UK Court Rules Prior Art After Priority Date Counts

Law360, New York (June 28, 2010, 4:51 PM EDT) -- A U.K. appeals court on Monday upheld a patent ruling that prior art published after the claimed priority date of a patent may be available for consideration and may be found to invalidate the patent, a decision that throws the validity of many patents into doubt.

Where a company files a priority document with a joint inventor who is a third party and the third party’s interest in the priority document has not been assigned to the company, the company will not be able claim priority...
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