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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

~~FORM 8-K~~ __________

~~CURRENT~~FORM ~~REPORT~~ 8-K

CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (~~Date~~date of earliest event reported): August 10, 2004

PRIMUS KNOWLEDGE SOLUTIONS, INC. (Exact name of registrant as specified in its charter)

(Exact name of registrant as specified in its charter)


Washington	000-26273	91-1350484
(State or other jurisdiction of incorporation)	(Commission file number)	(IRS employer identification no.)

Washington	000-26273	91-1350484
1601 Fifth Avenue, Suite 1900, Seattle, Washington		98101
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)
(Address of principal executive offices)		(Zip code)

~~1601~~ Registrant’s ~~Fifth~~telephone ~~Street~~number, ~~Suite~~ ~~1900~~including ~~Seattle,~~area ~~Washington~~code: ~~98101~~ (206) 834-8100

Not Applicable (~~Address~~Former ofName ~~principal~~or ~~executive~~Former ~~offices)~~Address, ~~(Zip~~if ~~Code)~~Changed Since Last Report)

~~Registrant’s~~TABLE ~~telephone~~OF ~~number, including area code: (206) 834-8100~~ CONTENTS

Item 5. Other Events and Required FD Disclosure. Item 7. Financial Statements, Pro Forma Financial Information and Exhibits. SIGNATURES Exhibit Index EX-99.1 AGREEMENT AND PLAN OF MERGER EX-99.2 FORM OF VOTING AGREEMENT

OnTable August 10, 2004, we announced that we have agreed to be acquired by Art Technology Group, Inc., a Delaware corporation (“ATG”). A copy of the joint press release we issued with ATG on August 10, 2004 is filed as an exhibit to, and incorporated by reference in, this current report. Contents

Item 75. ~~Financial~~Other ~~Statements,~~Events ~~Pro~~and ~~Forma~~Required ~~Financial~~FD ~~Information and Exhibits~~Disclosure.

On August 10, 2004, we announced that we have entered into a definitive agreement and plan of merger with Art Technology Group, Inc., a Delaware corporation (c“ATG”). ~~Exhibits~~In connection with the merger agreement, certain of our shareholders holding approximately 14.6% of our outstanding common stock have entered into voting agreements with ATG, pursuant to which such shareholders have agreed to vote in favor of the merger. Copies of the agreement and plan of merger and the form of voting agreement are attached as exhibits 99.1 and 99.2 to, and incorporated by reference in, this current report.

Number		Title
99.1		Joint Press Release of Art Technology Group, Inc. and Primus Knowledge Solutions, Inc., dated August 10, 2004.

Item 7. Financial Statements, Pro Forma Financial Information and Exhibits.

~~SIGNATURES~~ (c) Exhibits.

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.


Number		Title

99.1		Agreement and Plan of Merger dated as of August 10, 2004, by and among Art Technology Group, Inc., Autobahn Acquisition, Inc. and Primus Knowledge Solutions, Inc.

99.2		Form of Voting Agreement dated as of August 10, 2004, by and between Art Technology Group, Inc. and certain individual shareholders of Primus Knowledge Solutions, Inc.

	PRIMUS KNOWLEDGE SOLUTIONS, INC.
	(Registrant)
Dated: August 10, 2004	By:	/s/ Ronald M. Stevens
	Name:	Ronald M. Stevens
	Title:	Chief Financial Officer

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Exhibit No.		Description
99.1		Press release issued by the Company, dated August 10, 2004.

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.


	PRIMUS KNOWLEDGE SOLUTIONS, INC.

Dated: August 17, 2004	By:	/s/ David Williamson
		David Williamson Executive Vice President Business Affairs, General Counsel and Secretary

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Exhibit Index


Number		Title

99.1		Agreement and Plan of Merger dated as of August 10, 2004, by and among Art Technology Group, Inc., Autobahn Acquisition, Inc. and Primus Knowledge Solutions, Inc.

99.2		Form of Voting Agreement dated as of August 10, 2004, by and between Art Technology Group, Inc. and each of certain individual stockholders of Primus Knowledge Solutions, Inc.

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