CORRECTING and REPLACING PTO Issues Initial Office Action on Tessera Patent

Tessera Patent Valid Throughout Lengthy Reexamination Process
SAN JOSE, Calif.--(Business Wire)--
Please replace the release with the following corrected version
due to multiple revisions.

The corrected release reads:

PTO ISSUES INITIAL OFFICE ACTION ON TESSERA PATENT

Tessera Patent Valid Throughout Lengthy Reexamination Process

Tessera Technologies, Inc. (Nasdaq:TSRA), a leading provider of
miniaturization technologies for the electronics industry, today
announced that the U.S. Patent and Trademark Office (PTO) has issued
an initial office action in the ex parte reexamination of Tessera's
U.S. Patent Number 5,679,977 ('977 patent) rejecting certain claims of
the patent. This initial action is preliminary and non-final, and
Tessera will be filing a response to the action. The '977 patent is
presumed to be valid, intact and enforceable during the reexamination
process.

About Tessera Technologies, Inc.

Tessera is a leading provider of miniaturization technologies for
the electronics industry. Tessera provides a broad range of advanced
packaging, interconnect, and consumer optics solutions which are
widely adopted in high-growth markets including consumer, computing,
communications, medical and defense electronics. Tessera's customers
include the world's top semiconductor companies such as Intel,
Samsung, Texas Instruments, Toshiba, Micron and Infineon. The
company's stock is traded on the NASDAQ Stock Market under the symbol
TSRA. Tessera is headquartered in San Jose, California.
www.tessera.com.

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. 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, 2007, include more information about factors
that could affect the company's financial results.

Tessera and the Tessera logo are registered trademarks of Tessera.
All other company, brand and product names may be trademarks or
registered trademarks of their respective companies.

Tessera Technologies, Inc.
Charlie Webster, 408-894-0700
Chief Financial Officer
or
Moriah Shilton, 408-952-4356
Investor Relations

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