COLLABORATION AGREEMENTS	12 Months Ended
Dec. 31, 2012
COLLABORATION AGREEMENTS
COLLABORATION AGREEMENTS	(13) COLLABORATION AGREEMENTS The Company has entered into license agreements whereby the Company has received licenses or options to license technology, specified patents or patent applications. The Company's licensing and development collaboration agreements generally provide for royalty payments equal to specified percentages of product sales, annual license maintenance fees, continuing patent prosecution costs and potential future milestone payments to third parties upon the achievement of certain developmental, regulatory and/or commercial milestones. Nonrefundable license fee expense was $0.7 million, $1.4 million and $1.0 million for the years ended December 31, 2012, 2011 and 2010, respectively. Medarex, Inc., a subsidiary of Bristol-Myers Squibb (Medarex) Medarex, a former related party, and the Company have entered into the following agreements, each of which was approved by a majority of its independent directors who did not have an interest in the transaction. These agreements include: • An Assignment and License Agreement, as amended, (Assignment and License Agreement) that provides for the assignment of certain patent and other intellectual property rights and a license to certain Medarex technology related to the Company's APC Targeting Technology™ and an anti-mannose receptor product; and • A Research and Commercialization Agreement, as amended, (Research and Commercialization Agreement) that provides the Company with certain rights to obtain exclusive commercial licenses to proprietary monoclonal antibodies raised against certain antigens utilizing the Medarex UltiMAb technology platform for generating antibodies until December 2015. Under the terms of the Assignment and License Agreement, the Company may be required to pay royalties in the low-single digits on any net product sale of a Licensed Royalty-Bearing Product or Anti-Mannose Product to Medarex until the later of (i) the expiration of the last to expire applicable patent and (ii) the tenth anniversary of the first commercial sale of such licensed product. Under the terms of the Research and Commercialization Agreement, the Company may be required to pay milestones of up to $7.0 million upon obtaining first approval for commercial sale in a first indication of a product containing a licensed antibody and royalty payments in the low- to mid-single digits on any net product sales to Medarex with respect to the development of any products containing such licensed antibodies until the later of (i) the expiration of the last to expire applicable patent and (ii) the tenth anniversary of the first commercial sale of such licensed product. In September 2010, the Company exercised an option under the Research and Commercialization Agreement, whereby it licensed from Medarex access to the UltiMab technology to develop and commercialize human antibodies to CD27, including CDX-1127. Rockefeller University (Rockefeller) In November 2005, the Company and Rockefeller entered into a license agreement for the exclusive worldwide rights to human DEC-205 receptor, with the right to sublicense the technology. The license grant is exclusive except that Rockefeller may use and permit other nonprofit organizations to use the human DEC-205 receptor patent rights for educational and research purposes. The Company may be required to pay milestones of up to $3.9 million upon obtaining first approval for commercial sale in a first indication of a product targeting the licensed receptor and royalty payments in the low- to mid-single digits on any net product sales to Rockefeller with respect to development and commercialization of the human DEC-205 receptor. Duke University Brain Tumor Cancer Center (Duke) In September 2006, the Company and Duke entered into a license agreement that gave the Company access and reference to the clinical data generated by Duke and its collaborators in order for the Company to generate its own filing with the FDA relating to rindopepimut. The Company may be required to pay milestone of up to $1.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Duke with respect to development and commercialization of rindopepimut. Ludwig Institute for Cancer Research (Ludwig) In October 2006, the Company and Ludwig entered into an agreement for the nonexclusive rights to certain cancer tumor targets for use in combination with the Company's APC Targeting Technology. The term of the agreement is for ten years. The Company may be required to pay milestones of up to $1.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Ludwig with respect to development and commercialization of the technology licensed from Ludwig. Alteris Therapeutics, Inc. (Alteris) In October 2005, the Company completed the acquisition of the assets of Alteris, including the EGFRvIII molecule. The Company may be required to pay Alteris up to $5.0 million upon obtaining the first approval for commercial sale of a product containing EGFRvIII, including rindopepimut. Thomas Jefferson University (TJU) In connection with our acquisition of the assets of Alteris, the Company obtained the rights to two exclusive license agreements with TJU dated February 2003 related to the EGFRvIII tumor antigen. Under these licenses, the Company may be required to pay milestones of up to $3.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to TJU with respect to development and commercialization of rindopepimut. University of Southampton, UK (Southampton) In November 2008, the Company entered into a license agreement with Southampton to develop human antibodies towards CD27, a potentially important target for immunotherapy of various cancers. The Company may be required to pay milestones of up to approximately $1.4 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Southampton with respect to development and commercialization of CDX-1127 Amgen Inc. (Amgen) In March 2009, the Company entered into a license agreement with Amgen to acquire the exclusive rights to CDX-301 and CD40 ligand (CD40L). CDX-301 and CD40L are immune modulating molecules that increase the numbers and activity of immune cells that control immune responses. The Company may be required to pay milestones of up to $1.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Amgen with respect to development and commercialization of the technology licensed from Amgen, including CDX-301. Seattle Genetics, Inc. (Seattle Genetics) In connection with the CuraGen acquisition, the Company assumed the license agreement between CuraGen and Seattle Genetics whereby CuraGen acquired the rights to proprietary antibody-drug conjugate (ADC) technology for use with the Company's proprietary antibodies for the potential treatment of cancer. The Company may be required to pay milestones of up to $7.5 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the mid-single digits on any net product sales to Seattle Genetics with respect to development and commercialization of the ADC technology, including CDX-011 and CDX-014.

