Company:  CIENA CORP (CIEN)
Form Type:  8-K
Filing Date:  10/5/2009 
CIK:  0000936395 
Address:  1201 WINTERSON ROAD 
City, State, Zip:  LINTHICUM, Maryland 21090 
Telephone:  (410) 865-8500 
Fiscal Year:  10/31 
Last Trade
Last Trade: 
$13.17  
Change: 
-0.30 (-2.23%)  
Trade Time: 
Nov 20  
Market Cap: 
$1.21B
Description of Business
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  FORM 8-K
    SECTION 7 REGULATION FD
      ITEM 7.01 - REGULATION FD DISCLOSURE
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      ITEM 9.01 - FINANCIAL STATEMENTS AND EXHIBITS
    SIGNATURES
  EXHIBIT 99.1