Form 8-K



Washington, D.C. 20549








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


Date of Report (Date of earliest event reported) June 6, 2005



Rambus Inc.

(Exact name of registrant as specified in its charter)



Delaware   000-22339   94-3112828

(State or other jurisdiction

of incorporation)

  (Commission File Number)  

(IRS Employer

Identification No.)


4440 El Camino Real, Los Altos, California   94022
(Address of principal executive offices)   (Zip Code)


Registrant’s telephone number, including area code (650) 947-5000



(Former name or former address, if changed since last report)



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 Exchange 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))


Section 1 – Registrant’s Business and Operations


Section 8 – Other Information.


Item 8.01 Other Events


On June 6, 2005, Rambus Inc. (the “Registrant”) issued a press release announcing that it had:


    added Samsung Electronics (“Samsung”) as a defendant in its pending patent infringement suit in the U.S. District Court for the Northern District of California regarding the alleged infringement of its patented inventions by Samsung’s DDR2 memory devices and GDDR2 and GDDR3 graphics memory devices; and


    filed a separate suit naming Samsung as a defendant in claims alleging infringement of Registrant’s patents by Samsung SDRAM and DDR DRAM memory types as a well as controllers working with these memory types.


A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein.


Section 9 – Financial Statements and Exhibits


Item 9.01 Financial Statements and Exhibits


  (c) Exhibits


99.1    Press Release dated June 6, 2005.





Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


Date: June 9, 2005       Rambus Inc.

/s/ Robert K. Eulau


Robert K. Eulau, Senior Vice President, Finance and

Chief Financial Officer



Exhibit Index




Exhibit Title

99.1   Press release dated June 6, 2005.