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Think Carefully When Filing Continuation Applications

By Jeffrey R. Kuester
May 29, 2009

While rule-making efforts by the U.S. Patent and Trademark Office (“USPTO”) to reduce patent continuation filings have an unclear future due to the decision on March 20, 2009, in Tafas v. Doll, No. 2008-1077, by the U.S. Court of Appeals for the Federal Circuit (“Federal Circuit”), other decisions by the Federal Circuit are clearly creating additional problems for continuation filings. The Federal Circuit is now imposing new hurdles for patent continuations that arise from remarks made during prosecution and from the written description and enablement requirements of 35 U.S.C. ' 112(1). Consequently, much greater care should now be taken when filing continuation applications.

Claim Scope Disclaimer Rescissions Now Often Necessary in Continuations

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