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Royalty Agreements | 12 Months Ended
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Dec. 31, 2014
Royalty Agreements [Abstract] |
Royalty Agreements | ROYALTY AGREEMENTS During 2010, in connection with our acquisition of BioSphere, we entered into a running royalty agreement as part of a partnership between BioSphere and L’Assistance Publique-Hôpitaux de Paris, referred to as “AP-HP,” pursuant to which AP-HP has granted us the exclusive license to use two United States patents and their foreign counterparts that we jointly own with AP-HP relating to microspheres. We are required to pay to AP-HP a royalty on the commercial sale of any products that incorporate technology covered by the subject patents. We may sublicense these exclusive rights under the agreement only with the prior written consent of AP-HP, which consent cannot be unreasonably withheld. Under the terms of the royalty agreement, our exclusive license extends for both (i) the term of jointly owned U.S. and foreign counterpart patents and (ii) as long as the products and specialties implementing the patents are marketed. BioSphere filed patent applications which, if issued, will expire in approximately January 2031. The royalty rate in the agreement is 5.0% of net sales until the patents expire, and 2.5% of net sales thereafter as long as the product is sold. We paid or accrued approximately $1.5 million, $1.3 million and $1.4 million in royalty payments to AP-HP for the years ended December 31, 2014, 2013 and 2012, respectively. See Note 2 for a discussion of additional future royalty commitments related to acquisitions.

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