EXHIBITS 5.1 AND 23.1 OPINION OF THE BUSINESS LAW GROUP, LLP {LETTERHEAD OF THE BUSINESS LAW GROUP, LLP February 12, 2003 QT 5, Inc. 5655 Lindero Canyon Road Suite 120 Westlake Village, CA 91360 Re: QT 5, Inc. 2000 Stock Option Plan Ladies and Gentlemen: We have acted as counsel to QT 5, Inc., a Delaware corporation ("QT 5") in connection with the registration with the Securities and Exchange Commission on Form S-8 of shares of QT 5's common stock, par value $.15 (the "Shares"), which may be issued in connection with the above-referenced plan (the "Plan"). In connection with that registration, we have reviewed the proceedings of the Board of Directors of QT 5 relating to the registration and proposed issuance of the common stock, the Articles of Incorporation of QT 5 and all amendments thereto, the Bylaws of QT 5 and all amendments thereto, and such other documents and matters as we have deemed necessary to the rendering of the following opinion. Based upon that review, it is our opinion that the Shares when issued in conformance with the terms and conditions of the Plan, will be legally issued, fully paid, and nonassessable under the Delaware General Corporation Law. We do not find it necessary for the purposes of this opinion to cover, and accordingly we express no opinion as to, the application of the securities or blue sky laws of the various states as to the issuance and sale of the Shares. We consent to the use of this opinion in the registration statement filed with the Securities and Exchange Commission in connection with the registration of the Shares and to the reference to our firm under the heading "Interests of Named Experts and Counsel" in the registration statement. Very truly yours, THE BUSINESS LAW GROUP, LLP /s/CHRISTOPHER W. EWING - ----------------------- By Christopher W. Ewing