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1 vote
Accepted

Infringement under the Doctrine of Equivalents

I don’t think so. In your example a step is eliminated. That is nothing like substituting an equivalent step for a literal step. This a US view. There is a good Wikipedia entry on DOE that shows it is ...
George White's user avatar
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1 vote
Accepted

Ambiguously worded patent claim

"About" is found in many claims, including range claims like the one you point out. There is a very rich case law and commentary about "about". The first issue would be the meaning ...
George White's user avatar
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1 vote

Doctrine of Equivalents in Light of USPTO Pro Se Program

There is almost no application of the doctrine of equivalents any more so there is nothing valuable too lose, in current practice. See https://patentlyo.com/patent/2019/05/doctrine-equivalents-...
George White's user avatar
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1 vote

What is the difference between 'Dillon 892 F.2d 1554, (Fed. Cir. 1989)' & 'Dillon, 919 F.2d 688 (Fed. Cir 1990)'

The excerpt you quote is from a dissent in the 1990 case, not the majority opinion.
Ben Kleinman's user avatar

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