definiens: means ( a ) with respect to the Initial Licensed Product, the trademark selected by XOMA for the InitialLicensed Product, which as of the Effective Date is [ * ], provided that such trademark is approved by the applicable regulatoryauthorities and successfully registered with the U.S. Patent and Trademark Office, and if such trademark is not so approved and soregistered, the trademark selected by XOMA from those other trademarks listed on Schedule 1.24 hereto or otherwise proposedby XOMA and agreed to by BIOFARMA, ( b ) with respect to ACEON, the trademark ACEON ® No . 3351617 of March 27, 2007and all the common law rights in the ACEON mark in the Territory and ( c ) with respect to the Additional Combination Productsand / or any Replacement Trademarks, such other trademarks as may be agreed upon in accordance with the terms of thisAgreement from time to time