FOR IMMEDIATE RELEASE

NATICK, MA, USA May 27, 2008

Cognex Sues MvTec

Lawsuit Claims Infringement of Cognex’s Machine Vision Patents

NATICK, MA, May 27, 2008—Cognex Corporation (NASDAQ: CGNX) announced today that it has filed a complaint against MvTec Software GmbH and its U.S. subsidiary, MvTec LLC (known collectively as MvTec).  The complaint was filed in the United States District Court for the District of Massachusetts in Boston.

The complaint by Cognex alleges that MvTec’s Halcon™ machine vision software infringes the claims of at least seven Cognex patents. Cognex is asking the court to enjoin MvTec from making and selling the infringing software, and is seeking unspecified damages in compensation for past infringement. Fuji America Corporation, a company selling semiconductor capital equipment that incorporates MvTec’s Halcon software, is also named in the complaint.

“Cognex takes a very strong stand on intellectual property rights, whether we are defending our technology or asserting our patents,” said Dr. Robert J. Shillman, Chairman and Chief Executive Officer of Cognex.  “Our success in past cases….against Acacia Research Corporation just last week, and against the Lemelson Partnership in 2004….together with this current action show our fierce determination to protect the advanced machine vision technology that our engineers have developed.”

Dr. Shillman continued, “Cognex has made a very significant investment in R&D over the years, and we have a responsibility to both our investors and to our customers who have paid for Cognex proprietary technology to protect that investment.  We will be firm in defending our technology against any vision company that makes, uses or sells products that we believe infringe our patents, and any user or manufacturer of equipment that incorporates such products.”

CONTACT:
Robin Pratt
Sr. Manager, Corporate Communications
Cognex Corporation
phone:  (508) 650-3384
email: robin.pratt@cognex.com

About Cognex Corporation

Cognex Corporation (“the Company” or “Cognex”) invents and commercializes technologies that address some of the most critical manufacturing and distribution challenges. We are a leading global provider of machine vision products and solutions that improve efficiency and quality in high-growth-potential businesses across attractive industrial end markets. Our solutions blend physical products and software to capture and analyze visual information, allowing for the automation of manufacturing and distribution tasks for customers worldwide. Machine vision products are used to automate the manufacturing or distribution and tracking of discrete items, such as mobile phones, electric vehicle batteries and e-commerce packages, by locating, identifying, inspecting, and measuring them. Machine vision is important for applications in which human vision is inadequate to meet requirements for size, accuracy, or speed, or in instances where substantial cost savings or quality improvements are maintained.

Cognex is the world's leader in the machine vision industry, having shipped more than 4 million image-based products, representing over $10 billion in cumulative revenue, since the company's founding in 1981. Headquartered in Natick, Massachusetts, USA, Cognex has offices and distributors located throughout the Americas, Europe, and Asia. For details, visit cognex.com.

IR Contact
Nathan McCurren
Head of Investor Relations
Cognex Corporation
ir@cognex.com

Media Contact
Jeremy Sacco
Senior Manager, Global Content Marketing
Cognex Corporation
pr@cognex.com

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