Exhibit 99.1



Company Contact:    Investor Relations Contact:
Charlie Webster    Lippert/Heilshorn & Associates
Chief Financial Officer    Kirsten Chapman/Moriah Shilton
Mike Forman    415-433-3777
Vice President, Finance    mshilton@lhai.com



- 2006 Royalties and License Fees Grew 75 Percent Versus 2005 -

San Jose, Calif., January 31, 2007 – Tessera Technologies, Inc. (Nasdaq: TSRA), a leading provider of miniaturization technologies for the electronics industry, announced today its results for the fourth quarter and twelve-month period ended December 31, 2006. Additionally, in a separate release today, Tessera announced the execution of a definitive agreement with respect to the acquisition of Eyesquad, a leader in the development and design of solid-state auto-focus and optical zoom solutions for camera phones and other electronic products that integrate cameras.

“Tessera posted a strong fourth quarter with revenue of $50.3 million led by royalties and license fees growth of 97 percent over the fourth quarter 2005,” stated Bruce McWilliams, Tessera’s chairman, president and chief executive officer. “For the year, Tessera’s full year 2006 revenue of $208.7 million included $99.6 million in royalties and license fees and was up 120 percent compared to 2005. Tessera exited 2006 collecting royalties on approximately 60 percent of the units shipped using its CSP technology, up from an average of 36 percent in 2005. New licensees for 2006 such as Infineon, Micron, NXP, formerly Philips Semiconductors, and Qimonda were major contributors to this growth. The licensing pipeline in our packaging, interconnect, and consumer optics business is robust, and we believe our royalties and license fees will grow roughly 55 percent in 2007 as compared to a very strong 2006.”

Revenue Highlights: Fourth Quarter 2006


    Total revenue was $50.3 million.


    Royalties and license fees were $34.8 million.


    Payments for past production were $5.5 million.


    Product and service revenues were $10.0 million.

Generally accepted accounting principles (GAAP) net income for the fourth quarter of 2006 was $13.8 million, or $0.28 per diluted share. Pro forma net income for the fourth



The following information was filed by Tessera Technologies Inc (TSRA) on Wednesday, January 31, 2007 as an 8K 2.02 statement, which is an earnings press release pertaining to results of operations and financial condition. It may be helpful to assess the quality of management by comparing the information in the press release to the information in the accompanying 10-K Annual Report statement of earnings and operation as management may choose to highlight particular information in the press release.

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