A US patent holder can block importation and sale of an infringing machine, manufacture or composition of matter in the US and can sue for damages. United States patent.A single international patent does not exist, so an owner will need to seek protection in each country individually. Wayne has represented clients in more than 100 patent infringement actions. Our national patent litigation team has the skill and experience necessary to protect those innovations. We have a deep bench of professionals. A U.S. patent or trademark does not afford protection in another country. Patent rights are usually enforced in a court on the initiative of the right owner. Wayne Stacy is an attorney in the Intellectual Property Litigation Practice Group and the Patent. Patent holder or even impossible if he lacks a parallel patent in the other country.