497J 1 dj080109af.txt 497J - DEFINITIVE FILING - DWS ADVISOR FUNDS Deutsche Investment Management Americas Inc. One Beacon Street Boston, MA 02108 August 3, 2009 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 RE: DWS Lifecycle Long Range Fund (the "Fund"), a series of DWS Advisor Funds (the "Trust") (Reg. Nos. 33-07404, 811-04760) Ladies and Gentlemen: Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, the Trust hereby certifies that the form of Prospectuses and Statements of Additional Information that would have been filed on behalf of the Fund pursuant to Rule 497(c) upon the effectiveness of Post-Effective Amendment No. 170 to the Trust's Registration Statement on Form N-1A (the "Amendment"), do not differ from that contained in the Amendment, which is the most recent Amendment to such Registration Statement and was filed electronically on July 29, 2009. Any comments or questions on this filing should be directed to the undersigned at (617) 295-3357. Very truly yours, /s/Thomas H. Connors Thomas H. Connors Director and Senior Counsel cc: Jennifer Goodman, Vedder Price P.C.