Tessera to Exhibit at SEMICON West 2009

SAN JOSE, Calif.--(Business Wire)--
Tessera Technologies, Inc. (Nasdaq:TSRA) will be exhibiting a range of its
miniaturization technologies, from advanced semiconductor packaging solutions to
micro-optic illumination system solutions, at SEMICON West, July 13-17, 2009.

* μPILR interconnect technology enables finer contact pitch, lower profile,
improved performance and higher reliability for package-on-package (PoP)
applications and other mobile electronics
* DigitalOptics micro-optic solutions offer high-performance diffractive optics
for semiconductor manufacturing and inspection tools including free-form,
pixilated designs for source mask optimization

WHERE: SEMICON West 2009
Booth #722, South Hall (semiconductor packaging)
Booth #6159, North Hall (micro-optics)
Moscone Center
747 Howard Street
San Francisco, California

Safe Harbor Statement

This press release contains forward-looking statements, which are made pursuant
to the safe harbor provisions of the Private Securities Litigation Reform Act of
1995. Forward-looking statements involve risks and uncertainties that could
cause actual results to differ significantly from those projected, particularly
with respect to Tessera`s participation in the SEMICON West show, the subject
matter of any Tessera exhibit, and the functionality and performance of
Tessera`s miniaturization technologies. Material factors that may cause results
to differ from the statements made include delays, setbacks or losses relating
to our intellectual property or intellectual property litigations, or any
invalidation or limitation of our key patents; fluctuations in our operating
results due to the timing of new license agreements and royalties, or due to
legal costs; changes in patent laws, regulation or enforcement, or other factors
that might affect our ability to protect our intellectual property; the risk of
a decline in demand for semiconductor products; failure by the industry to adopt
our technologies; competing technologies; the future expiration of our patents;
the future expiration of our license agreements and the cessation of related
royalty income; the failure or refusal of licensees to pay royalties; failure to
achieve the growth prospects and synergies expected from acquisition
transactions; and delays and challenges associated with integrating acquired
companies with our existing businesses. You are cautioned not to place undue
reliance on the forward-looking statements, which speak only as of the date of
this release. Tessera's filings with the Securities and Exchange Commission,
including its Annual Report on Form 10-K for the year ended December 31, 2008
and its Quarterly Report on Form 10-Q for the quarter ended March 31, 2009,
include more information about factors that could affect the company's financial
results. Tessera assumes no obligation to update information contained in this
press release. Although this release may remain available on Tessera's website
or elsewhere, its continued availability does not indicate that Tessera is
reaffirming or confirming any of the information contained herein.

About Tessera

Tessera Technologies, Inc., invests in, licenses and delivers innovative
miniaturization technologies for next-generation electronic devices. The
company`s micro-electronics solutions enable smaller, higher-functionality
devices through chip-scale, 3D and wafer-level packaging technology, as well as
high-density substrate and silent air cooling technology. Tessera`s imaging and
optics solutions provide low-cost, high-quality camera functionality in
electronic products and include image sensor packaging, wafer-level optics and
image enhancement intellectual property. The company also offers customized
micro-optic lenses, from diffractive and refractive optical elements to
integrated micro-optical subassemblies. Tessera licenses its technologies, as
well as delivers products based on these technologies, to promote the
development of the supply chain infrastructure. The company is headquartered in
San Jose, California. For information call 1.408.321.6000 or go to
www.tessera.com.

Tessera, the Tessera logo, μPILR and DigitalOptics are trademarks or registered
trademarks of Tessera, Inc. or its affiliated companies in the United States and
other countries. All other company, brand and product names may be trademarks or
registered trademarks of their respective companies.

Tessera
Judy Erkanat, +1-408-321-6751
jerkanat@tessera.com
or
LEWIS PR for Tessera
Catherine Koo or Nicole Wasowski, +1-415-992-4400
Tessera@lewispr.com

Copyright Business Wire 2009