SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ______________ FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) - December 17, 2001 ----------------- ANWORTH MORTGAGE ASSET CORPORATION ---------------------------------- (Exact name of Registrant as specified in its Charter) Maryland 001-13709 52-2059785 -------- --------- ---------- (State or Other Jurisdiction (Commission (I.R.S. Employer of Incorporation or Organization) File Number) Identification No.) 1299 Ocean Avenue, Suite 200, Santa Monica, California 90401 - ------------------------------------------------------- ---------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (310) 394-0115 -------------- Not Applicable --------------------------------------------------------- (Former Name or Former Address, if Changed since Last Report) Item 7. Exhibits. (a) Not Applicable. (b) Not Applicable. (c) Exhibits. Exhibit 99.1 ------------ Press Release dated December 17, 2001 of the Registrant. Item 9. Registration FD Disclosure. On December 17, 2001, Anworth Mortgage Asset Corporation issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference. -2- SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. ACACIA RESEARCH CORPORATION Date: December 17, 2001 By: /s/ Lloyd McAdams ------------------------------ Name: Lloyd McAdams Title: Chairman and Chief Executive Officer -3- EXHIBIT INDEX ------------- Exhibit Number Description - -------------- ----------- 99.1 Press Release dated December 17, 2001, of the Registrant. EXHIBIT INDEX -1-