The U.S. Copyright Office requested comments on the impact and effectiveness of the DMCA Safe Harbor provisions in 17 USC 512.  Comments submitted by Professors Lateef Mtima and Steven D. Jamar, on behalf of IIPSJ and several other organizations, can be found here.
The comments are categorized into the following themes:
– Characteristics of the Current Internet Ecosystem;
– Operation of the Current DMCA Safe Harbor System;
– Potential Future Evolution of the DMCA Safe Harbor System; and
– other developments in the law.