Jason Campbell
Managing Partner (Founder)
Jason Campbell is a U.S. Patent Attorney and IP strategist with nearly two decades of combined law firm and in-house experience. He began his career at a U.S. patent law firm, handling international filings, prosecution, and legal opinions, before becoming the first foreign in-house counsel hired by a $12B diversified chemical company headquartered in Japan. There, he led global IP strategy, managed the IP portfolios of U.S. and European subsidiaries, and provided comprehensive legal support while harmonizing best practices across the group.
Today, Jason provides high-level IP counsel to a global client base. He serves as fractional counsel to a major global chemical company and continues to expand his practice, supporting a diverse roster of technology startups and mid-sized businesses.
Fluent in Japanese, Jason has extensive experience negotiating complex international agreements, particularly in U.S.–Japan transactions involving technology licenses, joint development, and engineering services. He actively supports domestic and international clients in negotiating IP licenses and related agreements.
He has drafted patents and developed IP strategies across a wide range of technologies, including chemical polymers and formulations (including bio-based feedstocks), polyolefin foams, extruded films, packaging materials (barrier and recyclable), medical devices, power plant systems, and additive manufacturing.
As founder and managing partner of Campbell IP Law, Jason is proud to focus much of his work supporting innovations that reduce environmental impact and improve health outcomes. Outside the office, he is an avid musician, writing and performing original music on guitar and playing in bands.
Jason is admitted to the State Bar of Minnesota and is a registered patent attorney before the United States Patent and Trademark Office. See LinkedIn profile for additional credentials and experience.
Nathan Rau
Partner
Nathan M. Rau is a U.S. Patent Attorney with over two decades of experience in patent law, spanning corporate, law firm, and startup environments.
Nathan’s legal career includes senior roles at IBM, Microsoft, and in law firms, where he provided counsel on patent prosecution, IP strategy, licensing, competitive analysis, and international filings. Most recently, he served as Acting General Counsel and Director of Intellectual Property for an early-stage startup, where he built the legal and IP infrastructure from the ground up and led legal efforts related to funding and growth.
Nathan has drafted and prosecuted patents across a broad range of technologies, including artificial intelligence (AI), quantum computing, software, hardware, medical devices, and aeronautics. His practice today reflects a deep understanding of how IP strategy aligns with business objectives, especially in emerging and innovation-driven industries.
Outside the office, Nathan served on the board of Legal Assistance of Olmsted County and several nonprofit foundations. He enjoys time outdoors, international travel (has been to all seven continents and over 50 countries), football, golf, and reading, and remains committed to perfecting his Lego design technique.
Nathan is admitted to the State Bar of Minnesota and is a registered patent attorney before the United States Patent and Trademark Office, and is also licensed to practice with the Canadian Intellectual Property Office. See LinkedIn profile for additional credentials and experience.