USPTO disclosure document program
A service provided by the United States Patent and Trademark Office (USPTO or Office) is the acceptance and preservation for two years of Disclosure Documents as evidence of the date of conception of an invention.
A paper disclosing an invention (called a Disclosure Document) and signed by the inventor or inventors may be forwarded to the USPTO by the inventor (or by any one of the inventors when there are joint inventors), by the owner of the invention, or by the attorney or agent of the inventor(s) or owner. The Disclosure Document will be retained for two years, and then be destroyed unless it is referred to in a separate letter in a related patent application filed within those two years.
THE DISCLOSURE DOCUMENT IS NOT A PATENT APPLICATION. THE DATE OF ITS RECEIPT IN THE USPTO WILL NOT BECOME THE EFFECTIVE FILING DATE OF ANY PATENT APPLICATION SUBSEQUENTLY FILED.
These documents will be kept in confidence by the USPTO without publication in accordance with 35 U.S.C. 122(b), effective November 29, 2000.
This program does not diminish the value of the conventional, witnessed, permanently bound, and page-numbered laboratory notebook or notarized records as evidence of conception of an invention, but it should provide a more credible form of evidence than that provided by the mailing of a disclosure to oneself or another person by registered mail.
Inventors are also reminded that any public use or sale in the United States or publication of the invention anywhere in the world more than one year prior to the filing of a patent application on that invention will prohibit the granting of an U. S. patent on it. Foreign patent laws in this regard may be much more restrictive than U.S. laws.
Inventors who are not familiar with the requirement of "diligence in completing the invention" or "reduction of practice" under the US patent law are advised to consult an attorney or agent registered to practice before the PTO.
of the Disclosure Document
of the Document
"The undersigned, being the inventor of the disclosed invention, requests that the enclosed papers be accepted under the Disclosure Document Program, and that they be preserved for a period of two years."
The original submission will not be returned. A notice with an identifying number and date of receipt in the PTO will be mailed to the customer, indicating that the Disclosure Document may be relied upon only as evidence and that a patent application should be diligently filed if patent protection is desired.
Mail Stop DD
copy of a Disclosure Document as filed in the Patent and Trademark Office
will be furnished upon receipt of a written request (by the original
submitter only) and a fee of $25.
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