We regularly represent clients in patent lawsuits in federal courts, including nearly 400 cases in the past ten years. Philadelphia patent attorneys at Bold Patents provide expert legal services in intellectual property, specializing in patent prosecution and litigation.Many patent offices provide a specific form to fill in. In some patent offices, you can file a patent application on line. In this paper, we (1) discuss why foreign IPR infringement is a problem to U.S. industry;. Defending clients sued for patent infringement in Florida, Illinois, Pennsylvania, California, and Texas. In the United States, civil remedies are available for patent infringement. Contributory infringement is a form of delict and is not specifically recognised in the Patents Act. In the Eastern District of Pennsylvania and 33 cases in the Southern District of New York). Office: Companies and Intellectual Property Commission (CIPC) (South Africa).