UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 31, 2008

ALTERA CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	0-16617	77-0016691
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

101 Innovation Drive, San Jose, California	95134
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (408) 544-7000

Not Applicable

(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:

¨ 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))

Item 2.02. Results of Operations and Financial Condition.

On January 31, 2008, Altera Corporation issued a press release announcing its financial results for the fourth quarter of 2007. A copy of the press release is furnished as Exhibit 99.1 to this report.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1     Press release dated January 31, 2008

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.

ALTERA CORPORATION

/s/ Timothy R. Morse

Timothy R. Morse, Senior Vice President and

Chief Financial Officer

Dated: January 31, 2008

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press release dated January 31, 2008