The world’s largest maker of construction and mining equipment, diesel and natural gas engines, and industrial gas turbines relies on us for patent protection

Since 2000, Finnegan has worked closely with the inventors and legal staff at Caterpillar Inc. The firm has prepared and is prosecuting several hundred patent applications in the United States and in many foreign countries. We have also assisted Caterpillar with many opinion matters involving issues of patent validity, infringement, government contracts, licensing, and copyrights. And we have a significant role protecting Caterpillar's well-known trademarks around the world.