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Amersham Pharmacia Extends Patent Complaint

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LONDON--Amersham Pharmacia Biotech, jointly owned by Nycomed Amersham and Pharmacia and Upjohn, has extended its intellectual property action against Perkin-Elmer's Applied Biosystems Division to include Perkin-Elmer's new joint venture, Celera Genomics. The suit asserts infringement on Amersham's intellectual property in the area of energy transfer dyes, which Amersham said Perkin-Elmer launched several years after Amersham introduced Dyenamic ET dye primers. The new action is based on Celera's use of the dyes in connection with a new Perkin-Elmer Applied Biosystems sequencing instrument.

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