As filed with the Securities and Exchange Commission on June 12, 2007 Registration No. __________________ United States Securities and Exchange Commission Washington, D.C. 20549 Post - Effective Amendment No. 2 Form S-8 Registration Statement Under The Securities Act of 1933 Proton Laboratories, Inc. (Exact Name of Registrant as specified in its charter) Washington 91-2022700 (State or Other Jurisdiction of (I.R.S. Employer Incorporation or Organization) Identification Number) Proton Laboratories, Inc. 1135 Atlantic Avenue, Suite 101, Alameda, CA 94501 Alameda, California 94501 voice: (510) 865-6412 fax: (510) 865-9385 (Address and telephone number of principal executive offices and principal place of business) April 18,2007 Stock and Stock Option Plan (Full Title of the Plan) Edward Alexander, Chief Executive Officer and President 1135 Atlantic Avenue, Suite 101, Alameda, CA 94501 Alameda, California 94501 voice: (510) 865-6412 fax: (510) 865-9385 This amendment is provided to the S-8 Registration Statement filed on May 16, 2007 for Proton Laboratories, Inc. for 4,200,000 shares of voting common stock of the Company ("Initial Filing"). This amendment is provided solely to clarify that the only reason for the Post-Effective Amendment filed on May 21, 2007 ("First Post-Effective Amendment") was to update the Initial Filing to reflect reference to the Company's 10-Q filed on May 17, 2007 and to provide updated auditor and attorney letters to this regard. The Company attempted to file the Initial Filing on May 15, 2007. However its Edgar filer did not make the filing until May 16, 2007. The Company's auditor then advised that the financial statements referenced in the Initial Filing were "stale" in light of the Company's pending first quarter 10-Q filing. To rectify the situation, the Company's auditor and its attorney provided updated opinion letters following the filing of the Company's 10-Q on May 17th, 2007 and the first Post -Effective Amendment was filed on May 21, 2007 to reflect these letters and to make reference to the newly filed 10-Q. No other substantive change was made to the amendment, save for updated officer signatures. No sales have been made pursuant to this registration prior to the filing of this Second Post-Effective Amendment. A letter from the Company's counsel confirming the contents of this Amendmentis attached in Exhibit 99. Item 8. Exhibits. Exhibit Number Exhibit Name 99.1 Letter from Counsel. SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant, Proton Laboratories, Inc., certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Alameda, State of California, on June 11, 2007. Proton Laboratories, Inc. /s/ Edward Alexander Edward Alexander Director, Chief Executive Officer and Chief Financial Officer Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated. Signature Title Date -------------------------------------------------------------------------------- /s/ Edward Alexander Director, Chief Executive June 12, 2007 Edward Alexander Officer and Chief Financial Officer