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Posts Tagged: marine polymer technologies


Where the en banc decision gets particularly interesting (and adversarial) is with respect to the second question, namely when does “intervening rights” apply to reexamined claims? By a 6 to 4 vote, (and a reversal of the panel decision), a majority …

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On September 26, 2011, the a three-judge-panel of the United States Court of Appeals for the Federal Circuit issued a ruling in Marine Polymer Technologies, Inc. v. HemCon, Inc., which found intervening rights due to certain patent claims due to the …

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Companies accused of patent infringement are increasingly looking at patent reexamination at the Patent Office as an attractive avenue for challenging the patent’s validity. Reexamination offers a number of well-known advantages as a forum for such validity challenges …

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I like writing about esoteric patent law topics and the question of “intervening rights” in reexaminations/reissues is one of the more esoteric. See my 1998 JPTOS article entitledIntervening Rights: A Potential Hidden Trap for Reexamined Patent. The case of …

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Last week, on November 18, 2010, the United States Court of Appeals for the Federal Circuit granted a stay to HemCon, Inc., which will prevent implementation of the injunction issued against it and in favor of Marine Polymer Technologies, Inc. The …

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