| Filed On | Filing |
|---|---|
| 25 Mar 2011 | DEF 14A |
| 01 Apr 2010 | DEF 14A |
| 01 Apr 2009 | DEF 14A |
| 10 Apr 2008 | DEF 14A |
| 12 Apr 2007 | DEF 14A |
| 13 Apr 2006 | DEF 14A |
| 13 Apr 2005 | DEF 14A |
| 05 Apr 2004 | DEF 14A |
| 16 Apr 2003 | DEF 14A |
| 10 Apr 2002 | NPS |
| 12 Apr 2001 | DEF 14A |
| 05 Apr 2000 | CEPHALON 1999 NOTICE AND PROXY STATEMENT |
| 12 Apr 1999 | CEPHALON, INC. NOTICE AND PROXY STATEMENT |
| 16 Apr 1998 | DEFINITIVE SCHEDULE 14A CEPHALON, INC. |
| 26 Mar 1997 | DEFINITIVE PROXY MATERIALS, CEPHALON INC. |
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