**Exhibit 12.1**

**Cephalon,Inc**

**Computationof Ratio of Earnings to Fixed Charges**

**(Amountsin thousands)**
| ** **                                                                          | ** ** | **2002** | ** ** | **2003** | ** ** | **2004** | ** ** | **2005** | ** ** | **2006** | ** ** |
|-------------------------------------------------------------------------------------|------------|----------|------------|----------|------------|----------|------------|----------|------------|----------|------------|
| Determination of  Earnings:                                                         |       |     |       |     |       |     |       |     |       |     |       |
| Pre-tax income (loss)  from continuing operations                                   |       | $        | 62,433     |     | $          | 130,314  |       | $        | (28,184    | )        | $          | (245,118 | ) | $ | 238,254 |   |
| Add:                                                                                |       |     |       |     |       |     |       |     |       |     |       |
| Amortization of  interest capitalized in current or prior periods                   |       | —   |       | —   |       | —   |       | —   |       | 52       |       |
| Fixed charges                                                                       |       | 39,648   |       | 31,191   |       | 25,623   |       | 30,985   |       | 28,171   |       |
| Total Earnings                                                                      |       | $        | 102,081    |     | $          | 161,505  |       | $        | (2,561     | )        | $          | (214,133 | ) | $ | 266,477 |   |
|                                                                                |       |     |       |     |       |     |       |     |       |     |       |
|                                                                                |       |     |       |     |       |     |       |     |       |     |       |
| Fixed charges:                                                                      |       |     |       |     |       |     |       |     |       |     |       |
| Interest expense  and amortization of debt discount and premium on all indebtedness |       | 38,215   |       | 28,905   |       | 22,186   |       | 25,235   |       | 18,922   |       |
| Appropriate  portion of rentals                                                     |       | 1,433    |       | 2,286    |       | 3,437    |       | 5,750    |       | 9,249    |       |
| Preferred stock  dividend requirements of consolidated subsidiaries                 |       | —   |       | —   |       | —   |       | —   |       | —   |       |
| Fixed charges                                                                       |       | 39,648   |       | 31,191   |       | 25,623   |       | 30,985   |       | 28,171   |       |
|                                                                                |       |     |       |     |       |     |       |     |       |     |       |
| Capitalized  interest                                                               |       | —   |       | —   |       | —   |       | 1,044    |       | 1,766    |       |
|                                                                                |       |     |       |     |       |     |       |     |       |     |       |
| Total Fixed Charges                                                                 |       | $        | 39,648     |     | $          | 31,191   |       | $        | 25,623     |     | $          | 32,029 |   | $ | 29,937 |   |
|                                                                                |       |     |       |     |       |     |       |     |       |     |       |
| Ratio of earnings to  fixed charges (1)                                             |       | 2.57     |       | 5.18     |       | —   |       | —   |       | 8.90     |       |
|                                                                                |       |     |       |     |       |     |       |     |       |     |       |
| Deficiency of earnings to fixed charges                                             |       | —   |       | —   |       | 28,184   |       | 246,162  |       | —   |       |

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(1)  For theyears ended December 31, 2004 and 2005 no ratios are provided because earningswere insufficient to cover fixed charges and fixed charges and preferreddividends, respectively.

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