Company:  DYAX CORP (DYAX)
Form Type:  10-K
Filing Date:  3/2/2012 
CIK:  0000907562 
Address:  55 NETWORK DRIVE 
City, State, Zip:  BURLINGTON, Massachusetts 01803-2756 
Telephone:  617-250-5769 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$6.73  
Change: 
-0.07 (-1.03%)  
Trade Time: 
Apr 17  
Market Cap: 
$913.79M
Description of Business
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  FORM 10-K
    PART I
      ITEM 1.?BUSINESS
      ITEM 1A. RISK FACTORS
      ITEM 1B. UNRESOLVED STAFF COMMENTS
      ITEM 2. PROPERTIES
      ITEM 3. LEGAL PROCEEDINGS
      ITEM 4. MINE SAFTEY DISCLOSURES
    PART II
      ITEM 5. MARKET FOR THE COMPANY'S COMMON EQUITY, RELATED ...
      ITEM 6. SELECTED CONSOLIDATED FINANCIAL DATA
      ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL ...
        RESULTS OF OPERATIONS
        LIQUIDITY AND CAPITAL RESOURCES
      ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT ...
      ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
        BALANCE SHEET
        BALANCE SHEET
        INCOME STATEMENT
        STOCKHOLDERS EQUITY
        CASH FLOW
        Notes to Consolidated Financial Statements
      ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ...
      ITEM 9A. CONTROLS AND PROCEDURES
      ITEM 9B. OTHER INFORMATION
    PART III
      ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
      ITEM 11. EXECUTIVE COMPENSATION
      ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND ...
      ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND ...
      ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES
    PART IV
      ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES
    SIGNATURES
  EXHIBIT 10.1(E)
  EXHIBIT 10.8(B)
  EXHIBIT 10.8(C)
  EXHIBIT 10.14(C)
  EXHIBIT 10.18(B)
  EXHIBIT 10.19
  EXHIBIT 21.1
    SUBSIDIARIES
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
  EXHIBIT 31.2
  EXHIBIT 32.1
    Certification of Periodic Financial Report
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