Stop Copyists From Undercutting Your Innovation - Foley & Lardner ...
Stop Copyists From Undercutting Your Innovation - Foley & Lardner ...
Stop Copyists From Undercutting Your Innovation - Foley & Lardner ...
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Dongfang v. Jinling (cont.)<br />
Trial court: no infringement<br />
– The fastening component 5 is missing from the<br />
alleged infringing device<br />
– Did not consider doctrine of equivalents (DOE)<br />
Higher court: no infringement<br />
– DOE is not satisfied<br />
– Specification estopped the patentee from<br />
broadening the claims<br />
©2009 <strong>Foley</strong> & <strong>Lardner</strong> LLP<br />
Dongfang v. Jinling (cont.)<br />
Supreme Court: reversed<br />
– DOE is satisfied – if “basically the same” with<br />
respect to means, functions and goals<br />
– DOE is satisfied even if the alleged infringing<br />
product is inferior to the patented<br />
– The Court made note of the defendant’s<br />
inequitable conduct, but did not state whether it<br />
was a factor of consideration<br />
©2009 <strong>Foley</strong> & <strong>Lardner</strong> LLP<br />
47<br />
48<br />
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