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Home / Opinion Digests / Unexplained delay barred assertion of new infringement claims (access required)

Unexplained delay barred assertion of new infringement claims (access required)

A patent owner who brought a large number of infringement claims against a manufacturer was not permitted to amend its complaint to assert new claims after the manufacturer successfully challenged the claims before the Patent Trial and Appeal Board, or PTAB, because the new claims could have been asserted earlier in the proceeding and the ...