UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): July 11, 2006 DUSA PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) NEW JERSEY 0-19777 22-3103129 (State or other jurisdiction of (Commission File (IRS Employer incorporation) Number) Identification Number) 25 UPTON DRIVE WILMINGTON, MASSACHUSETTS 01887 (Address of principal executive offices, including ZIP code) (978) 657-7500 (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Securities Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ITEM 8.01 - OTHER EVENTS. DUSA Pharmaceuticals, Inc. ("DUSA") issued a press release on July 11, 2006, reporting that it has filed lawsuits against physicians in California, Florida and Ohio, alleging infringement of patents exclusively licensed to DUSA which cover use of DUSA's Levulan(R) brand of aminolevulinic acid (ALA). Additionally, a suit has been filed against a chemical supplier of ALA in Arizona. These suits are part of DUSA's ongoing campaign to protect its intellectual property. Except for historical information, this report, including the exhibit, contains certain forward-looking statements that involve known and unknown risk and uncertainties, which may cause actual results to differ materially from any future results, performance or achievements expressed or implied by the statements made. These forward-looking statements relate to the Company's intention to continue its campaign to protect its intellectual property and its constituents. Furthermore, the factors that may cause differing results include the uncertainties of litigation, sufficient funding, maintenance of its patent portfolio and other risks identified in DUSA's SEC filings from time to time. ITEM 9.01 - FINANCIAL STATEMENT AND EXHIBITS. Item No. Description -------- ----------- 99 Press Release, dated July 11, 2006 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. DUSA PHARMACEUTICALS, INC. By: /s/ D. Geoffrey Shulman ------------------------------------ D. Geoffrey Shulman, MD, FRCPC Chairman of the Board and Chief Executive Officer Dated: July 11, 2006 EXHIBIT INDEX Item No. Description -------- ----------- 99 Press Release, dated July 11, 2006