The information in this brochure is general in nature and is not meant to substitute for advice provided by a patent practitioner. It will be destroyed unless it is referred to in a separate letter in a related patent application filed within the two-year period. The separate letter filed in the related patent application must identify not only the patent application, but also the Disclosure Document by its title, number, and date of receipt in the United States Patent and Trademark Office. Documents without the full fee will be returned. Applicants can request a copy of their Disclosure Document as filed in the United States Patent and Trademark Office if they are the original submitters of the document.
Fees are subject to change annually.
Provisional Application for Patent Inventors also have the option of filing a Provisional Application for Patent . Collections of patents and patent-related reference materials are available at the nationwide network of PTDLs. Contact the PTDL prior to your visit to learn about its collections, services, and hours. Contacts The Office of Independent Inventor Programs provides a point of contact to the independent inventor community.