Annual report pursuant to Section 13 and 15(d)

Description of Business

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Description of Business
12 Months Ended
Dec. 31, 2011
Description of Business [Abstract]  
Description of Business
1.
Description of Business

XOMA Corporation (“XOMA” or the “Company”), a Delaware corporation, discovers and develops innovative antibody-based therapeutics. The Company's products are presently in various stages of development and most are subject to regulatory approval before they can be commercially launched.