EXHIBIT 23.1

                  CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

We hereby consent to the incorporation by reference of our report dated
December 26, 2001 relating to the financial statements of Lafon Group in the
Registration Statements on Forms S-3 (Nos. 33-74320, 333-20321, 333-75281,
333-88985, 333-94219, 333-59410 and 333-62234) and Forms S-8 (Nos. 33-43716,
33-71920, 333-02888, 333-69591, 333-89909, 333-87421, 333-52640, 333-43104) of
Cephalon, Inc.


Paris, France
February 8, 2002


Befec-Price Waterhouse
Member of PricewaterhouseCoopers


/s/ LILIANE TELLIER
- --------------------------------
Liliane Tellier
Partner