaders in the field. It focuses exclusively on patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.
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