This excerpt taken from the ATVI 10-K filed Jun 14, 2007.
15.2 Reversion of Rights. Upon expiration or termination and subject to Section 15.3, the licenses and related rights herein granted to Publisher shall immediately revert to the SCE Company, and Publisher shall cease from any further use of the SCE Confidential Information, Licensed Trademarks and the SCE Materials and any SCE Intellectual Property Rights therein, and, subject to the provisions of Section 15.3, Publisher shall have no further right to continue the development, publication, manufacture, marketing, advertising, sale or other distribution of any Licensed Products, or to continue to use any Licensed Trademarks; provided, however, that for a period of one year after the effective date of termination, and subject to all the terms of Section 13, and provided this Agreement is not terminated due to any breach or default by Publisher, Publisher may retain such portions of the SCE Materials and the SCE Confidential Information as the SCE Company in its sole discretion agrees are required to support end users who possess Licensed Products but must return all these materials at the end of such one year period. Upon expiration or termination, the licenses and related rights herein granted to the SCE Company by Publisher shall immediately revert to Publisher, and the SCE Company shall cease from any further use of Product Information and any Publisher Intellectual Property Rights
therein; provided that the SCE Company may continue the manufacture, marketing, advertising, sale and other such distribution of any SCE Company demonstration discs containing Publishers Product Information which Publisher had previously approved.