ScanSoft Asserts Its Key Intellectual Property for Voice-Activated Dialing on Mobile Devices; Files Patent Infringement Lawsuit against ART Technologies

U.S. Patent Covers Voice-Activated Dialing for Mobile Devices; Strategic Component of ScanSoft's Speech Portfolio for Embedded Markets

PEABODY, Mass., April 28, 2004 - ScanSoft, Inc. (NASDAQ: SSFT), the leading supplier of speech and imaging solutions, today announced that it has filed a patent infringement lawsuit against ART Advanced Recognition Technologies, Inc. in the United States District Court for the District of Massachusetts.

In its complaint, ScanSoft states that ART Advanced Recognition Technologies, Inc. infringes a ScanSoft patent that covers voice-activated dialing for mobile telephones. In the claim, ScanSoft seeks monetary damages for infringement and injunctive relief to prevent ART from continuing to infringe U.S. Patent No. 6,501,966 "Speech Recognition System for Electronic Switches in a Non-Wireline Communications Network." ScanSoft filed a similar lawsuit against Voice Signal Technologies in February 2004.

"ScanSoft has an obligation to its stakeholders to protect its intellectual property and patent portfolio," said Jo-Anne Sinclair, vice president and general counsel for ScanSoft. "Since its founding, ScanSoft has invested significant costs and resources to develop and acquire leading technologies, techniques and associated intellectual property that differentiate us from the competition. Those inventions and the intellectual property protecting those inventions are a cornerstone of our business. We take great pride in and place significant value on our patents and will aggressively protect our intellectual property rights through all available means."

In related announcement, ScanSoft today announced a new relationship in the mobile device market through a partnership with Infinity Telecom. See today's announcement, "ScanSoft and Infinity Telecom Partner to Offer Speech Applications for Mobile Devices."

ScanSoft, Inc. holds more than 425 patents in the fields of speech and imaging technologies and has made significant investments in research, development and the acquisition of intellectual property to provide its customers with unique, best-of-breed solutions. The company will continue to drive innovation through the patenting of proprietary technologies.

About ScanSoft, Inc.

ScanSoft, Inc. is the leading supplier of speech and imaging solutions that automate a wide range of manual processes - saving time, increasing worker productivity and improving customer service. For more information regarding ScanSoft products and technologies, please visit http://www.scansoft.com.

ScanSoft and the ScanSoft logo are registered trademarks or trademarks of ScanSoft, Inc. in the United States and other countries. All other company or product names mentioned herein may be the trademarks of their respective owners.

Safe Harbor Statement

The foregoing contains "forward-looking statements" which are based on management's beliefs as well as on a number of assumptions concerning future events made by and information currently available to management. Readers are cautioned not to put undue reliance on such forward-looking statements, which are not a guarantee of performance and are subject to a number of uncertainties and other factors, many of which are outside ScanSoft's control, which could cause actual results to differ materially from such statements. Such risks and uncertainties include, without limitation: the Company's success in protecting key components of its intellectual property; the Company's success in the lawsuit described above; the ability of the patent mentioned in this release to withstand challenges by competitors; the inherent risks and uncertainties associated with market acceptance of new technologies, as well as the ability to obtain intellectual property protection for additional technologies. For a more detailed description of the factors that could cause such a difference, please see ScanSoft's filings with the Securities and Exchange Commission. ScanSoft disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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