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Category Archives: Litigation
“Past Damages” and Reexamination for Mature Patents
An earlier post discussed the impact of amendments in reexamination, but there are some dynamics we should explore for “mature” patents. A mature patent is an old patent that is close to expiration. (For example, a patent that has less … Continue reading
In re Tanaka
Suppose you issued a patent with several claims, including dependent claims. Now, suppose you wished you had claimed and issued a certain dependent claim, but did not have it in the originally issued patent. That new dependent claim is narrower than your … Continue reading
Posted in Damages, Ex Parte Prosecution, Litigation, reexamination generally, Reissue
Tagged Bianchi, board of patent appeals, BPAI, claims, federal circuit, issued patent, patent, reissue, Tim Bianchi
3 Comments
The Effect of Amendment in Reexam on Past Damages
Generally speaking, patent claims that are confirmed in reexamination without substantive changes retain all of the damages they would have obtained as if there was no reexam. [Note that there are always exceptional situations. For example, there are patent cases where a … Continue reading
Posted in Damages, reexamination generally
Tagged Bianchi, claims, intervening rights, narrowing, patent litigation, reexam, reexamination, Tim Bianchi
1 Comment
Patent Prosecution in View of Reexamination
In my last post I introduced reexamination briefly. Once you understand that patent claims can be cancelled in a reexamination, it begs the question of how patent applications and claims can be drafted to survive reexamination. I have both good news and bad news. THE BAD NEWS … Continue reading
Introduction: Why all of the interest in reexamination?
How many times have you heard: “They got a patent on that! There’s nothing new about that. It’s been out there for years!”? For those versed in patent matters, that is not a surprising reaction to certain issued patents. The patent issuance procedure in … Continue reading