Patent Reissue after Eggert: Reclaiming the Ring

When considering a broadening reissue application, patent owners often confront a recurring issue: Can a limitation added or argued during prosecution of an original patent to gain allowance over prior art later be broadened during reissue? Recent developments in case law at the Federal Circuit Court of Appeals and U.S. Patent and Trademark Office ("USPTO") suggest a way to permissibly broaden such limitations through reissue and still avoid recapture. We call it reclaiming the ring.

16 minute readFebruary 25, 2005 at 08:23 AM
By
Michael Messinger
Lori Gordon
Patent Reissue after Eggert: Reclaiming the Ring

When considering a broadening reissue application, patent owners often confront a recurring issue: Can a limitation added or argued during prosecution of an original patent to gain allowance over prior

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