Author addenda

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  • This is a list of author addenda. An author addendum is a proposed modification to a publisher's standard copyright transfer agreement. If accepted, it would allow the author to retain key rights, especially the right to authorize OA. The purpose is to help authors who are uncomfortable negotiating contract terms with publishers or who are unfamiliar with copyright law and don't know the best terms for a modification to support OA. Because an addendum is merely a proposed contract modification, a publisher may accept or reject it.
  • If possible, please include the date of each addendum. Over time, it would help to annotate the addenda with their major provisions, to show how they differ and to help institutions select one or draft their own.
  • Alphabetical by sponsoring organization.



  • Committee on Institutional Cooperation. Its Addendum to publication agreements for CIC authors ( Adopted June 19, 2007.
    • The CIC is a consortium of 12 research universities: the University of Chicago, the University of Illinois, Indiana University, the University of Iowa, the University of Michigan, Michigan State University, the University of Minnesota, Northwestern University, Ohio State University, Penn State University, Purdue University, and the University of Wisconsin-Madison.








  • National Institutes of Health (NIH). The cover sheet or addendum that the NIH requires for NIH-employed researchers. Adopted July 2008.
    • The NIH does not require any particular addendum for NIH-funded researchers, although it does require such researchers to retain key rights and allows them to use any addendum that would do the job.



  • Science Commons. Scholar’s Copyright Addendum Engine ( (SCAE). FAQ on the author addenda. Originally adopted June 6, 2006. Last revised May 17, 2007.
    • The SCAE offers users a choice among four different addenda and helps them choose. One is the MIT addendum. Another is a modified version of the SPARC addendum. The other two are original with Science Commons: one permitting immediate OA and the other delayed OA.




See also