Head, Johnson, Kachigian and Wilkinson

Intellectual property law is the firm's core practice. It handles patent, trademark, and copyright matters, along with entertainment law, domain names, intellectual property security interests, licensing, franchising, and related commercial and technology law. Services include planning and managing intellectual property portfolios, advising on laws and practices in countries around the world, and securing and enforcing intellectual property rights. The firm also works on brand protection and anti-counterfeiting matters. Its practice began in Tulsa in 1958, assisting organizations with patent and trademark activities. The firm serves clients in Tulsa, Oklahoma, on both substantial legal projects and focused matters involving specialized areas of intellectual property.