(13) COLLABORATION AGREEMENTS

The Company has entered into license agreements whereby the Company has received licenses or options to license technology, specified patents or patent applications. The Company's licensing and development collaboration agreements generally provide for royalty payments equal to specified percentages of product sales, annual license maintenance fees, continuing patent prosecution costs and potential future milestone payments to third parties upon the achievement of certain developmental, regulatory and/or commercial milestones. Nonrefundable license fee expense was $0.7 million, $1.4 million and $1.0 million for the years ended December 31, 2012, 2011 and 2010, respectively.

Medarex, Inc., a subsidiary of Bristol-Myers Squibb (Medarex)

Medarex, a former related party, and the Company have entered into the following agreements, each of which was approved by a majority of its independent directors who did not have an interest in the transaction. These agreements include:

•

An Assignment and License Agreement, as amended, (Assignment and License Agreement) that provides for the assignment of certain patent and other intellectual property rights and a license to certain Medarex technology related to the Company's APC Targeting Technology™ and an anti-mannose receptor product; and

•

A Research and Commercialization Agreement, as amended, (Research and Commercialization Agreement) that provides the Company with certain rights to obtain exclusive commercial licenses to proprietary monoclonal antibodies raised against certain antigens utilizing the Medarex UltiMAb technology platform for generating antibodies until December 2015.

Under the terms of the Assignment and License Agreement, the Company may be required to pay royalties in the low-single digits on any net product sale of a Licensed Royalty-Bearing Product or Anti-Mannose Product to Medarex until the later of (i) the expiration of the last to expire applicable patent and (ii) the tenth anniversary of the first commercial sale of such licensed product. Under the terms of the Research and Commercialization Agreement, the Company may be required to pay milestones of up to $7.0 million upon obtaining first approval for commercial sale in a first indication of a product containing a licensed antibody and royalty payments in the low- to mid-single digits on any net product sales to Medarex with respect to the development of any products containing such licensed antibodies until the later of (i) the expiration of the last to expire applicable patent and (ii) the tenth anniversary of the first commercial sale of such licensed product. In September 2010, the Company exercised an option under the Research and Commercialization Agreement, whereby it licensed from Medarex access to the UltiMab technology to develop and commercialize human antibodies to CD27, including CDX-1127.

Rockefeller University (Rockefeller)

In November 2005, the Company and Rockefeller entered into a license agreement for the exclusive worldwide rights to human DEC-205 receptor, with the right to sublicense the technology. The license grant is exclusive except that Rockefeller may use and permit other nonprofit organizations to use the human DEC-205 receptor patent rights for educational and research purposes. The Company may be required to pay milestones of up to $3.9 million upon obtaining first approval for commercial sale in a first indication of a product targeting the licensed receptor and royalty payments in the low- to mid-single digits on any net product sales to Rockefeller with respect to development and commercialization of the human DEC-205 receptor.

Duke University Brain Tumor Cancer Center (Duke)

In September 2006, the Company and Duke entered into a license agreement that gave the Company access and reference to the clinical data generated by Duke and its collaborators in order for the Company to generate its own filing with the FDA relating to rindopepimut. The Company may be required to pay milestone of up to $1.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Duke with respect to development and commercialization of rindopepimut.

Ludwig Institute for Cancer Research (Ludwig)

In October 2006, the Company and Ludwig entered into an agreement for the nonexclusive rights to certain cancer tumor targets for use in combination with the Company's APC Targeting Technology. The term of the agreement is for ten years. The Company may be required to pay milestones of up to $1.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Ludwig with respect to development and commercialization of the technology licensed from Ludwig.

Alteris Therapeutics, Inc. (Alteris)

In October 2005, the Company completed the acquisition of the assets of Alteris, including the EGFRvIII molecule. The Company may be required to pay Alteris up to $5.0 million upon obtaining the first approval for commercial sale of a product containing EGFRvIII, including rindopepimut.

Thomas Jefferson University (TJU)

In connection with our acquisition of the assets of Alteris, the Company obtained the rights to two exclusive license agreements with TJU dated February 2003 related to the EGFRvIII tumor antigen. Under these licenses, the Company may be required to pay milestones of up to $3.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to TJU with respect to development and commercialization of rindopepimut.

University of Southampton, UK (Southampton)

In November 2008, the Company entered into a license agreement with Southampton to develop human antibodies towards CD27, a potentially important target for immunotherapy of various cancers. The Company may be required to pay milestones of up to approximately $1.4 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Southampton with respect to development and commercialization of CDX-1127

Amgen Inc. (Amgen)

In March 2009, the Company entered into a license agreement with Amgen to acquire the exclusive rights to CDX-301 and CD40 ligand (CD40L). CDX-301 and CD40L are immune modulating molecules that increase the numbers and activity of immune cells that control immune responses. The Company may be required to pay milestones of up to $1.0 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the low-single digits on any net product sales to Amgen with respect to development and commercialization of the technology licensed from Amgen, including CDX-301.

Seattle Genetics, Inc. (Seattle Genetics)

In connection with the CuraGen acquisition, the Company assumed the license agreement between CuraGen and Seattle Genetics whereby CuraGen acquired the rights to proprietary antibody-drug conjugate (ADC) technology for use with the Company's proprietary antibodies for the potential treatment of cancer. The Company may be required to pay milestones of up to $7.5 million upon obtaining first approval for commercial sale in a first indication and royalty payments in the mid-single digits on any net product sales to Seattle Genetics with respect to development and commercialization of the ADC technology, including CDX-011 and CDX-014.