Moore & Hansen is Minnesota's first patent, copyright and trademark law firm. The firm was founded in Minneapolis in 1885 by James F. Williamson as the Williamson Law Firm. From Chicago to San Francisco, only a few firms have been established longer than Moore & Hansen. Patent and Trademark Attorneys from the firm have been helping clients obtain patent and trademark registration, increasing the value of their intellectual property portfolios, for over 125 years. We would love to meet with you to discuss how we can help you in the areas of: Strategic analysis of potential patent, copyright, trademark and trade secret protection which will enhance the value of your business enterprise, Intellectual Property Asset Management, Licensing, Patent and Trademark Procurement, Litigation ... and more! Please visit our Services page for more information.