Arkema Can Add Patents To Honeywell Suit, Fed. Circ. Rules

Law360, New York (February 5, 2013, 8:03 PM EST) -- A lower court was wrong to bar Arkema Inc. from adding two patents to its declaratory judgment suit against Honeywell International Inc. over an automotive refrigerant, the Federal Circuit ruled Tuesday, finding that there is clearly a controversy between the parties over the patents.

Arkema had already filed suit seeking a ruling that it did not infringe another Honeywell patent when Honeywell obtained two more patents on methods of using the same chemical. Arkema sought to add them to the suit, but the district court said...
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