Copyright and Registered Trademarks
Most of the information on the National Cancer Institute's (NCI's) Web site has been
written by federal government employees. This material is in the public domain
and is not subject to copyright restrictions. Therefore, no special permission
is required to use it or reproduce it. However, any reproduced material should
contain proper acknowledgement of NCI as the
originator and the NCI Web site, www.cancer.gov, as the source.
Information in NCI's Physician Data Query (PDQ®) cancer information
database, which is made available through the NCI Web site, is also in
the public domain. However, the name PDQ is a registered trademark. Reproduced
PDQ material cannot be labeled as PDQ without a licensing agreement with NCI.
Information about licensing PDQ is available from NCI's
Office of Cancer
Content Management at the following URL: http://cancer.gov/licensing.
Artwork, graphics, and text developed for NCI by private-sector designers,
photographers, and writers under contract to the federal government may be
owned by the originators. Permissions requests, including credit line and/or
fees for use of privately owned material, must be negotiated directly with the
private-sector contractor, independent of the government. To inquire about the
ownership of NCI materials or to obtain contractor contact information, write
Publications Support Branch
Office of Communications
National Cancer Institute
National Institutes of Health
6116 Executive Blvd., MSC 8323
Bethesda, Md. 20892-8323
NCI's logo is also trademarked. This logo cannot be used or reproduced without NCI's consent. Questions regarding use of the NCI logo should be directed to the Publications Support Branch, using the contact information above.
Alternatively, you may call 301-496-4394 or send an e-mail to
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