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October 14, 2017

In Jang v. Boston Sci. Corp., 2017 U.S. App. LEXIS 18825, the Federal Circuit revisited a decade-old controversy.  The case is a good opportunity to see the mechanics behind the ensnarement doctrine and a hypothetical claim analysis. 

The Fed. Circuit reviewed claim 1 of U.S. Patent No. 5,922,021, which recites:

1. A stent in a non-expanded state, comprising:

a first expansion strut pair including a first expansion strut positioned adjacent [*4]  to a second expansion strut and a joining strut of the first expansion strut pair th...

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