About

Mark Thomas Hansen is a seasoned attorney with 40 years of experience representing clients in intellectual property, trademark application, copyright application, and advertising matters. Based in Los Angeles, he has built a practice focused on helping individuals, businesses, and organizations protect and strengthen the legal rights tied to their brands, creative works, and advertising efforts. As part of Sonnenschein Nath & Rosenthal LLP | Law Offices of Mark Thomas Hansen, he brings a deep understanding of the legal and business issues that can arise when managing intellectual property portfolios and navigating the application process for valuable rights. Throughout his career, Mr. Hansen has approached each matter with a practical, detail-oriented perspective designed to help clients move forward with confidence. He understands that intellectual property is often one of a company’s most important assets, and he works to provide clear guidance tailored to each client’s goals. Whether advising on trademark application strategy, copyright application matters, or legal concerns involving advertising, he is committed to delivering responsive counsel that aligns with the client’s broader business objectives. Clients value Mr. Hansen for his professionalism, depth of experience, and commitment to protecting what matters most to them. In every representation, he strives to provide thoughtful legal support and dependable advocacy in an evolving intellectual property landscape.

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