35 USC 253
Disclaimer

Executive summary:

This document contains one section of the U.S. Patent Act (found in Title 35 of the United States Code). This page was last updated in November 2005. All of the sections of the Patent Act are listed on the Index page. A Word Index is also available to the Patent Act.

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§253. Disclaimer

Whenever, without any deceptive intention, a claim of a patent is invalid the remaining claims shall not thereby be rendered invalid. A patentee, whether of the whole or any sectional interest therein, may, on payment of the fee required by law, make disclaimer of any complete claim, stating therein the extent of his interest in such patent. Such disclaimer shall be in writing, and recorded in the Patent and Trademark Office; and it shall thereafter be considered as part of the original patent to the extent of the interest possessed by the disclaimant and by those claiming under him.

In like manner any patentee or applicant may disclaim or dedicate to the public the entire term, or any terminal part of the term, of the patent granted or to be granted.