At Cohen IP Law Group, we have decades of combined experience assisting clients nationwide in obtaining international patents. If you're domiciled in the United States, you're only required to have an attorney if you are a foreign-domiciled applicant.Evaluate your investment in filing a patent. Any resident or national of a PCT Contracting State may file an international application direct with the International Bureau of WIPO as receiving Office. Evaluate your investment in filing a patent. Home page of the United States Patent and Trademark Office's main web site. To file a patent application, a set of forms has to be submitted to the patent office. The forms can be submitted online. An application for patent filed in the United States may be entitled to the benefit of the filing date of a prior application filed in a foreign country. Application for Grant of Patent, Form 01: This form, filed before the Indian Patent Office (IPO), serves as an application for a patent.