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 of copyrighted material is protected against a claim of copyright infringement under the doctrine of fair use. See 17 U.S.C. § 107.

HathiTrust permits three uses of the copyrighted works in the HDL repository. First, HathiTrust allows the general public to search for particular terms across all digital copies in the repository. Unless the copyright holder authorizes broader use, the search results show only the page numbers on which the search term is found within the work and the number of times the term appears on each page. The HDL does not display to the user any text from the underlying copyrighted work (either in “snippet” form or otherwise). Consequently, the user is not able to view either the page on which the term appears or any other portion of the book.

Below is an example of the results a user might see after running an HDL full-text search: J.A. 681 ¶80 (Wilkin Decl.).

Second, the HDL allows member libraries to provide patrons with certified print disabilities access to the full text of copyrighted works. A “print disability” is any disability that prevents a person from effectively reading printed material. Blindness is one example, but print disabilities also include those that prevent a person from physically holding a book or turning pages. To use this service, a patron must obtain certification of his disability from a qualified expert. Through the HDL, a print-disabled user can obtain access to the contents of works in the digital library using adaptive technologies such as software that converts the text into spoken words, or that magnifies the text. Currently, the University of Michigan’s library is the only HDL member that permits such access, although other member libraries intend to provide it in the future.