UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the month of: ~~May~~June 2015 ~~(Report No. 3)~~

Commission File Number: 000-30827

CLICKSOFTWARE TECHNOLOGIES LTD.

(Translation of registrant's name into English)

94 Em Hamoshavot Road

Petach Tikva 49527, Israel

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ~~x Form~~ X Form 40-F ¨ __

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulations S-T Rule 101(b)(1):_____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulations S-T Rule 101(b)(7):_____

~~Indicate~~ClickSoftware byTechnologies ~~check~~Ltd. ~~mark~~(the “Company”) and its Board of Directors, ~~whether~~and ~~the~~Francisco ~~registrant~~Partners, byLP ~~furnishing~~and certain of its affiliates, have been named as defendants in a shareholder ~~the~~derivative ~~information~~and ~~contained~~direct class action complaint filed in ~~this~~the ~~Form~~Orange isCounty ~~also~~Superior ~~thereby~~Court ~~furnishing~~of California. As of the ~~information~~date toof this filing, neither the ~~Commission~~Company ~~pursuant~~nor toany ~~Rule~~of ~~12g3-2(b)~~the members of its Board of Board of Directors have been served. The complaint alleges, among other ~~under~~things, certain breaches of fiduciary duty in connection with the ~~Securities~~definitive ~~Exchange~~Agreement ~~Act~~and Plan of ~~1934~~Merger, dated April 30, 2015, among the Company, Optimizer Topco S.A.R.L. and Optimizer Merger Holdings Ltd. The Company believes that this complaint is without merit and, if served, will vigorously defend the claims alleged.

~~Yes ¨ No x~~ The contents of this Form 6-K of CLICKSOFTWARE TECHNOLOGIES LTD. are incorporated by reference into the Registration Statements on Form S-8 (registration numbers 333-42000, 333-115003, 333-135435, 333-141307, 333-149825, 333-158839, 333-166028,333-173200, 333-180433, and 333-187488) of the Company, filed with the Securities and Exchange Commission, to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): ___

Attached hereto and incorporated by reference herein is the Registrant's Proxy Card for the Special General Meeting of Shareholders to be held on June 11, 2015 (the “Meeting”).

The Proxy Card attached to this Form 6-K of CLICKSOFTWARE TECHNOLOGIES LTD. is incorporated by reference into the Registration Statements on Form S-8 (registration numbers 333-42000, 333-115003, 333-135435, 333-141307, 333-149825, 333-158839, 333-166028,333-173200, 333-180433, and 333-187488) of the Company, filed with the Securities and Exchange Commission, to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

SIGNATURE

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, thereunto duly authorized.

	CLICKSOFTWARE TECHNOLOGIES LTD.
	(Registrant)

	By:	/s/ Joel Jeselsohn
		Name: Joel Jeselsohn Title: Chief Financial Officer

Date: ~~May~~June 201, 2015

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