Two photographers claimed that the inclusion of their photographs in the National Geographic Society's (NGS) CD-ROM version of the NGS magazine violated their copyrights and that the NGS was not exempt under Section 201(c) of the Copyright Act.
- Metro-Goldwyn-Mayer Studios, Inc, v. Grokster, Ltd.: Amicus brief in support of Grokster.
- Greenberg v. National Geographic Society: Amicus Brief in support of National Geographic Society
- American Council on Education, et al. v. Federal Communications Commission: Amicus brief in support of ACE
- Cheney v. US District Court (appeal): Amicus brief in support of Sierra Club and Judicial Watch