Common Contracts

Exhibit 10.15 THIS AGREEMENT made in duplicate as of this 9th day of August, 2000. BETWEEN:

Confidential Treatment Requested • March 29th, 2002 • Boston Life Sciences Inc /De • Pharmaceutical preparations • Ontario

• Contract Type
  Confidential Treatment Requested
• Filed
  March 29th, 2002
• Company
  Boston Life Sciences Inc /De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Ontario

AND

Confidential Treatment Requested • June 30th, 2000 • Horizon PCS Inc • Radiotelephone communications

• Contract Type
  Confidential Treatment Requested
• Filed
  June 30th, 2000
• Company
  Horizon PCS Inc
• Industry
  Radiotelephone communications