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PiE DESIGN SYSTEMS ACQUIRES SEMINAL PATENT IN LOGIC EMULATION FIELD

 PiE DESIGN SYSTEMS ACQUIRES SEMINAL PATENT IN LOGIC EMULATION FIELD
 SUNNYVALE, Calif., Aug. 7 /PRNewswire/ -- PiE Design Systems Inc. announced today that it has acquired an exclusive license to one of the original patents issued in the field of logic emulation. The patent was granted in the late 1970s to Dr. Frank Manning, an engineering graduate student working on his Ph.D. thesis at the Massachusetts Institute of Technology (MIT). It remains in force today. According to experts in the fields of patent law and logic emulation, the invention covers first generation logic emulation concepts. The invention does not cover either PiE's products or technologies.
 PiE is currently seeking to add a claim of infringement of the Manning patent to its counterclaims previously brought against Quickturn. PiE has charged Quickturn with engaging in unfair business practices and antitrust violations and is currently seeking $8 million in damages. PiE will also seek damages stemming from infringement of the Manning patent. Glen Antle, chairman of PiE's board of directors, commented on PiE's position: "We continue to stand by our belief that the Mars II logic emulation system does not infringe the Quickturn patent. We intend to use this patent to defend our company against the unfounded lawsuit initiated by Quickturn. Our original intent when we formed the company was to focus exclusively on technology development; however, Quickturn's desire to resolve its dispute in the courts gives us little choice but to respond with an appropriate legal strategy."
 PiE's counterclaim will assert that Quickturn's products infringe the Manning patent. Antle commented further on the acquisition by emphasizing that "discovery of this patent puts to rest the myth promulgated by Quickturn that they invented emulation technology. The language used throughout the Manning patent clearly shows that concepts embodying emulation were invented over a decade ago. Furthermore, the patent unquestionably invalidates Quickturn's assertion that they have a monopoly on emulation technology, a position that they have taken repeatedly."
 Indeed, Manning, a true pioneer of emulation technology, further validated Antle's assessment. "My intent was to develop a technology that could configure and verify an array of identical reprogrammable devices from a few edge cells," he said. Manning continued, "the idea was to design a system that allows an array of reprogrammable devices to emulate any digital machine, within limits set by the size of the array, its number of input/output leads and the speed of its components."
 Filed prior to the commercial availability of the first programmable logic devices (PLDs), the Manning patent covers the idea of configuring an emulation system by establishing operating communication paths between selected programmable devices in an iterative array. PiE maintains that this is the same "near neighbor" interconnection method that the Quickturn products rely upon. Dr. Paul Huang, president and CEO of PiE, commented on the fact that PiE's Mars II logic emulation system is not covered by the Manning patent. "When we first designed our product, we studies the various methods for configuring a system comprising multiple reconfigurable devices. We concluded that achieving optimal configuration efficiency required the development of more advanced configuration methods than those commonly in use at the time. Our Mars II system uses a method to configure multiple programmable devices that significantly reduces the 'time to emulation' and dramatically improves design partitioning efficiency."
 PiE Design Systems Inc., located in Sunnyvale, is a privately held company that develops and manufactures logic emulation hardware and software systems for use by end-product system designers incorporating VLSI circuits in their designs.
 -0- 8/7/92
 /CONTACT: Glen Antle of PiE Design Systems, 408-738-8899; or Edwin Lee of LPR, 415-363-0142, for PiE Design Systems/ CO: PiE Design Systems; Quickturn ST: California IN: CPR SU:


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Date:Aug 7, 1992
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